2010 Mercedes-Benz SLK · 7,582 MOT tests
2010 Mercedes-Benz SLK reliability
2010 Mercedes-Benz SLKs fail 28% of first MOT tests, 15% fewer MOT fails than the average car its age and mileage, ranking 17 of 20 SLK years (7,582 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz SLKs: 25.9%)
- 28%
- first-time fail rate (all Mercedes-Benz SLKs: 25.9%)
- fails than cars of the same age and mileage
- 15% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 13
- 59,750
- typical miles at its MOT, aged about 13
- MOT tests, 2022 to 2024
- 7,582
- MOT tests, 2022 to 2024
Year on year
2010 against the years either side
- 2009 cars: 17% fewer MOT fails than the average car its age (the 2010 car does worse)
- 2011 cars: 31% fewer MOT fails than the average car its age (the 2010 car does worse)
- Weak spot: suspension, 14% of tests fail here (20% above cars of the same age and mileage).
- Strong point: body, chassis and structure, 73% fewer fails than comparable cars.
- 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 SLK
Fail rate by area
- Suspension14%
- Lights and electrics8.1%
- Brakes6.3%
- Tyres5.9%
- Exhaust, emissions and leaks2.2%
- Windscreen, wipers and mirrors1.6%
- Body, chassis and structure1.1%
Average for cars of the same age and mileage
Top failures
Coil spring fractured or broken 6.96%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Suspension ball joint excessively worn 3.59%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Tyre tread below 1.6mm 1.86%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Rigid brake pipe excessively corroded 1.58%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Direction indicator wrong colour 1.56%
An indicator showing the wrong colour may confuse other drivers, so the lens or bulb should be replaced.
Parking brake efficiency below minimum 1.35%
The parking brake holds the car less well than required, so it may roll on a slope and needs repair.
Common advisories
Tyre worn close to legal limit (11.18%) · Brake pipes corroded and greasy (11.12%) · Brake disc pitted or scored (6.23%) · Tyre slightly damaged or cracking (6.07%) · Suspension arm pin/bush showing wear (4.8%) · Brake pads wearing thin (4.68%)
Other years
Every Mercedes-Benz SLK year
The full picture: Mercedes-Benz SLK reliability. Before you pay for any Mercedes-Benz SLK, 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 SLK reliable?
2010 Mercedes-Benz SLKs fail 28% of first MOT tests, 15% fewer MOT fails than the average car its age and mileage, ranking 17 of 20 SLK years (7,582 DVSA tests, 2022 to 2024).
What fails on a 2010 Mercedes-Benz SLK MOT?
Most often coil spring fractured or broken (6.96% of tests), suspension ball joint excessively worn (3.59% of tests), tyre tread below 1.6mm (1.86% of tests).
How many miles should a 2010 Mercedes-Benz SLK have done?
At its MOT aged about 13, a typical 2010 Mercedes-Benz SLK shows 59,750 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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