Mercedes-Benz G-Class MOT pass rate and common problems
85.4% of Mercedes-Benz G-Class models passed the 2024 MOT (based on 1,396 first tests): 82.9% at the first attempt and 2.5% after a fix at the test centre (PRS).About 1 in 5 failed the first attempt.For its age, it fails 33% less often than normal: MOT Risk Index 67.2 (95% CI 59.8–75.3; 100 = normal).
Mercedes-Benz G-Class at a glance, 2024 MOT
Measure
Value
Unit
Compared with
Years
Tests
MOT pass rate
85.4
%
incl. 2.5% fixed at the test centre
2024
1396
Passed at the first attempt
82.9
%
all first tests
2024
1396
MOT Risk Index (95% CI 59.8–75.3)
67.2
index
100 = normal for its age · rank 170 of 761 (1 = fails least for its age)
2024
1396
Biggest excess: Steering
6.0
per 100
2.0 same-age
2019–2024
5580
Dangerous defects
3.3
per 100
11.2 UK, not age-adjusted
2019–2024
5580
Advisory items
66.8
per 100
127.1 UK, not age-adjusted
2019–2024
5580
MOT Risk Index · Mercedes-Benz G-Class. 0–240; 100 = normal for its age; median model 92.8 · rank 170 of 761 (1 = fails least for its age). It would rank between 138 and 220 anywhere within its 95% interval, other models held where they are. DVSA, 2024.
Mercedes-Benz G-Class index position among 761 models
Data release dvsa-2024-v2 (24 Sep 2026) · full dataset (v5). This model's index changed from 50.6 to 67.2 in the 24 September 2026 release, after duplicate test records were removed.
What actually fails on a Mercedes-Benz G-Class MOT, and how often?
Mercedes-Benz G-Class MOTs fail most often on ‘lamps, reflectors and electrical equipment’: 10.7 per 100 tests, against 10.9 for UK cars of the same age (2019–2024, n = 5,580).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Lamps, reflectors and electrical equipment
10.7
per 100
10.9
2019–2024
596
Steering
6
per 100
2.0
2019–2024
336
Visibility
5.6
per 100
6.6
2019–2024
311
Brakes
5.4
per 100
8.1
2019–2024
304
Tyres
3.8
per 100
7.9
2019–2024
212
Suspension
2.5
per 100
9.4
2019–2024
140
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,580 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Tyres, brakes and suspension: how does the Mercedes-Benz G-Class compare with cars of the same age?
At every age shown, the Mercedes-Benz G-Class is at or below same-age cars of comparable models on tyres, brakes and suspension; for example suspension at age 6: 2.5 failures per 100 tests, against 3.7 (2019–2024, n = 826).
Tyres, age 6: 3.0 vs 5.5. Brakes, age 6: 1.9 vs 3.8. Suspension, age 6: 2.5 vs 3.7. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Tyres, age 6
3.0
per 100
5.5
2019–2024
826
Brakes, age 6
1.9
per 100
3.8
2019–2024
826
Suspension, age 6
2.5
per 100
3.7
2019–2024
826
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
My Mercedes-Benz G-Class got an MOT advisory: what gets flagged most?
Mercedes-Benz G-Class MOTs flag brakes most: 20.7 advisories per 100 tests, against 34.7 across UK tests (2019–2024, n = 5,580).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Brakes
20.7
per 100
34.7
2019–2024
1154
Tyres
19.4
per 100
39.7
2019–2024
1083
Suspension
6.9
per 100
26.2
2019–2024
385
Noise, emissions and leaks
5.7
per 100
5.2
2019–2024
316
Non-component advisories
4.8
per 100
7.8
2019–2024
267
Steering
4.1
per 100
1.8
2019–2024
230
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,580 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
What is likely to fail next on a Mercedes-Benz G-Class?
For Mercedes-Benz G-Class models aged 3 to 5 whose last MOT was a pass, the item most likely to fail at the next MOT is visibility: 4.0% failed on it (2019–2024, n = 1,175).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Lamps, reflectors and electrical equipment, under 3 years old, after a pass (rough estimate: 201 cars)
4.5
% next fail
2019–2024
201
Tyres, under 3 years old, after a pass (rough estimate: 201 cars)
4.0
% next fail
2019–2024
201
Visibility, under 3 years old, after a pass (rough estimate: 201 cars)
3.5
% next fail
2019–2024
201
Visibility, 3 to 5 years old, after a pass
4
% next fail
2019–2024
1175
Lamps, reflectors and electrical equipment, 3 to 5 years old, after a pass
2.8
% next fail
2019–2024
1175
Tyres, 3 to 5 years old, after a pass
2.7
% next fail
2019–2024
1175
Steering, 3 to 5 years old, after a pass
2.1
% next fail
2019–2024
1175
Suspension, 3 to 5 years old, after a pass
1.6
% next fail
2019–2024
1175
Full table
Further values · 2019–2024
Measure
Value
Unit
Compared with
Years
Tests
Brakes, 3 to 5 years old, after a pass
1.4
% next fail
2019–2024
1175
Noise, emissions and leaks, 3 to 5 years old, after a pass
0.8
% next fail
2019–2024
1175
Identification of the vehicle, 3 to 5 years old, after a pass
0.7
% next fail
2019–2024
1175
Body, chassis, structure, 3 to 5 years old, after a pass
0.5
% next fail
2019–2024
1175
Lamps, reflectors and electrical equipment, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
6.0
% next fail
2019–2024
283
Visibility, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
6.0
% next fail
2019–2024
283
Tyres, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
5.7
% next fail
2019–2024
283
Suspension, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
3.9
% next fail
2019–2024
283
Brakes, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
3.2
% next fail
2019–2024
283
Steering, 3 to 5 years old, after an advisory (rough estimate: 283 cars)
2.5
% next fail
2019–2024
283
Visibility, 3 to 5 years old, after a fail (rough estimate: 206 cars)
5.3
% next fail
2019–2024
206
Suspension, 3 to 5 years old, after a fail (rough estimate: 206 cars)
4.4
% next fail
2019–2024
206
Lamps, reflectors and electrical equipment, 3 to 5 years old, after a fail (rough estimate: 206 cars)
3.4
% next fail
2019–2024
206
Tyres, 3 to 5 years old, after a fail (rough estimate: 206 cars)
2.9
% next fail
2019–2024
206
Identification of the vehicle, 3 to 5 years old, after a fail (rough estimate: 206 cars)
2.4
% next fail
2019–2024
206
Steering, 3 to 5 years old, after a fail (rough estimate: 206 cars)
2.4
% next fail
2019–2024
206
Visibility, 6 to 8 years old, after a pass
4
% next fail
2019–2024
725
Lamps, reflectors and electrical equipment, 6 to 8 years old, after a pass
3.5
% next fail
2019–2024
725
Steering, 6 to 8 years old, after a pass
3.2
% next fail
2019–2024
725
Brakes, 6 to 8 years old, after a pass
2.1
% next fail
2019–2024
725
Tyres, 6 to 8 years old, after a pass
1.9
% next fail
2019–2024
725
Suspension, 6 to 8 years old, after a pass
1.8
% next fail
2019–2024
725
Noise, emissions and leaks, 6 to 8 years old, after a pass
1.4
% next fail
2019–2024
725
Identification of the vehicle, 6 to 8 years old, after a pass
1.1
% next fail
2019–2024
725
Lamps, reflectors and electrical equipment, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
8.1
% next fail
2019–2024
248
Brakes, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
7.3
% next fail
2019–2024
248
Visibility, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
6.0
% next fail
2019–2024
248
Tyres, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
5.7
% next fail
2019–2024
248
Suspension, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
5.2
% next fail
2019–2024
248
Steering, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
4.4
% next fail
2019–2024
248
Noise, emissions and leaks, 6 to 8 years old, after an advisory (rough estimate: 248 cars)
2.8
% next fail
2019–2024
248
Lamps, reflectors and electrical equipment, 6 to 8 years old, after a fail (rough estimate: 211 cars)
6.2
% next fail
2019–2024
211
Visibility, 6 to 8 years old, after a fail (rough estimate: 211 cars)
6.2
% next fail
2019–2024
211
Brakes, 6 to 8 years old, after a fail (rough estimate: 211 cars)
4.7
% next fail
2019–2024
211
Steering, 6 to 8 years old, after a fail (rough estimate: 211 cars)
3.8
% next fail
2019–2024
211
Noise, emissions and leaks, 6 to 8 years old, after a fail (rough estimate: 211 cars)
2.8
% next fail
2019–2024
211
Suspension, 6 to 8 years old, after a fail (rough estimate: 211 cars)
2.4
% next fail
2019–2024
211
Lamps, reflectors and electrical equipment, 9 to 11 years old, after a pass (rough estimate: 271 cars)
5.2
% next fail
2019–2024
271
Steering, 9 to 11 years old, after a pass (rough estimate: 271 cars)
3.7
% next fail
2019–2024
271
Noise, emissions and leaks, 9 to 11 years old, after a pass (rough estimate: 271 cars)
3.3
% next fail
2019–2024
271
Brakes, 9 to 11 years old, after a pass (rough estimate: 271 cars)
2.6
% next fail
2019–2024
271
Visibility, 9 to 11 years old, after a pass (rough estimate: 271 cars)
2.6
% next fail
2019–2024
271
Tyres, 9 to 11 years old, after a pass (rough estimate: 271 cars)
1.8
% next fail
2019–2024
271
Lamps, reflectors and electrical equipment, 9 to 11 years old, after an advisory (rough estimate: 89 cars)
18.0
% next fail
2019–2024
89
Brakes, 9 to 11 years old, after an advisory (rough estimate: 89 cars)
6.7
% next fail
2019–2024
89
Noise, emissions and leaks, 9 to 11 years old, after an advisory (rough estimate: 89 cars)
6.7
% next fail
2019–2024
89
Steering, 9 to 11 years old, after an advisory (rough estimate: 89 cars)
6.7
% next fail
2019–2024
89
Brakes, 9 to 11 years old, after a fail (rough estimate: 97 cars)
7.2
% next fail
2019–2024
97
Visibility, 9 to 11 years old, after a fail (rough estimate: 97 cars)
7.2
% next fail
2019–2024
97
Steering, 9 to 11 years old, after a fail (rough estimate: 97 cars)
6.2
% next fail
2019–2024
97
Lamps, reflectors and electrical equipment, 9 to 11 years old, after a fail (rough estimate: 97 cars)
5.1
% next fail
2019–2024
97
Noise, emissions and leaks, 9 to 11 years old, after a fail (rough estimate: 97 cars)
5.1
% next fail
2019–2024
97
Steering, 20 years or older, after a pass (rough estimate: 108 cars)
9.3
% next fail
2019–2024
108
Brakes, 20 years or older, after a pass (rough estimate: 108 cars)
8.3
% next fail
2019–2024
108
Lamps, reflectors and electrical equipment, 20 years or older, after a pass (rough estimate: 108 cars)
8.3
% next fail
2019–2024
108
Noise, emissions and leaks, 20 years or older, after a pass (rough estimate: 108 cars)
5.6
% next fail
2019–2024
108
Visibility, 20 years or older, after a pass (rough estimate: 108 cars)
4.6
% next fail
2019–2024
108
Lamps, reflectors and electrical equipment, 20 years or older, after an advisory (rough estimate: 61 cars)
24.6
% next fail
2019–2024
61
Visibility, 20 years or older, after an advisory (rough estimate: 61 cars)
16.4
% next fail
2019–2024
61
Brakes, 20 years or older, after an advisory (rough estimate: 61 cars)
11.5
% next fail
2019–2024
61
Steering, 20 years or older, after an advisory (rough estimate: 61 cars)
11.5
% next fail
2019–2024
61
Noise, emissions and leaks, 20 years or older, after an advisory (rough estimate: 61 cars)
9.8
% next fail
2019–2024
61
Suspension, 20 years or older, after an advisory (rough estimate: 61 cars)
8.2
% next fail
2019–2024
61
Lamps, reflectors and electrical equipment, 20 years or older, after a fail (rough estimate: 76 cars)
18.4
% next fail
2019–2024
76
Steering, 20 years or older, after a fail (rough estimate: 76 cars)
17.1
% next fail
2019–2024
76
Visibility, 20 years or older, after a fail (rough estimate: 76 cars)
9.2
% next fail
2019–2024
76
Brakes, 20 years or older, after a fail (rough estimate: 76 cars)
7.9
% next fail
2019–2024
76
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How often does a Mercedes-Benz G-Class get a dangerous MOT defect?
The Mercedes-Benz G-Class gets a dangerous defect less often than the UK average: 3.3 per 100 first tests against 11.2 across the UK. In the same tests, 28.1 major and 8.6 minor defects were recorded per 100 tests (one test can record several).
Dangerous defects: 3.3 vs 11.2. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Dangerous defects
3.3
per 100
11.2
2019–2024
5580
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,580 (initial tests) · Method: one initial test per test_id; severity not recorded for some 2018–2021 tests · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Will my Mercedes-Benz G-Class still pass its MOT in a few years?
First-time MOT failures for the Mercedes-Benz G-Class go from 8.4% at age 5 (rough estimate: 83 tests, 95% interval 4.2–16.4%) to 14.0% at age 13 (rough estimate: 43 tests, 95% interval 6.6–27.3%), against 38.2% for all cars aged 13 (rough estimate: 43 tests, 95% interval 6.6–27.3%) (2024, n = 1,396).
Age 5 (rough estim: 8.4. Age 13 (rough esti: 14.0. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 5 (rough estimate: 83 tests, 95% interval 4.2–16.4%)
8.4
% failed first time
15.1
2024
83
Age 6 (rough estimate: 258 tests, 95% interval 8.9–17.0%)
12.4
% failed first time
17.5
2024
258
Age 7 (rough estimate: 229 tests, 95% interval 14.6–24.8%)
19.2
% failed first time
20.2
2024
229
Age 8 (rough estimate: 165 tests, 95% interval 10.5–21.4%)
15.2
% failed first time
23.3
2024
165
Age 9 (rough estimate: 146 tests, 95% interval 16.0–29.3%)
21.9
% failed first time
26.5
2024
146
Age 10 (rough estimate: 115 tests, 95% interval 10.8–24.4%)
16.5
% failed first time
30.1
2024
115
Age 11 (rough estimate: 110 tests, 95% interval 11.3–25.4%)
17.3
% failed first time
33.2
2024
110
Age 12 (rough estimate: 56 tests, 95% interval 11.3–31.8%)
19.6
% failed first time
35.7
2024
56
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
Age 13 (rough estimate: 43 tests, 95% interval 6.6–27.3%)
14.0
% failed first time
38.2
2024
43
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How does the Mercedes-Benz G-Class compare with cars of its own age and size?
At 1 of 9 ages shown, Mercedes-Benz G-Class models fail first time more often than comparable models of the same size class; the biggest difference is at age 10, where they fail less often: 16.0% against 25.6% (2024, n = 319).
Age 3: 9.1. Age 11: 22.5. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 3
9.1
% fail
10.8
2024
385
Age 4
13.2
% fail
12.3
2024
605
Age 5
10.8
% fail
14.2
2024
710
Age 6
13.9
% fail
16.1
2024
826
Age 7
16.8
% fail
18.3
2024
666
Age 8
14.7
% fail
20.5
2024
536
Age 9
22.0
% fail
23.1
2024
437
Age 10
16.0
% fail
25.6
2024
319
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
Age 11
22.5
% fail
28.2
2024
227
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How much does it cost to fix a Mercedes-Benz G-Class MOT fail?
Expected repair cost per Mercedes-Benz G-Class MOT: about £31 (up to about £59 if more expensive parts are needed), from the chance of failing each item and its most common UK repair price (catalogue estimate, n = 1,396).
Computed, not measured.
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (price catalogue)
Measure
Value
Unit
Compared with
Years
Tests
Expected repair bill
31
GBP estimate
modal price catalogue
price catalogue
1396
Estimated range lower
31
GBP estimate
modal price catalogue
price catalogue
1396
Estimated range upper
58.9
GBP estimate
modal price catalogue
price catalogue
1396
Lamps, reflectors and electrical equipment: Battery replacement (standard 12V lead-acid)
15.0
GBP expected contribution
140
price catalogue
1396
Brakes: Front brake pads (parts + labour, typical hatchback)
8.1
GBP expected contribution
150
price catalogue
1396
Suspension: Suspension coil spring (single corner)
4.5
GBP expected contribution
180
price catalogue
1396
Tyres: Tyre (single mid-range 16" fitted)
3.4
GBP expected contribution
90
price catalogue
1396
Source: DVSA MOT bulk data · Window: price catalogue · n = 1,396 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Is the Mercedes-Benz G-Class more reliable than similar cars?
Of 8 similar models, 6 fail less often for their age than the Mercedes-Benz G-Class and 2 as often or more. The Mercedes-Benz G-Class has an MOT Risk Index of 67.2, where 100 = normal for its age (2024, n = 1,396).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Mercedes-Benz G-Class (this model)
67.2
index
100 = normal
2024
1396
Mercedes-Benz G
60.4
index
67.2
2024
1523
Mercedes-Benz GL
61.5
index
67.2
2024
3626
Mercedes-Benz R-Class
78.7
index
67.2
2024
2065
Mercedes-Benz GLS
78.1
index
67.2
2024
2759
Mercedes-Benz CL
54.8
index
67.2
2024
3060
Audi S5
59.6
index
67.2
2024
1944
Nissan 350Z
66.5
index
67.2
2024
5215
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
Audi Q8
62.4
index
67.2
2024
4285
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How many miles does a Mercedes-Benz G-Class normally do?
Mercedes-Benz G-Class: Age 5 median (rough estimate) is 39905 miles (2024).
Age 5 median (roug: 39905. Age 13 median (rou: 63688. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 5 median (rough estimate)
39905
miles
2024
83
Age 5 P25 (rough estimate)
28784
miles
2024
83
Age 5 P75 (rough estimate)
44900
miles
2024
83
Age 6 median (rough estimate)
38862
miles
2024
258
Age 6 P25 (rough estimate)
27878
miles
2024
258
Age 6 P75 (rough estimate)
50849
miles
2024
258
Age 7 median (rough estimate)
39433
miles
2024
229
Age 7 P25 (rough estimate)
30271
miles
2024
229
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
Age 7 P75 (rough estimate)
53705
miles
2024
229
Age 8 median (rough estimate)
47110
miles
2024
165
Age 8 P25 (rough estimate)
36489
miles
2024
165
Age 8 P75 (rough estimate)
66104
miles
2024
165
Age 9 median (rough estimate)
51148
miles
2024
146
Age 9 P25 (rough estimate)
37973
miles
2024
146
Age 9 P75 (rough estimate)
65702
miles
2024
146
Age 10 median (rough estimate)
55979
miles
2024
115
Age 10 P25 (rough estimate)
43752
miles
2024
115
Age 10 P75 (rough estimate)
66732
miles
2024
115
Age 11 median (rough estimate)
69167
miles
2024
110
Age 11 P25 (rough estimate)
46600
miles
2024
110
Age 11 P75 (rough estimate)
85859
miles
2024
110
Age 12 median (rough estimate)
71112
miles
2024
56
Age 13 median (rough estimate)
63688
miles
2024
43
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Does high mileage mean more Mercedes-Benz G-Class MOT failures at the same age?
At ages 6–9, 13.6% of Mercedes-Benz G-Class models with under 40,000 miles failed first time, against 22.6% of those with 70,000 to 100,000 miles (2024, n = 438). No clear mileage gap inside this age group, among cars still being tested.
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 6–9, <40k miles (rough estimate: 354 tests, 95% interval 10.4–17.5%)
13.6
% failed first time
2024
354
Age 6–9, 40-70k miles (rough estimate: 347 tests, 95% interval 14.7–22.9%)
18.4
% failed first time
2024
347
Age 6–9, 70-100k miles (rough estimate: 84 tests, 95% interval 15–32.6%)
22.6
% failed first time
2024
84
Age 10–14, <40k miles (rough estimate: 74 tests, 95% interval 9.5–26.2%)
16.2
% failed first time
2024
74
Age 10–14, 40-70k miles (rough estimate: 127 tests, 95% interval 9.2–21.3%)
14.2
% failed first time
2024
127
Age 10–14, 70-100k miles (rough estimate: 93 tests, 95% interval 10–24.9%)
16.1
% failed first time
2024
93
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How many miles does a Mercedes-Benz G-Class last?
6.5% of Mercedes-Benz G-Class models tested had reached 100,000 miles, and 1.8% had reached 150,000 (2024, n = 360).
100,000 miles (rou: 6.5. 200,000 miles (rou: 0.5. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
100,000 miles (rough estimate: 360 tests, 95% interval 5.8–7.1%)
6.5
% of tested cars
2024
360
150,000 miles (rough estimate: 102 tests, 95% interval 1.5–2.2%)
1.8
% of tested cars
2024
102
200,000 miles (rough estimate: 30 tests, 95% interval 0.4–0.8%)
0.5
% of tested cars
2024
30
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Is the Mercedes-Benz G-Class driven more or less than average, and does that change the picture?
Matched on annual mileage as well as age, the Mercedes-Benz G-Class index is 72.4, against 65.3 on age alone (2019–2024, n = 1,396).
Age and mileage adjusted index: 65.3 vs 72.4. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Age and mileage adjusted index
72.4
index
65.3
2019–2024
1396
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Which Mercedes-Benz G-Class engine is best?
For its age, the best Mercedes-Benz G-Class engine is the petrol over 2.0 litre at index 91.4, and the worst the diesel over 2.0 litre at 111.5, where 100 = the model's own average (2024, n = 1,396).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Petrol over 2.0 litre (rough estimate: 3,211 tests, 95% interval 84.0–99.5)
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Where in Britain does the Mercedes-Benz G-Class fail its MOT most?
Mercedes-Benz G-Class fails first-time MOTs most in Hemel Hempstead (HP): 30.6% against 16.0% across Britain for this model, both 2019–2024 (2024, n = 121).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Sheffield (S) (rough estimate: 113 tests, 95% interval 6.8–18.7%)
11.5
% fail first time
17.1
2024
113
London NW (NW) (rough estimate: 274 tests, 95% interval 7.8–15.2%)
10.9
% fail first time
17.1
2024
274
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Does a Mercedes-Benz G-Class rust more than average?
Allowing for age, Mercedes-Benz G-Class MOTs record corrosion failures at 0.5 times the national rate: 0.41% of tests against 0.77% (2024 + geographic layers, n = 1,344).
Computed, not measured.
Salt belt susceptibility: 1 vs 0.5. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024 + geographic layers)
Measure
Value
Unit
Compared with
Years
Tests
Salt belt susceptibility
0.5
ratio estimate
1
2024 + geographic layers
1344
Source: DVSA MOT bulk data · Window: 2024 + geographic layers · n = 1,396 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Is a Mercedes-Benz G-Class ULEZ compliant?
An estimated 77.9% of Mercedes-Benz G-Class models tested are likely ULEZ-compliant, judged from fuel type and first-use date; check a specific car with TfL's vehicle checker (2024).
Computed, not measured.
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Likely compliant
77.9
% estimate
2024
1396
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
What do six years of MOTs show about owning a Mercedes-Benz G-Class?
Of failed Mercedes-Benz G-Class MOTs, 25.4% were retested the same day and a further 67.7% within 10 days; the median failed car passed its retest after 1 day (2019–2024, n = 567).
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Same-day retest
25.4
%
failed initial tests
2019–2024
567
Retest within 10 days
67.7
%
failed initial tests
2019–2024
567
Clean MOT streak
52.8
%
observed chains
2019–2024
1309
Repeat advisory
5.7
%
observed chains
2019–2024
1309
Decreasing odometer
4.0
% mileage anomaly
observed chains
2019–2024
1433
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Is low mileage better for a Mercedes-Benz G-Class?
Mercedes-Benz G-Class models aged 5 to 11 doing under 5,000 miles a year failed first time in 12.2% of tests, against 16.6% for those doing 8,000 to 12,000 miles (2019–2024, n = 1,347).
Low-use first-time failure: 12.2 vs 16.6. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Low-use first-time failure
12.2
%
16.6
2019–2024
1347
Low-use gap
-4.4
percentage points
8–12k miles
2019–2024
1347
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How many years is a Mercedes-Benz G-Class likely to last?
Mercedes-Benz G-Class models aged 5 are forecast to keep taking MOTs for at least 3.2 more years; the survival curve is observed only until age 8, so the true figure is likely higher.
Computed, not measured.
Forecast, not a prediction for a particular car.
DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (survival forecast)
Measure
Value
Unit
Compared with
Years
Tests
Age 5 (at least; observed only until age 8)
3.2
years forecast
survival forecast
0
Age 8 (at least; observed only until age 8)
0.5
years forecast
survival forecast
0
Source: DVSA MOT bulk data · Window: survival forecast · n = 1,396 (initial tests) · Method: computed estimate, not measured · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Which Mercedes-Benz G-Class models are still on the road?
In 2024, for every 100 Mercedes-Benz G-Class models tested at ages 4 to 6, about 75 were tested at age 8 (2024, n = 536).
Age 3: 53.9. Age 13 (rough esti: 9.7. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 3
53.9
% of age 4–6 baseline
2024
385
Age 4
84.8
% of age 4–6 baseline
2024
605
Age 5
99.5
% of age 4–6 baseline
2024
710
Age 6 (at least as many as at ages 4–6)
100
% of age 4–6 baseline
2024
826
Age 7
93.3
% of age 4–6 baseline
2024
666
Age 8
75.1
% of age 4–6 baseline
2024
536
Age 9
61.2
% of age 4–6 baseline
2024
437
Age 10
44.7
% of age 4–6 baseline
2024
319
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
Age 11
31.8
% of age 4–6 baseline
2024
227
Age 12 (rough estimate: 126 tests, 95% interval 13.2–26.8%)
17.7
% of age 4–6 baseline
2024
126
Age 13 (rough estimate: 69 tests, 95% interval 9.1–26.3%)
9.7
% of age 4–6 baseline
2024
69
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Mercedes-Benz G-Class fails, does it fail again?
21.2% of Mercedes-Benz G-Class models that failed an MOT failed the next one too, against 15% after a pass (2019–2024, n = 250). The failure most likely to come back is ‘lamps, reflectors and electrical equipment’: 16.2% of those fails recurred at the next MOT.
Repeat after fail: 21.2 vs 15. DVSA MOT bulk data, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (2019–2024)
Measure
Value
Unit
Compared with
Years
Tests
Repeat after fail
21.2
%
15
2019–2024
250
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Which Mercedes-Benz G-Class faults come together?
On Mercedes-Benz G-Class models, ‘lamps, reflectors and electrical equipment’ and ‘noise, emissions and leaks’ failures turn up together 7.6 times as often as chance would predict (2024, n = 48).
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Lamps, reflectors and electrical equipment + Noise, emissions and leaks (rough estimate: 48 tests, 95% interval 5.6–10.1)
Brakes + Suspension (seen together; too few for a multiplier)
19
tests with both
2024
19
Lamps, reflectors and electrical equipment + Seat belts and supplementary restraint systems (seen together; too few for a multiplier)
15
tests with both
2024
15
Body, chassis, structure + Brakes (seen together; too few for a multiplier)
13
tests with both
2024
13
Noise, emissions and leaks + Suspension (seen together; too few for a multiplier)
13
tests with both
2024
13
Steering + Tyres (seen together; too few for a multiplier)
13
tests with both
2024
13
Body, chassis, structure + Noise, emissions and leaks (seen together; too few for a multiplier)
11
tests with both
2024
11
Brakes + Seat belts and supplementary restraint systems (seen together; too few for a multiplier)
10
tests with both
2024
10
Body, chassis, structure + Visibility (seen together; too few for a multiplier)
10
tests with both
2024
10
Identification of the vehicle + Visibility (seen together; too few for a multiplier)
10
tests with both
2024
10
Body, chassis, structure + Suspension (seen together; too few for a multiplier)
9
tests with both
2024
9
Noise, emissions and leaks + Tyres (seen together; too few for a multiplier)
9
tests with both
2024
9
Suspension + Tyres (seen together; too few for a multiplier)
9
tests with both
2024
9
Body, chassis, structure + Steering (seen together; too few for a multiplier)
8
tests with both
2024
8
Identification of the vehicle + Noise, emissions and leaks (seen together; too few for a multiplier)
6
tests with both
2024
6
Seat belts and supplementary restraint systems + Visibility (seen together; too few for a multiplier)
6
tests with both
2024
6
Noise, emissions and leaks + Seat belts and supplementary restraint systems (seen together; too few for a multiplier)
5
tests with both
2024
5
Identification of the vehicle + Tyres (seen together; too few for a multiplier)
5
tests with both
2024
5
Identification of the vehicle + Steering (seen together; too few for a multiplier)
5
tests with both
2024
5
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Has the Mercedes-Benz G-Class had safety recalls?
DVSA lists 39 safety recall campaigns matched to the Mercedes-Benz G-Class; check whether yours has been fixed, using its registration number.
Mercedes-Benz G-Class: the numbers behind this answer (DVSA register)
Measure
Value
Unit
Compared with
Years
Tests
DVSA recall campaigns matched
39
campaigns
DVSA register
DVSA register
1396
Source: DVSA register; recall effect covers 11 of 761 models · Window: DVSA register · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
What does a Mercedes-Benz G-Class cost to run in a fleet?
Of every 100 Mercedes-Benz G-Class models tested at age 6, about 12 failed the MOT first time (rough estimate); at age 10, about 17 (rough estimate). These are one-year rates for different cars tested in the same year, not a fleet followed over time (2024).
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
Age 6 (rough estimate: 258 tests, 95% interval 8.9–17.0%)
12.4
% fail first time
2024
258
Age 7 (rough estimate: 229 tests, 95% interval 14.6–24.8%)
19.2
% fail first time
2024
229
Age 8 (rough estimate: 165 tests, 95% interval 10.5–21.4%)
15.2
% fail first time
2024
165
Age 9 (rough estimate: 146 tests, 95% interval 16.0–29.3%)
21.9
% fail first time
2024
146
Age 10 (rough estimate: 115 tests, 95% interval 10.8–24.4%)
16.5
% fail first time
2024
115
Age 11 (rough estimate: 110 tests, 95% interval 11.3–25.4%)
17.3
% fail first time
2024
110
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
What have dealers been told about the Mercedes-Benz G-Class? (US market)
NHTSA lists 254 US technical service bulletins for the Mercedes-Benz G-Class (US market, Mercedes-Benz G-CLASS, model years 2015–2022 only); a count, not a UK failure rate.
NHTSA, US market, Mercedes-Benz G-CLASS, model years 2015–2022 only; covers 211 of 761 models, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (NHTSA)
Measure
Value
Unit
Compared with
Years
Tests
US service bulletins
254
bulletins
NHTSA
NHTSA
1396
Year 2013
6
bulletins
NHTSA
NHTSA
1396
Year 2014
6
bulletins
NHTSA
NHTSA
1396
Year 2015
2
bulletins
NHTSA
NHTSA
1396
Year 2016
5
bulletins
NHTSA
NHTSA
1396
Year 2017
2
bulletins
NHTSA
NHTSA
1396
Year 2018
2
bulletins
NHTSA
NHTSA
1396
Year 2019
12
bulletins
NHTSA
NHTSA
1396
Full table
Further values · NHTSA
Measure
Value
Unit
Compared with
Years
Tests
Year 2020
22
bulletins
NHTSA
NHTSA
1396
Year 2021
18
bulletins
NHTSA
NHTSA
1396
Year 2022
17
bulletins
NHTSA
NHTSA
1396
Year 2023
15
bulletins
NHTSA
NHTSA
1396
Year 2024
37
bulletins
NHTSA
NHTSA
1396
Year 2025
45
bulletins
NHTSA
NHTSA
1396
Year 2026
65
bulletins
NHTSA
NHTSA
1396
Source: NHTSA, US market, Mercedes-Benz G-CLASS, model years 2015–2022 only; covers 211 of 761 models · Window: NHTSA · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
What do owners complain about? (US market)
The most common US owner complaint about the Mercedes-Benz G-Class to NHTSA concerns lamps & electrical: 7 complaints (US market, Mercedes-Benz G-CLASS, model years 2015–2022 only).
NHTSA, US market, Mercedes-Benz G-CLASS, model years 2015–2022 only; covers 211 of 761 models, 24 Sep 2026.
Mercedes-Benz G-Class: the numbers behind this answer (NHTSA + 2024)
Measure
Value
Unit
Compared with
Years
Tests
Lamps & electrical
7
complaints
NHTSA + 2024
7
Engine (not MOT-tested)
5
complaints
NHTSA + 2024
5
Brakes
3
complaints
NHTSA + 2024
3
Restraints
2
complaints
NHTSA + 2024
2
Visibility
2
complaints
NHTSA + 2024
2
Suspension
2
complaints
NHTSA + 2024
2
Source: NHTSA, US market, Mercedes-Benz G-CLASS, model years 2015–2022 only; covers 211 of 761 models · Window: NHTSA + 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Does the month of a Mercedes-Benz G-Class MOT matter?
Mercedes-Benz G-Class models fail first time most in June (19.2%, against 28.1% for all cars that month) and least in December (13.7%) (2024, n = 1,396).
Mercedes-Benz G-Class: the numbers behind this answer (2024)
Measure
Value
Unit
Compared with
Years
Tests
January
15.6
% fail first time
31.1
2024
597
February
16.3
% fail first time
30.0
2024
508
March
15.1
% fail first time
28.3
2024
531
April
15
% fail first time
29.8
2024
420
May
18.6
% fail first time
28.8
2024
382
June
19.2
% fail first time
28.1
2024
416
July
13.9
% fail first time
29.3
2024
359
August
14.9
% fail first time
29.2
2024
369
Full table
Further values · 2024
Measure
Value
Unit
Compared with
Years
Tests
September
17.4
% fail first time
28.2
2024
449
October
15.3
% fail first time
30.3
2024
537
November
16.9
% fail first time
30.6
2024
552
December
13.7
% fail first time
29.3
2024
460
Source: DVSA MOT bulk data · Window: 2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
Not enough tests for… (and why)
Will my Mercedes-Benz G-Class's advisory become a fail at the next MOT?
n < 500 in this group. 1,396 initial Mercedes-Benz G-Class tests are in the published model cohort; this measure needs a qualifying group of at least 500 tests.
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,396 (initial tests) · Method: one initial test per test_id · Updated: 24 Sep 2026 · Release: dvsa-2024-v2 · CSV
How the MOT Risk Index and every figure on this page are calculated: methodology.
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Mercedes-Benz G-Class MOT: quick answers
What is the Mercedes-Benz G-Class first-time MOT pass rate?
82.9% of first attempts passed in 2024 (1,396 tests). Retests after repair are excluded; cars fixed at the test centre (PRS) are shown separately.
Why does this number differ from other sites?
Other sites may count retests or all attempts. This page uses 1,396 primary tests: 17.12% failed first time and 85.4% passed when cars fixed at the test centre (PRS) count as passes. The age-adjusted MOT Risk Index 67.2 is shown separately.
