2021 Mercedes-Benz Vito 110 Progressive Cdi — MOT failures & pass rate
Across 1,496 MOT tests analysed for the 2021 Mercedes-Benz Vito 110 Progressive Cdi, the most common recorded failure areas were lighting & signalling, tyres and visibility. Its pass rate of 78.5% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 32.6% in the 150k+ group versus 15.3% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.5% | 142 |
| 2 | Tyres | 8.4% | 126 |
| 3 | Visibility | 8.4% | 126 |
| 4 | Brakes | 7.6% | 114 |
| 5 | Emissions & environmental | 4.5% | 67 |
| 6 | Suspension | 2.9% | 43 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 97 |
| 2 | Headlamp aim | 66 |
| 3 | Malfunction indicator lamp | 62 |
| 4 | Headlamp | 55 |
| 5 | Brake pads | 51 |
| 6 | Tyre pressure monitoring system | 42 |
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 | 18.3% | 274 |
| 2 | Brakes | 17.8% | 266 |
| 3 | Suspension | 10.2% | 152 |
| 4 | Visibility | 9.2% | 138 |
| 5 | Other defects | 5.7% | 85 |
| 6 | Emissions & environmental | 4.7% | 70 |
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 | 137 | 15.3% |
| 30-60k | 504 | 18.4% |
| 60-90k | 458 | 22.7% |
| 90-120k | 238 | 22.7% |
| 120-150k | 113 | 31.0% |
| 150k+ | 46 | 32.6% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 738 | 21.3% |
| 2025 | 741 | 22.0% |
What to check before buying a 2021 Vito 110 Progressive Cdi
Before buying a 2021 Mercedes-Benz Vito 110 Progressive Cdi, focus on the areas it most often fails on. Lighting & signalling accounted for 9.5% of tests for this year.
- Lighting & signalling (9.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (8.4% 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 (8.4% 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.
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 Vito 110 Progressive Cdis pass their MOT?
78.5% of the 1,496 2021 Mercedes-Benz Vito 110 Progressive Cdi MOT tests in this dataset passed — a 21.5% fail rate.
What is the most common MOT failure on a 2021 Mercedes-Benz Vito 110 Progressive Cdi?
Lighting & signalling, recorded in 9.5% of tests, followed by tyres (8.4%).
Does the 2021 Vito 110 Progressive Cdi get worse with mileage?
Its MOT fail rate rises from 15.3% in the 0-30k band to 32.6% in the 150k+ band.
Methodology & source. Based on 1,496 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.