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Mercedes-benz A-CLASS - 2020

79.4 faults per 100 tests
Year average for all cars of 2020 is 91.3 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 2020. Sample size: 115 cars, 233 tests and 185 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 115 cars

The 2020 Mercedes-Benz A-Class exhibits a lower overall defect rate than the average car of the same year, with 79 defects per 100 vehicles compared to 90. The model performs exceptionally well in steering, with no reported defects, and shows significantly fewer issues with lights and electrics and body structure compared to the average. However, it has a notably higher rate of equipment-related defects, which is 367% worse than the average. Mileage trends indicate that defect rates increase with distance driven, consistent with general patterns observed across vehicles.

Cars by mileage segment

Total: 115 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
▲ 12.2% better
44.6 faults / 100 tests
Year avg: 50.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 14.9% better
12.0 faults / 100 tests
Year avg: 14.1 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 69.6% better
3.4 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▲ 11.1% better
86.7 faults / 100 tests
Year avg: 97.5 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
Body/Structure
▲ 29.2% better
1.7 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▼ 360.0% worse
6.9 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt:
Other
▲ 8.1% better
3.4 faults / 100 tests
Year avg: 3.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 273 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)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 37
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 26
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 17
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 16
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 15
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 6
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 5
A seat belt:
ADVISORY
Occurrences: 5
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 4

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 4
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 4
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 4
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 3
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 2
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 2
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 2
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 2
Brake disc or drum: insecure, fractured or otherwise likely to fail
FAIL
Occurrences: 1