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Mercedes-benz C - 1997

367.8 faults per 100 tests
Year average for all cars of 1997 is 338.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz C, model year 1997. Sample size: 789 cars, 1,503 tests and 5,528 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 789 cars

The 1997 Mercedes-Benz C model has an overall defect rate of 368 per 100 vehicles, which is 10% higher than the average for cars of the same year. Notably, it shows a significant improvement in the Body/Structure and Equipment categories, with defect rates nearly half that of the average. However, it performs worse in the Wheels, Suspensions & Axles, and Other categories, where defects are considerably higher than the average. Mileage trends indicate that as the car ages, the defect rate increases, particularly in the higher mileage segments.

Cars by mileage segment

Total: 789 cars

Categories

Brakes
▼ 17.2% worse
165.3 faults / 100 tests
Year avg: 141.1 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
Steering
▲ 1.8% better
26.9 faults / 100 tests
Year avg: 27.4 / 100 tests
Visibility
▲ 8.7% better
23.0 faults / 100 tests
Year avg: 25.2 / 100 tests
Lights & Electrics
▼ 11.0% worse
72.7 faults / 100 tests
Year avg: 65.5 / 100 tests
  • Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▼ 28.1% worse
321.1 faults / 100 tests
Year avg: 250.7 / 100 tests
  • A spring: or spring component fractured or seriously weakened
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension component: excessively damaged or corroded
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 51.1% better
41.0 faults / 100 tests
Year avg: 83.8 / 100 tests
Equipment
▲ 54.3% better
10.1 faults / 100 tests
Year avg: 22.1 / 100 tests
Other
▼ 23.9% worse
75.6 faults / 100 tests
Year avg: 61.0 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 539 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)

A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 578
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 526
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 498
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 300
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 273
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 272
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 232
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 181
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
ADVISORY
Occurrences: 171
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 167

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 68
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 51
Lamp emitted colour, position or intensity not in accordance with the requirements
FAIL
Occurrences: 45
Flexible brake hose: excessively damaged, deteriorated, chafed, twisted or stretched
FAIL
Occurrences: 43
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 35
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 27
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 25
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 23
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 21
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 20