MOT Risk Index.co.uk

Where in Britain does the Mercedes-Benz CLA fail its MOT most?

Across Britain, 17.8% of 260,294 initial MOT tests (first attempts) of the Mercedes-Benz CLA failed in 2019–2024. It fails most in Salisbury (SP): 25.7% against 17.7% elsewhere (+8.0 points). It does best in Blackburn (BB), −5.1 points. Area rates are not age-adjusted.

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Mercedes-Benz CLA MOT statistics · check a Mercedes-Benz CLA by registration

Mercedes-Benz CLA in every postcode area with 100+ tests

From the largest excess over the rest of Britain to the largest shortfall.

Mercedes-Benz CLA: first-time MOT failure by postcode area against the rest of Britain (2019–2024, not age-adjusted)
AreaFailed here, %Rest of Britain, %Difference, points95% intervalTests
Salisbury (SP)25.717.7+8.0+4.5 to +11.5610
Huddersfield (HD)24.017.7+6.3+3.9 to +8.71,221
Cambridge (CB)23.617.7+5.8+3.0 to +8.7882
Canterbury (CT)22.717.7+4.9+2.6 to +7.31,249
Dundee (DD)22.017.7+4.3+1.9 to +6.71,158
Kirkcaldy (KY)21.717.7+4.0+1.7 to +6.31,226
Bournemouth (BH)21.517.7+3.8+1.9 to +5.81,736
Brighton (BN)21.517.7+3.8+1.8 to +5.71,730
Darlington (DL)21.517.7+3.8+1.6 to +5.91,433
Perth (PH)21.517.7+3.7+0.2 to +7.2536
Watford (WD)21.417.7+3.7+1.4 to +6.01,218
Northampton (NN)21.317.7+3.6+2.2 to +5.13,178
Portsmouth (PO)21.417.7+3.6+1.9 to +5.32,230
Ipswich (IP)21.117.7+3.4+1.6 to +5.31,863
Guildford (GU)21.017.7+3.3+1.5 to +5.02,038
Aberdeen (AB)20.917.7+3.1+1.3 to +5.01,868
Bristol (BS)20.717.7+3.0+1.8 to +4.24,270
Paisley (PA)20.717.7+2.9+0.9 to +4.91,572
Exeter (EX)20.617.7+2.8+0.2 to +5.5889
Hull (HU)20.517.7+2.8+1.3 to +4.32,904
Falkirk (FK)20.217.7+2.4+0.4 to +4.41,571
Cardiff (CF)20.117.7+2.4+1.2 to +3.64,418
Medway (ME)20.017.7+2.2+0.7 to +3.82,583
Stockport (SK)20.017.7+2.2+1.0 to +3.53,843
Wigan (WN)19.817.7+2.1+0.1 to +4.01,614
Redhill (RH)19.617.7+1.9−0.1 to +3.91,510
Edinburgh (EH)19.517.7+1.8+0.4 to +3.23,105
Cleveland (TS)19.417.7+1.7+0.5 to +2.94,060
Crewe (CW)19.417.7+1.6−0.3 to +3.61,600
Liverpool (L)19.417.7+1.6+0.5 to +2.74,976
Gloucester (GL)19.317.7+1.6−0.3 to +3.41,709
Walsall (WS)19.317.7+1.6−0.1 to +3.22,254
Chester (CH)19.217.7+1.5+0.1 to +2.93,019
St Albans (AL)19.217.7+1.5−1.5 to +4.5681
Norwich (NR)19.217.7+1.4−0.3 to +3.21,986
Taunton (TA)19.217.7+1.4−1.5 to +4.4678
Dorchester (DT)19.117.8+1.3−3.1 to +5.7304 (rough estimate)
Plymouth (PL)19.117.7+1.3−0.9 to +3.51,228
Colchester (CO)19.017.7+1.3−0.8 to +3.31,383
Swansea (SA)19.017.7+1.2−0.3 to +2.72,683
Motherwell (ML)19.017.7+1.2−0.3 to +2.82,451
Llandudno (LL)18.817.7+1.0−0.9 to +2.91,620
Chelmsford (CM)18.717.7+1.0−0.3 to +2.33,630
Tonbridge (TN)18.717.7+0.9−0.8 to +2.71,921
Glasgow (G)18.717.7+0.9+0.1 to +1.87,696
Preston (PR)18.617.7+0.9−0.5 to +2.32,993
Telford (TF)18.417.8+0.6−2.4 to +3.5665
Croydon (CR)18.317.7+0.6−0.9 to +2.12,551
Bath (BA)18.317.8+0.5−1.7 to +2.81,133
Dartford (DA)18.317.7+0.5−1.0 to +2.02,536
Worcester (WR)18.217.8+0.5−2.1 to +3.0873
Southampton (SO)18.217.7+0.5−1.1 to +2.02,439
Warrington (WA)18.117.7+0.3−0.8 to +1.54,194
Kilmarnock (KA)18.017.8+0.2−1.5 to +2.01,873
Derby (DE)17.917.8+0.2−1.0 to +1.43,802
London SW (SW)17.917.8+0.2−1.9 to +2.31,310
Blackpool (FY)17.917.8+0.1−1.9 to +2.11,414
York (YO)17.817.8+0.1−1.7 to +1.91,756
Hemel Hempstead (HP)17.617.8−0.1−1.7 to +1.52,219
London SE (SE)17.617.8−0.2−1.4 to +1.03,816
Milton Keynes (MK)17.617.8−0.2−1.6 to +1.23,009
Stoke-on-Trent (ST)17.417.8−0.3−1.7 to +1.12,895
Sunderland (SR)17.417.8−0.3−2.2 to +1.51,658
Newport (NP)17.417.8−0.4−2.2 to +1.51,650
Torquay (TQ)17.417.8−0.4−4.5 to +3.8322 (rough estimate)
Reading (RG)17.417.8−0.4−1.8 to +1.02,892
Ilford (IG)17.317.8−0.4−2.0 to +1.12,403
Dudley (DY)17.317.8−0.5−2.3 to +1.41,619
Leicester (LE)17.117.8−0.6−1.8 to +0.54,128
Oxford (OX)17.117.8−0.6−2.3 to +1.11,910
London NW (NW)17.117.8−0.7−1.9 to +0.63,537
Coventry (CV)17.117.8−0.7−1.9 to +0.63,444
Stevenage (SG)16.917.8−0.8−2.4 to +0.82,112
Newcastle (NE)16.917.8−0.8−1.9 to +0.25,152
Romford (RM)16.817.8−1.0−2.2 to +0.33,372
Durham (DH)16.717.8−1.0−3.2 to +1.21,118
Swindon (SN)16.717.8−1.0−2.9 to +0.91,507
Doncaster (DN)16.617.8−1.2−2.2 to −0.14,701
Harrogate (HG)16.617.8−1.2−4.0 to +1.7658
London N (N)16.617.8−1.2−2.7 to +0.32,393
Hereford (HR)16.417.8−1.3−6.1 to +3.5231 (rough estimate)
Lincoln (LN)16.417.8−1.3−3.6 to +0.91,029
Bolton (BL)16.417.8−1.3−2.6 to −0.13,664
Wolverhampton (WV)16.417.8−1.4−3.0 to +0.22,038
Southend-on-Sea (SS)16.417.8−1.4−2.9 to +0.12,381
Carlisle (CA)16.317.8−1.4−3.6 to +0.71,145
Manchester (M)16.217.8−1.6−2.6 to −0.65,582
Bradford (BD)16.217.8−1.6−3.2 to −0.02,095
Leeds (LS)16.217.8−1.6−2.8 to −0.43,519
Birmingham (B)16.017.8−1.8−2.6 to −1.18,487
Sheffield (S)15.917.8−1.9−2.8 to −1.06,242
Halifax (HX)15.817.8−2.0−4.8 to +0.8647
Inverness (IV)15.717.8−2.1−4.9 to +0.7651
Oldham (OL)15.617.8−2.1−3.6 to −0.62,278
Bromley (BR)15.617.8−2.2−4.5 to +0.2891
Wakefield (WF)15.617.8−2.2−3.5 to −0.93,005
Twickenham (TW)15.617.8−2.2−3.7 to −0.72,139
Peterborough (PE)15.617.8−2.2−3.3 to −1.24,517
London W (W)15.317.8−2.4−5.0 to +0.2756
Lancaster (LA)15.117.8−2.7−5.0 to −0.3874
Sutton (SM)15.117.8−2.7−5.7 to +0.4531
Uxbridge (UB)15.017.8−2.7−4.2 to −1.22,214
Slough (SL)15.017.8−2.8−4.5 to −1.11,726
London E (E)15.017.8−2.8−4.0 to −1.63,595
Galashiels (TD)14.717.8−3.0−7.1 to +1.1285 (rough estimate)
Enfield (EN)14.817.8−3.0−4.6 to −1.52,033
Luton (LU)14.717.8−3.0−4.5 to −1.62,199
Dumfries (DG)14.117.8−3.6−7.6 to +0.3297 (rough estimate)
Shrewsbury (SY)14.017.8−3.8−6.1 to −1.5895
Kingston upon Thames (KT)13.917.8−3.9−5.4 to −2.31,954
Harrow (HA)13.517.8−4.3−5.8 to −2.81,987
Truro (TR)13.317.8−4.4−7.7 to −1.1405 (rough estimate)
Nottingham (NG)13.117.9−4.8−5.6 to −4.06,867
Blackburn (BB)12.717.8−5.1−6.4 to −3.82,543

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 260,294 (initial tests) · Method: postcode area of the testing station against the same model's tests elsewhere in Britain, difference of two proportions with a 95% interval; named at 3+ points with the interval clear of zero; not age-adjusted · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Other pages for this model

Mercedes-Benz CLA 2013 · Mercedes-Benz CLA 2014 · Mercedes-Benz CLA 2015 · Mercedes-Benz CLA 2016 · Mercedes-Benz CLA 2017 · Mercedes-Benz CLA 2018 · Mercedes-Benz CLA 2019 · Mercedes-Benz CLA 2020 · Mercedes-Benz CLA in Norway · Mercedes-Benz CLA in Finland · Mercedes-Benz CLA in the Netherlands · Mercedes-Benz CLA body, chassis and structure failures · Mercedes-Benz CLA brakes failures · Mercedes-Benz CLA vehicle identification failures · Mercedes-Benz CLA lamps, reflectors and electrics failures · Mercedes-Benz CLA noise, emissions and leaks failures · Mercedes-Benz CLA road wheels failures · Mercedes-Benz CLA seat belts and airbags failures · Mercedes-Benz CLA steering failures · Mercedes-Benz CLA suspension failures · Mercedes-Benz CLA tyres failures · Mercedes-Benz CLA visibility failures