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Mercedes-benz VITO - 2021

110.7 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz VITO, model year 2021. Sample size: 6,737 cars, 14,532 tests and 16,090 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 6,737 cars

The 2021 Mercedes-Benz Vito has a considerably higher overall defect rate of 111 per 100 vehicles, compared to the average of 79 per 100 for its year, representing a 41% increase. The model shows a marked increase in defect rates as mileage increases, particularly in the 93,000 to 124,000 miles category. While it performs well in steering issues, with significantly fewer defects than the average, it struggles notably in brake performance, visibility, lights and electrics, and various equipment categories. These areas all exhibit defect rates that are much higher than the average for similar vehicles, indicating potential reliability concerns.

Cars by mileage segment

Total: 6,737 cars

Categories

Brakes
▼ 64.5% worse
65.8 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 57.1% better
0.3 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▼ 94.5% worse
28.2 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: defective
Lights & Electrics
▼ 83.0% worse
20.5 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▼ 11.0% worse
96.9 faults / 100 tests
Year avg: 87.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A shock absorber damaged … or showing signs of severe leakage
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 19.0% better
1.7 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▼ 40.0% worse
2.1 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▼ 114.8% worse
5.8 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 281 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,216
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,478
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 1,095
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,009
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 767
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 671
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 670
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 474
Wiper blade: defective
MINOR
Occurrences: 403
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 392

Serious faults (Top 10)

Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 474
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 314
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 288
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 280
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 200
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 173
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 166
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 148
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 143
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 140