2011 Mercedes-Benz C-Class · 75,604 MOT tests
2011 Mercedes-Benz C-Class reliability
2011 Mercedes-Benz C-Classs fail 30% of first MOT tests, 20% fewer MOT fails than the average car its age and mileage, ranking 9 of 25 C-Class years (75,604 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz C-Classs: 24%)
- 30%
- first-time fail rate (all Mercedes-Benz C-Classs: 24%)
- fails than cars of the same age and mileage
- 20% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 12
- 101,465
- typical miles at its MOT, aged about 12
- MOT tests, 2022 to 2024
- 75,604
- MOT tests, 2022 to 2024
Year on year
2011 against the years either side
- 2010 cars: 19% fewer MOT fails than the average car its age (the 2011 car does better)
- 2012 cars: 16% fewer MOT fails than the average car its age (the 2011 car does better)
- Weak spot: brakes, 10.5% of tests fail here (17% above cars of the same age and mileage).
- Strong point: body, chassis and structure, 77% fewer fails than comparable cars.
- Plates: a 2011 car carries a 60 plate (January–February 2011), or a 11 plate (March–August 2011), or a 61 plate (September–December 2011).
Common problems
What fails on a 2011 Mercedes-Benz C-Class
Fail rate by area
- Suspension13.2%
- Brakes10.5%
- Lights and electrics8.1%
- Tyres7.3%
- Exhaust, emissions and leaks3.7%
- Windscreen, wipers and mirrors1.9%
- Body, chassis and structure1.1%
Average for cars of the same age and mileage
Top failures
Suspension ball joint excessively worn 4.9%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Rigid brake pipe excessively corroded 3.36%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Tyre tread below 1.6mm 2.61%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Parking brake efficiency below minimum 1.98%
The parking brake holds the car less well than required, so it may roll on a slope and needs repair.
Anti-roll bar linkage dust cover unsealed 1.96%
A damaged dust cover lets dirt into the linkage joint, speeding wear and possibly needing a future repair.
Coil spring fractured or broken 1.59%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Common advisories
Brake pipes corroded and greasy (16.51%) · Tyre worn close to legal limit (14.96%) · Brake disc pitted or scored (7.45%) · Brake pads wearing thin (5.83%) · Engine oil leak, not excessive (5.57%) · Tyre slightly damaged or cracking (4.11%)
Other years
Every Mercedes-Benz C-Class year
The full picture: Mercedes-Benz C-Class reliability. Before you pay for any Mercedes-Benz C-Class, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2011 Mercedes-Benz C-Class reliable?
2011 Mercedes-Benz C-Classs fail 30% of first MOT tests, 20% fewer MOT fails than the average car its age and mileage, ranking 9 of 25 C-Class years (75,604 DVSA tests, 2022 to 2024).
What fails on a 2011 Mercedes-Benz C-Class MOT?
Most often suspension ball joint excessively worn (4.9% of tests), rigid brake pipe excessively corroded (3.36% of tests), tyre tread below 1.6mm (2.61% of tests).
How many miles should a 2011 Mercedes-Benz C-Class have done?
At its MOT aged about 12, a typical 2011 Mercedes-Benz C-Class shows 101,465 miles. Much higher or lower is worth asking about.
What plate is a 2011 car?
A car first registered in 2011 carries a 60 plate (January–February 2011), or a 11 plate (March–August 2011), or a 61 plate (September–December 2011).
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