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Mercedes-benz 300 - 1987

184.0 faults per 100 tests
Year average for all cars of 1987 is 238.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz 300, model year 1987. Sample size: 328 cars, 612 tests and 1,126 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 328 cars

The 1987 Mercedes-Benz 300 has an overall defect rate of 184 defects per 100 vehicles, which is 22% lower than the average for cars of the same year. Notably, this model performs significantly better than average in several categories, particularly in brakes and visibility, where it shows a 25% and 21% lower defect rate, respectively. However, it experiences higher defects related to mileage, particularly in the lowest mileage bracket, suggesting that older models may show more issues as they age. Overall, the vehicle demonstrates strengths in structural integrity and equipment reliability compared to its peers.

Cars by mileage segment

Total: 328 cars

Categories

Brakes
▲ 26.6% better
64.4 faults / 100 tests
Year avg: 87.7 / 100 tests
  • Brake pipe damaged or excessively corroded
Steering
▲ 5.5% better
27.5 faults / 100 tests
Year avg: 29.1 / 100 tests
Visibility
▲ 22.7% better
15.7 faults / 100 tests
Year avg: 20.3 / 100 tests
Lights & Electrics
▲ 43.8% better
35.3 faults / 100 tests
Year avg: 62.8 / 100 tests
Wheels & Suspension
▲ 6.5% better
139.2 faults / 100 tests
Year avg: 148.8 / 100 tests
  • A suspension joint dust cover: severely deteriorated
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 25.1% better
40.2 faults / 100 tests
Year avg: 53.7 / 100 tests
  • Exhaust system has a major leak or is insecure
  • Body, cab or chassis: excessively corroded at mounting points
Equipment
▲ 65.6% better
7.2 faults / 100 tests
Year avg: 20.9 / 100 tests
Other
▲ 27.2% better
38.6 faults / 100 tests
Year avg: 53.0 / 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
0 487 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)

Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 98
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 79
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 75
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 60
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 47
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 39
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 38
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 32
Body, cab or chassis: excessively corroded at mounting points
ADVISORY
Occurrences: 28
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 27

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 24
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 21
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 15
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 14
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 13
Emissions levels exceed default limits
FAIL
Occurrences: 10
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 10
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 7
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 6
Body, cab or chassis: excessively corroded at mounting points
FAIL
Occurrences: 6