Used car guide

2023 Mercedes-Benz EQC 400 AMG Line: common problems and what to check

What gets flagged at MOT on 2023 Mercedes-Benz EQC 400 AMG Lines, from 173 tests in 2025, plus known faults and what to look at before you buy one.

Small sample: only 173 of these were MOT tested in 2025, so treat the percentages as rough. The known faults below don't depend on it.

173MOT tests in 2025
87%pass first time (all 2023 cars: 92%)
9,600typical miles a year
2.5×the usual rate for tread depth

What stands out

Parts flagged at MOT more often on 2023 Mercedes-Benz EQC 400 AMG Lines than on all cars registered in 2023.

  • Tread depth2.5× usual
    Mercedes-Benz EQC 400 AMG Line
    24.3% All 2023 cars
    9.9%

    Failed outright at MOT: 0.6%, against 0.9% of all 2023 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.

By area

The share of 2023 Mercedes-Benz EQC 400 AMG Line MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    31% 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.

  • Wipers, windscreen and mirrors
    6% of testsRough price £15–£250

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

  • Brakes
    6% 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
    3% 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.

  • Seats and seatbelts
    2% 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.

Looking at a Mercedes-Benz EQC 400 AMG Line?

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

Other years

YearMOT testsMost flagged
20225,018Tyres 36%
20213,809Tyres 31%
20202,627Tyres 35%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2023 Mercedes-Benz EQC 400 AMG Lines registered in 2023. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score