Used car guide

2022 Mercedes-Benz EQC 400 AMG Line Premium 4M: common problems and what to check

What gets flagged at MOT on 2022 Mercedes-Benz EQC 400 AMG Line Premium 4Ms, from 1,364 tests in 2025, plus known faults and what to look at before you buy one.

1,364MOT tests in 2025
80%pass first time (all 2022 cars: 89%)
9,400typical miles a year
1.7×the usual rate for tread depth

What stands out

Parts flagged at MOT more often on 2022 Mercedes-Benz EQC 400 AMG Line Premium 4Ms than on all cars registered in 2022.

  • Tread depth1.7× usual
    Mercedes-Benz EQC 400 AMG Line Premium 4M
    25.8% All 2022 cars
    14.8%

    Failed outright at MOT: 0.6%, against 1.2% of all 2022 cars. The rest were advisories or minor defects.

    Rough price £70–£150 our estimate

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

  • Tyre condition2× usual
    Mercedes-Benz EQC 400 AMG Line Premium 4M
    19.1% All 2022 cars
    9.6%

    Failed outright at MOT: 15.9%, against 3.8% of all 2022 cars. The rest were advisories or minor defects.

    Rough price £70–£150 our estimate

    At the viewing: Check the tread on all four tyres, including the inside edges. Uneven wear can point to tracking or suspension problems.

  • Ball joint10.7× usual
    Mercedes-Benz EQC 400 AMG Line Premium 4M
    4.3% All 2022 cars
    0.4%

    Failed outright at MOT: 1.1%, against 0.1% of all 2022 cars. The rest were advisories or minor defects.

    Rough price £60–£150 (one joint) ClickMechanic

    At the viewing: Listen for knocking over bumps and check the rubber boots behind the wheels aren't split.

Better than most

Brake discs: 2% here, against 4.6% of all 2022 cars.

By area

The share of 2022 Mercedes-Benz EQC 400 AMG Line Premium 4M MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    37% 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.

  • Brakes
    7% 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
    5% 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.

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

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

  • Seats and seatbelts
    3% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Lights and electrics
    2% of testsRough price £10–£80

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

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Other years

YearMOT testsMost flagged
2021955Tyres 31%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2022 Mercedes-Benz EQC 400 AMG Line Premium 4Ms registered in 2022. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score