Mercedes-Benz A-Class MOT Failure Rate — 15+ Years Old

43.3%
MOT failure rate for 15+-year-old Mercedes-Benz A-Class vehicles
Based on 71,815 MOT tests
15.3pp above the UK average (28%)

This model shows significant deterioration in this age bracket, with a 43.3% failure rate. Pre-MOT inspection strongly recommended, especially for lamps & electrics.

Component Risk Breakdown (15+ Years)

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

Lamps & Electrics 11.3%
Suspension 8.7%
Brakes 7.4%
Visibility 5.8%
Body & Chassis 4.4%
Tyres 3.6%
Steering 0.7%

How Does This Compare?

Mercedes-Benz A-Class MOT failure rate across all age groups:

Age Failure Rate Tests Worst Area
0-2 years 9.9% 135,059 Tyres
3-5 years 12.4% 558,870 Tyres
6-10 years 21.5% 532,267 Tyres
11-15 years 34.7% 149,326 Lamps & Electrics
15+ years 43.3% 71,815 Lamps & Electrics

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Frequently Asked Questions

Is a 15+ year old Mercedes-Benz A-Class reliable?

15+-year-old Mercedes-Benz A-Class vehicles have a 43.3% failure rate, which is above average. Consider a pre-MOT inspection, particularly checking lamps & electrics.

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

The most common MOT failure areas at this age are:

  • Lamps & Electrics — 11.3% failure risk
  • Suspension — 8.7% failure risk
  • Brakes — 7.4% failure risk

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

For a 15+-year-old Mercedes-Benz A-Class, focus on: (1) Lamps & Electrics — 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 A-Class 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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