2021 Mercedes-Benz Eqa 250 + — MOT failures & pass rate
Across 716 MOT tests analysed for the 2021 Mercedes-Benz Eqa 250 +, the most common recorded failure areas were tyres, visibility and suspension. Its pass rate of 90.5% was in line with the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 14.0% in the 60-90k group versus 7.7% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 8.0% | 57 |
| 2 | Visibility | 2.4% | 17 |
| 3 | Suspension | 0.4% | 3 |
| 4 | Body, structure & corrosion | 0.4% | 3 |
| 5 | Brakes | 0.4% | 3 |
| 6 | Lighting & signalling | 0.3% | 2 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Tread depth | 34 |
| 2 | Wipers | 20 |
| 3 | Linkage ball joints | 3 |
| 4 | Headlamp aim | 3 |
| 5 | Other body component | 2 |
| 6 | Tyre pressure monitoring system | 2 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 29.6% | 212 |
| 2 | Other defects | 6.4% | 46 |
| 3 | Visibility | 4.8% | 34 |
| 4 | Suspension | 2.0% | 14 |
| 5 | Brakes | 1.3% | 9 |
| 6 | Steering | 0.7% | 5 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 391 | 7.7% |
| 30-60k | 270 | 11.5% |
| 60-90k | 50 | 14.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 355 | 11.0% |
| 2025 | 348 | 8.3% |
What to check before buying a 2021 Eqa 250 +
Before buying a 2021 Mercedes-Benz Eqa 250 +, focus on the areas it most often fails on. Tyres accounted for 8.0% of tests for this year.
- Tyres (8.0% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Visibility (2.4% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Suspension (0.4% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2021 Mercedes-Benz Eqa 250 +s pass their MOT?
90.5% of the 716 2021 Mercedes-Benz Eqa 250 + MOT tests in this dataset passed — a 9.5% fail rate.
What is the most common MOT failure on a 2021 Mercedes-Benz Eqa 250 +?
Tyres, recorded in 8.0% of tests, followed by visibility (2.4%).
Does the 2021 Eqa 250 + get worse with mileage?
Its MOT fail rate rises from 7.7% in the 0-30k band to 14.0% in the 60-90k band.
Methodology & source. Based on 716 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.