Mercedes-benz 300 - 1990
244.9 faults per 100 tests
Year average for all cars of 1990 is 257.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz 300, model year 1990.
Sample size: 355 cars, 668 tests and 1,636 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 355 cars
The 1990 Mercedes-Benz 300 demonstrates a lower overall defect rate compared to the average car of its year, with 245 defects per 100 vehicles, which is 4.5% better than the average of 256. The model particularly excels in categories such as Lights & Electrics, where it shows 32% fewer defects, and Body/Structure, with a 30% reduction compared to the average. Notably, the defect rate increases with mileage, especially in the highest mileage bracket (over 124,000 miles), where it reaches 486 defects per 100 vehicles. Overall, while tyre wear is a common issue, the specific strengths of this model lie in its robust performance in electrical and structural aspects.
Cars by mileage segment
Total: 355 cars
More model years for Mercedes-benz 300
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
▼ 8.3% worse
110.2 faults / 100 tests
Year avg: 101.8 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake hose ferrules: excessively corroded
Steering
▲ 8.6% better
23.4 faults / 100 tests
Year avg: 25.6 / 100 tests
Visibility
▼ 3.3% worse
21.9 faults / 100 tests
Year avg: 21.2 / 100 tests
Lights & Electrics
▲ 33.2% better
39.2 faults / 100 tests
Year avg: 58.7 / 100 tests
Wheels & Suspension
▼ 7.9% worse
191.0 faults / 100 tests
Year avg: 177.0 / 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
- A spring: or spring component fractured or seriously weakened
- A suspension component: excessively damaged or corroded
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 30.8% better
43.1 faults / 100 tests
Year avg: 62.3 / 100 tests
- Exhaust system has a major leak or is insecure
Equipment
▲ 71.3% better
4.5 faults / 100 tests
Year avg: 15.7 / 100 tests
Other
▼ 9.5% worse
56.6 faults / 100 tests
Year avg: 51.7 / 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
* 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: 163
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 139
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 114
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 109
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 87
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 59
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 58
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 50
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 49
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 43
Serious faults (Top 10)
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 21
Emissions levels exceed default limits
FAIL
Occurrences: 13
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 13
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 12
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 11
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 10
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 10
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 9
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 9
Fuel system: leaking, or missing or ineffective filler cap
FAIL
Occurrences: 8