2006 Mercedes-Benz CLS · 5,667 MOT tests
2006 Mercedes-Benz CLS reliability
2006 Mercedes-Benz CLSs fail 29.3% of first MOT tests, 34% fewer MOT fails than the average car its age and mileage, ranking 3 of 15 CLS years (5,667 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz CLSs: 24%)
- 29.3%
- first-time fail rate (all Mercedes-Benz CLSs: 24%)
- fails than cars of the same age and mileage
- 34% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 17
- 117,368
- typical miles at its MOT, aged about 17
- MOT tests, 2022 to 2024
- 5,667
- MOT tests, 2022 to 2024
Year on year
2006 against the years either side
- 2005 cars: 35% fewer MOT fails than the average car its age (the 2006 car does worse)
- 2007 cars: 25% fewer MOT fails than the average car its age (the 2006 car does better)
- Weak spot: wheels, 1.8% of tests fail here (180% above cars of the same age and mileage).
- Strong point: body, chassis and structure, 78% 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 CLS
Fail rate by area
- Suspension11.9%
- Brakes8.8%
- Lights and electrics8.5%
- Tyres8.5%
- Exhaust, emissions and leaks4.3%
- Steering3.2%
- Windscreen, wipers and mirrors2.8%
Average for cars of the same age and mileage
Top failures
Suspension ball joint excessively worn 4.55%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Rigid brake pipe excessively corroded 2.96%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Tyre tread below 1.6mm 2.86%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre ply or cords exposed 2.65%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Track rod end ball joint excessively worn 1.96%
Worn steering ball joints can affect steering control and safety, so repair is needed before the car is driven.
Coil spring fractured or broken 1.92%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Common advisories
Tyre worn close to legal limit (17.22%) · Brake pipes corroded and greasy (15.97%) · Engine oil leak, not excessive (11.21%) · Brake disc pitted or scored (7.46%) · Suspension ball joint slight play (7.09%) · Brake pads wearing thin (6.55%)
Other years
Every Mercedes-Benz CLS year
The full picture: Mercedes-Benz CLS reliability. Before you pay for any Mercedes-Benz CLS, 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 CLS reliable?
2006 Mercedes-Benz CLSs fail 29.3% of first MOT tests, 34% fewer MOT fails than the average car its age and mileage, ranking 3 of 15 CLS years (5,667 DVSA tests, 2022 to 2024).
What fails on a 2006 Mercedes-Benz CLS MOT?
Most often suspension ball joint excessively worn (4.55% of tests), rigid brake pipe excessively corroded (2.96% of tests), tyre tread below 1.6mm (2.86% of tests).
How many miles should a 2006 Mercedes-Benz CLS have done?
At its MOT aged about 17, a typical 2006 Mercedes-Benz CLS shows 117,368 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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