1999 Mercedes-Benz CLK · 4,162 MOT tests
1999 Mercedes-Benz CLK reliability
1999 Mercedes-Benz CLKs fail 33.2% of first MOT tests, 13% fewer MOT fails than the average car its age and mileage, ranking 5 of 12 CLK years (4,162 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Mercedes-Benz CLKs: 36.7%)
- 33.2%
- first-time fail rate (all Mercedes-Benz CLKs: 36.7%)
- fails than cars of the same age and mileage
- 13% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 24
- 103,209
- typical miles at its MOT, aged about 24
- MOT tests, 2022 to 2024
- 4,162
- MOT tests, 2022 to 2024
Year on year
1999 against the years either side
- 1998 cars: about average for its age (the 1999 car does better)
- 2000 cars: 25% fewer MOT fails than the average car its age (the 1999 car does worse)
- Weak spot: tyres, 6.2% of tests fail here (33% above cars of the same age and mileage).
- Strong point: body, chassis and structure, 44% fewer fails than comparable cars.
Common problems
What fails on a 1999 Mercedes-Benz CLK
Fail rate by area
- Lights and electrics17.6%
- Brakes9.8%
- Suspension8.2%
- Tyres6.2%
- Windscreen, wipers and mirrors5.7%
- Body, chassis and structure5.4%
- Exhaust, emissions and leaks5.3%
Average for cars of the same age and mileage
Top failures
Headlamp beam pattern obviously incorrect 2.38%
A wrongly shaped beam can dazzle other drivers and reduce your own view of the road, so the lamps need correcting.
Wiper blade not clearing windscreen 2.09%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Stop lamp not working 1.97%
A failed stop lamp means drivers behind cannot see when you brake, a safety risk that must be fixed.
Position lamp not working 1.95%
A failed position lamp makes the car harder to see in poor light and is illegal, so it must be repaired.
Rigid brake pipe excessively corroded 1.85%
Badly corroded brake pipes can leak or fail, which can cause a loss of braking, so repair is urgent.
Airbag warning lamp shows fault 1.68%
A lit airbag warning means the airbag system may not deploy in a crash, so it needs diagnosing and repairing.
Common advisories
Brake pipes corroded and greasy (15.95%) · Tyre worn close to legal limit (10.55%) · Engine oil leak, not excessive (8.12%) · Brake disc pitted or scored (7.88%) · Wheel bearing slight play (7.16%) · Coil spring showing some corrosion (6.58%)
Other years
Every Mercedes-Benz CLK year
The full picture: Mercedes-Benz CLK reliability. Before you pay for any Mercedes-Benz CLK, 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 1999 Mercedes-Benz CLK reliable?
1999 Mercedes-Benz CLKs fail 33.2% of first MOT tests, 13% fewer MOT fails than the average car its age and mileage, ranking 5 of 12 CLK years (4,162 DVSA tests, 2022 to 2024).
What fails on a 1999 Mercedes-Benz CLK MOT?
Most often headlamp beam pattern obviously incorrect (2.38% of tests), wiper blade not clearing windscreen (2.09% of tests), stop lamp not working (1.97% of tests).
How many miles should a 1999 Mercedes-Benz CLK have done?
At its MOT aged about 24, a typical 1999 Mercedes-Benz CLK shows 103,209 miles. Much higher or lower is worth asking about.
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