2005 Mercedes-Benz A-Class · 12,334 MOT tests
2005 Mercedes-Benz A-Class reliability
2005 Mercedes-Benz A-Classs fail 41.7% of first MOT tests, about average for its age and mileage, ranking 15 of 22 A-Class years (12,334 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz A-Classs: 20.6%)
- 41.7%
- first-time fail rate (all Mercedes-Benz A-Classs: 20.6%)
- fails than cars of the same age and mileage
- 0% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 17
- 84,357
- typical miles at its MOT, aged about 17
- MOT tests, 2022 to 2024
- 12,334
- MOT tests, 2022 to 2024
Year on year
2005 against the years either side
- 2004 cars: 9% more MOT fails than the average car its age (the 2005 car does better)
- 2006 cars: about average for its age (the 2005 car does worse)
- Weak spot: windscreen, wipers and mirrors, 10.7% of tests fail here (45% above cars of the same age and mileage).
- Strong point: steering, 46% fewer fails than comparable cars.
- Plates: a 2005 car carries a 54 plate (January–February 2005), or a 05 plate (March–August 2005), or a 55 plate (September–December 2005).
Common problems
What fails on a 2005 Mercedes-Benz A-Class
Fail rate by area
- Lights and electrics18.9%
- Suspension11.8%
- Brakes10.7%
- Windscreen, wipers and mirrors10.7%
- Body, chassis and structure10.5%
- Exhaust, emissions and leaks6.1%
- Tyres6%
Average for cars of the same age and mileage
Top failures
CV joint boot split or insecure 7.22%
A split CV boot lets dirt in and grease out, so the joint wears and may need full replacement.
Coil spring fractured or broken 5.45%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Stop lamp not working 4.74%
A failed stop lamp means drivers behind cannot see when you brake, a safety risk that must be fixed.
Windscreen washer fluid insufficient 4.53%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Headlamp beam pattern obviously incorrect 4.07%
A wrongly shaped beam can dazzle other drivers and reduce your own view of the road, so the lamps need correcting.
Suspension ball joint excessively worn 2.67%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Common advisories
Tyre worn close to legal limit (14.67%) · Brake pipes corroded and greasy (12.15%) · Tyre slightly damaged or cracking (10.93%) · Brake disc pitted or scored (10.69%) · Flexible brake hose slightly deteriorated (7.24%) · Brake pads wearing thin (6.91%)
Other years
Every Mercedes-Benz A-Class year
The full picture: Mercedes-Benz A-Class reliability. Before you pay for any Mercedes-Benz A-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 2005 Mercedes-Benz A-Class reliable?
2005 Mercedes-Benz A-Classs fail 41.7% of first MOT tests, about average for its age and mileage, ranking 15 of 22 A-Class years (12,334 DVSA tests, 2022 to 2024).
What fails on a 2005 Mercedes-Benz A-Class MOT?
Most often cv joint boot split or insecure (7.22% of tests), coil spring fractured or broken (5.45% of tests), stop lamp not working (4.74% of tests).
How many miles should a 2005 Mercedes-Benz A-Class have done?
At its MOT aged about 17, a typical 2005 Mercedes-Benz A-Class shows 84,357 miles. Much higher or lower is worth asking about.
What plate is a 2005 car?
A car first registered in 2005 carries a 54 plate (January–February 2005), or a 05 plate (March–August 2005), or a 55 plate (September–December 2005).
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