Mercedes Benz GT MOT failures and reliability
In 2023 the Mercedes Benz GT took 1,322 MOT tests in Britain and passed 92% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 1,322
- First-time pass rate
- 92%
- All cars
- 71%
What the GT fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Tyres3.9% (all cars 6.4%)
- Number plates and VIN1.2% (all cars 0.4%)
- Lights and electrics1.0% (all cars 11.3%)
- Exhaust and emissions0.7% (all cars 3.1%)
- Visibility0.4% (all cars 4.8%)
- Wheels0.4% (all cars 0.4%)
- Body and structure0.4% (all cars 3.5%)
- Suspension0.3% (all cars 9.0%)
Most common failure items
Share of tests on which each item was recorded.
- Tyres, condition: has ply or cords exposed 1.8%
- Tread depth: tread depth below requirements of 1.6mm 1.3%
- Registration plates: does not conform to the specified requirements 1.0%
- Tyres, condition: has a cut in excess of the requirements deep enough to reach the ply or cords 0.8%
- Headlamp aim: too high 0.4%
- Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits 0.3%
- Wipers: does not clear the windscreen effectively 0.3%
- Catalytic converter: missing where one was fitted as standard 0.2%
Most common advisories
- Tread depth: worn close to legal limit/worn on edge 10.1%
- Tyres, condition: slightly damaged/cracking or perishing 3.3%
- Brake pads: wearing thin 1.5%
- Non-component advisories: Nail in tyre 1.1%
- Tyres, condition: slightly damaged 0.8%
- Tyres, condition: has a cut but not deep enough to reach the ply or cords 0.7%
- Brake discs: worn, pitted or scored, but not seriously weakened 0.4%
- Engine oil leaks: leak, but not excessive 0.3%
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 4 years | 15,232 miles |
| 5 years | 15,139 miles |
| 6 years | 18,659 miles |
| 7 years | 26,177 miles |
| 8 years | 26,580 miles |
Check a particular GT
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Mercedes Benz models
- Mercedes Benz C Class
- Mercedes Benz A Class
- Mercedes Benz E Class
- Mercedes Benz Vito
- Mercedes Benz GLA
- Mercedes Benz GLC
- Mercedes Benz B Class
- Mercedes Benz SLK
- Mercedes Benz CLA
- Mercedes Benz ML
- Mercedes Benz CLK
- Mercedes Benz S Class
- Mercedes Benz GLE
- Mercedes Benz CLS
- Mercedes Benz Sprinter
- Mercedes Benz SL
- Mercedes Benz Citan
- Mercedes Benz V Class
- Mercedes Benz CLC
- Mercedes Benz SLC
- Mercedes Benz Viano
- Mercedes Benz GL
- Mercedes Benz X Class
- Mercedes Benz CL
- Mercedes Benz 190
- Mercedes Benz 300
- Mercedes Benz GLS
- Mercedes Benz R Class
- Mercedes Benz A 200
- Mercedes Benz G Class
- Mercedes Benz C 320
- Mercedes Benz 500
- Mercedes Benz 280
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.