Used car guide

2021 Mercedes-Benz EQA: common problems and MOT failures

What MOT testers find on the Mercedes-Benz EQA first registered in 2021: we looked at the 9,461 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

9,461MOTs of 2021 cars, done in 2023–2025
90%pass first time (all 2021 cars: 87%)
8,000typical miles a year
1.8×the usual rate for tyre condition

What goes wrong more than usual on a 2021 Mercedes-Benz EQA?

Parts flagged at MOT more often on the 2021 Mercedes-Benz EQA than on all cars registered in 2021.

  • Tyre condition1.8× usual
    Mercedes-Benz EQA
    18.3% All 2021 cars
    10.4%

    Failed outright at MOT: 5.8%, against 3.6% of all 2021 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.

Better than most

Brake discs: 0.8% here, against 6.1% of all 2021 cars.

Common 2021 Mercedes-Benz EQA MOT failures and advisories

The share of 2021 Mercedes-Benz EQA 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
    5% of testsRough price £15–£250

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

  • 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.

  • Seats and seatbelts
    2% of testsRough price £80–£250

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

  • Suspension
    2% 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.

  • Brakes
    1% 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.

Questions to ask the seller before buying a 2021 Mercedes-Benz EQA

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

  1. Any recent work on the tyre condition? (Flagged at MOT 1.8× as often on the 2021 Mercedes-Benz EQA as on other cars the same age.)
  2. Can I see the service history and receipts for any big jobs?

Looking at a Mercedes-Benz EQA?

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 EQA compared

YearMOT testsMost flagged
2026–Too new for MOT data
2025–Too new for MOT data
2024–Too new for MOT data
2023266Tyres 25%
20224,891Tyres 32%

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 EQA cars first registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score