Used car guide

2002 Mercedes-Benz CLK: common problems and MOT failures

What MOT testers find on the Mercedes-Benz CLK first registered in 2002: we looked at the 4,862 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

4,862MOTs of 2002 cars, done in 2023–2025
65%pass first time (all 2002 cars: 58%)
4,800typical miles a year
2.3×the usual rate for wheel bearings

What goes wrong more than usual on a 2002 Mercedes-Benz CLK?

Parts flagged at MOT more often on the 2002 Mercedes-Benz CLK than on all cars registered in 2002.

  • Wheel bearings2.3× usual
    Mercedes-Benz CLK
    8.8% All 2002 cars
    3.9%

    Failed outright at MOT: 0.8%, against 1.2% of all 2002 cars. The rest were advisories or minor defects.

    Rough price £120–£300 (one bearing) ClickMechanic

    At the viewing: Listen for a hum or growl that changes as you steer at speed.

  • Transmission oil leaks2.1× usual
    Mercedes-Benz CLK
    3.6% All 2002 cars
    1.7%

    Failed outright at MOT: 0.1%, against 0% of all 2002 cars. The rest were advisories or minor defects.

    Rough price £80–£600 our estimate

    At the viewing: Look under the engine and where the car is usually parked for fresh oil. Ask whether the leak has been looked at.

  • Anti-roll bar3.8× usual
    Mercedes-Benz CLK
    2.3% All 2002 cars
    0.6%

    Failed outright at MOT: 0%, against 0.1% of all 2002 cars. The rest were advisories or minor defects.

    Rough price £100–£280 (pair of drop links) Checkatrade

    At the viewing: Drive slowly over bumps and listen for a knock or rattle from the front. Worn anti-roll bar links are a cheap fix.

Better than most

Rust around suspension or steering mountings: 1.9% here, against 6.8% of all 2002 cars. Shock absorbers: 3% here, against 6.2% of all 2002 cars.

Common 2002 Mercedes-Benz CLK MOT failures and advisories

The share of 2002 Mercedes-Benz CLK MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    42% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Suspension
    38% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • Lights and electrics
    37% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Tyres
    32% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Oil and fluid leaks
    15% of testsRough price £80–£600

    At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

  • Wipers, windscreen and mirrors
    11% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

Questions to ask the seller before buying a 2002 Mercedes-Benz CLK

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. Any recent work on the wheel bearings? (Flagged at MOT 2.3× as often on the 2002 Mercedes-Benz CLK as on other cars the same age.)
  2. Any recent work on the transmission oil leaks? (Flagged at MOT 2.1× as often on the 2002 Mercedes-Benz CLK as on other cars the same age.)
  3. Any recent work on the anti-roll bar? (Flagged at MOT 3.8× as often on the 2002 Mercedes-Benz CLK as on other cars the same age.)
  4. Can I see the service history and receipts for any big jobs?

Looking at a Mercedes-Benz CLK?

Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.

Other years

Every year of the Mercedes-Benz CLK compared

YearMOT testsMost flagged
2010190Suspension 43%
20098,686Suspension 44%
20087,848Suspension 46%
200711,119Suspension 47%
20069,698Suspension 46%
200511,839Suspension 47%
200411,851Suspension 48%
20038,824Suspension 44%
20014,042Brakes 39%
20003,319Brakes 40%
19992,494Brakes 40%
1998686Suspension 40%
1997–Too few tests

Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Mercedes-Benz CLK cars first registered in 2002. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score