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Mercedes-benz A-CLASS - 2003

382.4 faults per 100 tests
Year average for all cars of 2003 is 380.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz A-CLASS, model year 2003. Sample size: 1,151 cars, 2,432 tests and 9,299 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 1,151 cars

The 2003 Mercedes-Benz A-Class has a slightly higher overall defect rate of 382 defects per 100 vehicles, compared to the yearly average of 378. Notably, this model performs significantly better than average in categories such as Body/Structure, Equipment, and Other, with defects in these areas being considerably lower. However, it stands out negatively in the Brakes category, where its defect rate is notably higher than the average. Mileage-related trends indicate that as mileage increases, the defect rate also rises, particularly in the higher mileage brackets.

Cars by mileage segment

Total: 1,151 cars

Categories

Brakes
▼ 36.3% worse
230.7 faults / 100 tests
Year avg: 169.3 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 9.1% better
22.9 faults / 100 tests
Year avg: 25.2 / 100 tests
Visibility
▼ 10.1% worse
32.8 faults / 100 tests
Year avg: 29.8 / 100 tests
Lights & Electrics
▼ 4.5% worse
107.4 faults / 100 tests
Year avg: 102.8 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▼ 1.3% worse
305.9 faults / 100 tests
Year avg: 302.1 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • Tyre tread depth not in accordance with the requirements
  • A suspension component: excessively damaged or corroded
  • A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 38.3% better
40.2 faults / 100 tests
Year avg: 65.2 / 100 tests
Equipment
▲ 35.3% better
8.8 faults / 100 tests
Year avg: 13.6 / 100 tests
Other
▲ 69.6% better
16.0 faults / 100 tests
Year avg: 52.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 538 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)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 1,423
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 575
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 480
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 414
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 384
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 374
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 363
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 313
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 242
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 186

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 150
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 138
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 110
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 98
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 91
Beam image obviously incorrect
FAIL
Occurrences: 91
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 73
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 72
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 59
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 51