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Mercedes-benz 300 - 1991

256.6 faults per 100 tests
Year average for all cars of 1991 is 263.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz 300, model year 1991. Sample size: 433 cars, 837 tests and 2,148 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 433 cars

The 1991 Mercedes-Benz 300 has a slightly lower overall defect rate compared to the average car of the same year, with 257 defects per 100 vehicles, which is 2.5% better than the yearly average of 263. Notably, this model performs well in categories such as visibility, body structure, and equipment, showing significant improvements over the averages. However, it does have a higher incidence of steering issues, with 35 defects per 100 vehicles, compared to the average of 29. The defect rate trends indicate that as mileage increases, the Mercedes-Benz 300's performance worsens more significantly than the average car, particularly in the higher mileage categories.

Cars by mileage segment

Total: 433 cars

More model years for Mercedes-benz 300

1986 1987 1988 1989 1990 1991 1992 1993

Other models from Mercedes-benz

Mercedes-benz 190 E Mercedes-benz 300 Mercedes-benz A Mercedes-benz A 180 AMG LINE Mercedes-benz A 180 SPORT Mercedes-benz A 200 Mercedes-benz A 250 AMG LINE Mercedes-benz A-CLASS Mercedes-benz B Mercedes-benz B-CLASS Mercedes-benz C Mercedes-benz CITAN Mercedes-benz CL Mercedes-benz CL 500 Mercedes-benz CLA Mercedes-benz CLC Mercedes-benz CLK Mercedes-benz CLS Mercedes-benz E Mercedes-benz E 220 AMG Mercedes-benz EQA 250 AMG LINE Mercedes-benz EQC 400 AMG LINE Mercedes-benz ESPRINTER Mercedes-benz EVITO Mercedes-benz G Mercedes-benz G-CLASS Mercedes-benz GL Mercedes-benz GLA Mercedes-benz GLA 180 AMG LINE Mercedes-benz GLA 200 AMG LINE Mercedes-benz GLA 250 AMG LINE Mercedes-benz GLA 250 EXCLUSIVE Mercedes-benz GLB 200 AMG LINE Mercedes-benz GLB 220 AMG LINE Mercedes-benz GLC Mercedes-benz GLC 300 AMG Mercedes-benz GLC 300 AMG LINE Mercedes-benz GLE Mercedes-benz GLS Mercedes-benz GT Mercedes-benz ML Mercedes-benz R-Class Mercedes-benz S-Class Mercedes-benz SL Mercedes-benz SLC Mercedes-benz SLK Mercedes-benz SPRINTER Mercedes-benz V Mercedes-benz VIANO Mercedes-benz VITO Mercedes-benz X

Categories

Brakes
▼ 18.8% worse
125.0 faults / 100 tests
Year avg: 105.2 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▼ 20.3% worse
34.9 faults / 100 tests
Year avg: 29.0 / 100 tests
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 26.9% better
15.5 faults / 100 tests
Year avg: 21.2 / 100 tests
Lights & Electrics
▲ 11.6% better
52.6 faults / 100 tests
Year avg: 59.5 / 100 tests
Wheels & Suspension
▼ 2.6% worse
181.1 faults / 100 tests
Year avg: 176.5 / 100 tests
  • A spring: or spring component fractured or seriously weakened
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • A wheel bearing: with excessive play
Body/Structure
▲ 25.1% better
48.0 faults / 100 tests
Year avg: 64.1 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▲ 58.7% better
7.6 faults / 100 tests
Year avg: 18.4 / 100 tests
Other
▲ 8.3% better
48.5 faults / 100 tests
Year avg: 52.9 / 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
0 476 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: 214
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 171
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 132
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 111
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 99
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 82
A wheel bearing: with excessive play
ADVISORY
Occurrences: 68
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 66
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 54
Steering rack gaiter or ball joint dust cover: damaged or deteriorated
MINOR
Occurrences: 49

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 21
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 20
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 15
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 15
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 14
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 14
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 14
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 12
Fuel system: leaking, or missing or ineffective filler cap
FAIL
Occurrences: 12
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 11