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Mercedes-benz A-CLASS - 1999

355.7 faults per 100 tests
Year average for all cars of 1999 is 349.1 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 1999. Sample size: 158 cars, 341 tests and 1,213 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 158 cars

The 1999 Mercedes-Benz A-Class has an overall defect rate of 356 per 100 vehicles, which is slightly higher than the average of 345 per 100 vehicles for the same year, marking it 3% above average. Defects increase with mileage, particularly in the categories of wheels, suspensions, and axles, where this model significantly outperforms the average. However, it struggles with lights and electrics, showing a much higher defect rate compared to the average. Notably, the A-Class excels in steering, body structure, and equipment categories, indicating fewer issues than typical for these areas.

Cars by mileage segment

Total: 158 cars

Categories

Brakes
▼ 18.5% worse
181.8 faults / 100 tests
Year avg: 153.4 / 100 tests
  • Brake pipe damaged or excessively corroded
Steering
▲ 29.7% better
18.2 faults / 100 tests
Year avg: 25.9 / 100 tests
Visibility
▼ 10.2% worse
29.3 faults / 100 tests
Year avg: 26.6 / 100 tests
Lights & Electrics
▼ 30.1% worse
95.0 faults / 100 tests
Year avg: 73.0 / 100 tests
Wheels & Suspension
▼ 22.2% worse
326.1 faults / 100 tests
Year avg: 266.9 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension component: excessively damaged or corroded
  • Tyre tread depth not in accordance with the requirements
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 51.6% better
37.0 faults / 100 tests
Year avg: 76.5 / 100 tests
Equipment
▲ 75.5% better
4.7 faults / 100 tests
Year avg: 19.2 / 100 tests
Other
▲ 65.7% better
19.4 faults / 100 tests
Year avg: 56.5 / 100 tests

Fault rate by mileage segment

Model    Year average
0 646 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: 160
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 90
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 79
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 63
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 50
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 39
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 33
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 28
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 27
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 27

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 33
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 27
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 17
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 15
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 14
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 11
Beam image obviously incorrect
FAIL
Occurrences: 8
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 8
A suspension component: excessively damaged or corroded
FAIL
Occurrences: 8
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 8