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Mercedes-benz A-CLASS - 2012

185.6 faults per 100 tests
Year average for all cars of 2012 is 249.2 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 2012. Sample size: 5,393 cars, 12,569 tests and 23,325 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 5,393 cars

The 2012 Mercedes-Benz A-Class has an overall defect rate of 186 defects per 100 vehicles, which is 25% lower than the average for cars of the same year. Notably, the A-Class performs significantly better than average in several categories, including steering, lights and electrics, and body structure, where it exhibits fewer defects. However, it does show a higher incidence of brake-related issues compared to the average. As mileage increases, the defect rate for this model rises, indicating potential concerns as vehicles age.

Cars by mileage segment

Total: 5,393 cars

More model years for Mercedes-benz A-CLASS

1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

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
▼ 23.1% worse
127.8 faults / 100 tests
Year avg: 103.8 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 65.2% better
4.6 faults / 100 tests
Year avg: 13.2 / 100 tests
Visibility
▼ 6.8% worse
20.5 faults / 100 tests
Year avg: 19.2 / 100 tests
Lights & Electrics
▲ 45.7% better
33.6 faults / 100 tests
Year avg: 61.9 / 100 tests
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▲ 37.0% better
154.0 faults / 100 tests
Year avg: 244.4 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • A shock absorber damaged … or showing signs of severe leakage
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 44.3% better
14.6 faults / 100 tests
Year avg: 26.2 / 100 tests
Equipment
▲ 0.0% better
6.2 faults / 100 tests
Year avg: 6.2 / 100 tests
Other
▲ 58.1% better
9.9 faults / 100 tests
Year avg: 23.6 / 100 tests

Fault rate by mileage segment

Model    Year average
0 402 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: 2,890
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 2,883
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,284
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,896
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 932
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 671
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 517
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 516
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 458
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 458

Serious faults (Top 10)

A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 516
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 458
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 369
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 328
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 320
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 263
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 224
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 193
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 163
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 152