Mercedes-Benz CLS MOT Failure Rate — 15+ Years Old

30.2%
MOT failure rate for 15+-year-old Mercedes-Benz CLS vehicles
Based on 12,425 MOT tests
2.2pp above the UK average (28%)

This model shows significant deterioration in this age bracket, with a 30.2% failure rate. Pre-MOT inspection strongly recommended, especially for suspension.

Component Risk Breakdown (15+ Years)

Which parts of a 15+-year-old Mercedes-Benz CLS are most likely to cause an MOT failure:

Suspension 6.2%
Lamps & Electrics 5.2%
Tyres 4.8%
Brakes 4.0%
Steering 1.8%
Visibility 1.6%
Body & Chassis 1.0%

How Does This Compare?

Mercedes-Benz CLS MOT failure rate across all age groups:

Age Failure Rate Tests Worst Area
0-2 years 15.1% 1,704 Tyres
3-5 years 14.8% 15,768 Tyres
6-10 years 20.6% 47,662 Tyres
11-15 years 30.6% 32,136 Suspension
15+ years 30.2% 12,425 Suspension

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Frequently Asked Questions

Is a 15+ year old Mercedes-Benz CLS reliable?

15+-year-old Mercedes-Benz CLS vehicles have a 30.2% failure rate, which is above average. Consider a pre-MOT inspection, particularly checking suspension.

What are the common MOT failures on a 15+ year old Mercedes-Benz CLS?

The most common MOT failure areas at this age are:

  • Suspension — 6.2% failure risk
  • Lamps & Electrics — 5.2% failure risk
  • Tyres — 4.8% failure risk

How can I prepare my Mercedes-Benz CLS for its MOT?

For a 15+-year-old Mercedes-Benz CLS, focus on: (1) Suspension — the most common failure area at this age. (2) Check all lights and bulbs. (3) Inspect tyres for tread depth and damage. (4) Consider a pre-MOT check at a local garage (£20–£40). You can also use our free prediction tool for a personalised risk breakdown.

Other Mercedes-Benz CLS Age Groups

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Data methodology: Failure rates are weighted averages across all mileage bands for the 15+-year age group, calculated from official DVSA MOT test records. Only combinations with 100+ tests are included. Data covers 142 million MOT tests across the UK.

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