Does the Mercedes-Benz CL fail the MOT on body, chassis and structure more than it should?

The Mercedes-Benz CL records 2.77 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 12.86 expected for a car of the same age mix: less than expected for its class and age (−10.09, 95% interval −10.66 to −9.53). It ranks 627 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a Mercedes-Benz CL by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the Mercedes-Benz CL is “A transmission shaft constant velocity joint boot severely deteriorated”, recorded 92 times in 2019–2024.

Mercedes-Benz CL: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
A transmission shaft constant velocity joint boot severely deteriorated	92	0.60
Exhaust system leaking or insecure	70	0.45
Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced	66	0.43
A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc	52	0.34
Body, cab or chassis excessively corroded at a mounting point	36	0.23

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 15,400 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

Does the Mercedes-Benz CL fail the MOT on body, chassis and structure more than it should?

What exactly fails on body, chassis and structure?

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