2006 Mercedes-Benz B-Class · 8,412 MOT tests
2006 Mercedes-Benz B-Class reliability
2006 Mercedes-Benz B-Classs fail 44% of first MOT tests, about average for its age and mileage, ranking 11 of 16 B-Class years (8,412 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz B-Classs: 26.5%)
- 44%
- first-time fail rate (all Mercedes-Benz B-Classs: 26.5%)
- fails than cars of the same age and mileage
- 2% more
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 17
- 98,591
- typical miles at its MOT, aged about 17
- MOT tests, 2022 to 2024
- 8,412
- MOT tests, 2022 to 2024
Year on year
2006 against the years either side
- 2005 cars: about average for its age (the 2006 car does worse)
- 2007 cars: 3% more MOT fails than the average car its age (the 2006 car does better)
- Weak spot: wheels, 1.4% of tests fail here (161% above cars of the same age and mileage).
- Strong point: steering, 55% fewer fails than comparable cars.
- Plates: a 2006 car carries a 55 plate (January–February 2006), or a 06 plate (March–August 2006), or a 56 plate (September–December 2006).
Common problems
What fails on a 2006 Mercedes-Benz B-Class
Fail rate by area
- Lights and electrics18.9%
- Brakes15.3%
- Suspension14.7%
- Body, chassis and structure13.4%
- Windscreen, wipers and mirrors9.6%
- Tyres6.6%
- Exhaust, emissions and leaks6.5%
Average for cars of the same age and mileage
Top failures
CV joint boot split or insecure 8.95%
A split CV boot lets dirt in and grease out, so the joint wears and may need full replacement.
Coil spring fractured or broken 5.74%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Windscreen washer fluid insufficient 4.03%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Suspension ball joint excessively worn 3.99%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Stop lamp not working 3.93%
A failed stop lamp means drivers behind cannot see when you brake, a safety risk that must be fixed.
Rigid brake pipe excessively corroded 3.1%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Common advisories
Brake pipes corroded and greasy (17.55%) · Tyre worn close to legal limit (13.74%) · Brake disc pitted or scored (11.91%) · Tyre slightly damaged or cracking (10%) · Brake pads wearing thin (7.33%) · Coil spring showing some corrosion (6.74%)
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 2006 Mercedes-Benz B-Class reliable?
2006 Mercedes-Benz B-Classs fail 44% of first MOT tests, about average for its age and mileage, ranking 11 of 16 B-Class years (8,412 DVSA tests, 2022 to 2024).
What fails on a 2006 Mercedes-Benz B-Class MOT?
Most often cv joint boot split or insecure (8.95% of tests), coil spring fractured or broken (5.74% of tests), windscreen washer fluid insufficient (4.03% of tests).
How many miles should a 2006 Mercedes-Benz B-Class have done?
At its MOT aged about 17, a typical 2006 Mercedes-Benz B-Class shows 98,591 miles. Much higher or lower is worth asking about.
What plate is a 2006 car?
A car first registered in 2006 carries a 55 plate (January–February 2006), or a 06 plate (March–August 2006), or a 56 plate (September–December 2006).
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