2010 Mercedes-Benz B-Class · 16,163 MOT tests
2010 Mercedes-Benz B-Class reliability
2010 Mercedes-Benz B-Classs fail 39.5% of first MOT tests, 6% more MOT fails than the average car its age and mileage, ranking 15 of 16 B-Class years (16,163 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz B-Classs: 26.5%)
- 39.5%
- first-time fail rate (all Mercedes-Benz B-Classs: 26.5%)
- fails than cars of the same age and mileage
- 6% more
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 13
- 82,425
- typical miles at its MOT, aged about 13
- MOT tests, 2022 to 2024
- 16,163
- MOT tests, 2022 to 2024
Year on year
2010 against the years either side
- 2009 cars: 3% more MOT fails than the average car its age (the 2010 car does worse)
- 2011 cars: 11% more MOT fails than the average car its age (the 2010 car does better)
- Weak spot: seat belts and airbags, 1.5% of tests fail here (35% above cars of the same age and mileage).
- Plates: a 2010 car carries a 59 plate (January–February 2010), or a 10 plate (March–August 2010), or a 60 plate (September–December 2010).
Common problems
What fails on a 2010 Mercedes-Benz B-Class
Fail rate by area
- Lights and electrics18.3%
- Suspension14.1%
- Brakes11.7%
- Tyres6.8%
- Body, chassis and structure6.4%
- Windscreen, wipers and mirrors6.1%
- Exhaust, emissions and leaks4.9%
Average for cars of the same age and mileage
Top failures
Side repeater not working 4.22%
A failed side repeater means other road users cannot see your intended direction change, which is dangerous and must be fixed.
Coil spring fractured or broken 4.14%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
CV joint boot split or insecure 3.75%
A split CV boot lets dirt in and grease out, so the joint wears and may need full replacement.
Suspension ball joint excessively worn 3.41%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Rigid brake pipe excessively corroded 3.38%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Dipped beam headlamp not working 3.1%
A failed dipped beam makes it hard to see and be seen at night, so the lamp needs fixing before driving.
Common advisories
Brake pipes corroded and greasy (15.2%) · Tyre worn close to legal limit (12.62%) · Brake disc pitted or scored (10.58%) · Tyre slightly damaged or cracking (9.89%) · Brake pads wearing thin (6.32%) · Slight play in steering rack joints (4.29%)
Other years
Every Mercedes-Benz B-Class year
The full picture: Mercedes-Benz B-Class reliability. Before you pay for any Mercedes-Benz B-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 2010 Mercedes-Benz B-Class reliable?
2010 Mercedes-Benz B-Classs fail 39.5% of first MOT tests, 6% more MOT fails than the average car its age and mileage, ranking 15 of 16 B-Class years (16,163 DVSA tests, 2022 to 2024).
What fails on a 2010 Mercedes-Benz B-Class MOT?
Most often side repeater not working (4.22% of tests), coil spring fractured or broken (4.14% of tests), cv joint boot split or insecure (3.75% of tests).
How many miles should a 2010 Mercedes-Benz B-Class have done?
At its MOT aged about 13, a typical 2010 Mercedes-Benz B-Class shows 82,425 miles. Much higher or lower is worth asking about.
What plate is a 2010 car?
A car first registered in 2010 carries a 59 plate (January–February 2010), or a 10 plate (March–August 2010), or a 60 plate (September–December 2010).
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