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Mercedes-benz A-CLASS - 2017

114.7 faults per 100 tests
Year average for all cars of 2017 is 137.4 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 2017. Sample size: 45,841 cars, 103,963 tests and 119,239 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 45,841 cars

The 2017 Mercedes-Benz A-Class exhibits a lower overall defect rate compared to the average car of the same year, with 115 defects per 100 vehicles versus 134. This model notably excels in categories such as steering, where it experiences just 0.5 defects per 100 compared to the average of 5.2, and lights and electrics, where it records 9.4 defects against an average of 19.4. Additionally, the A-Class shows better performance in body structure and equipment issues. However, defect rates increase with mileage, particularly in the higher mileage brackets, but overall, this model remains significantly more reliable than its peers.

Cars by mileage segment

Total: 45,841 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
▲ 2.3% better
70.8 faults / 100 tests
Year avg: 72.5 / 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
▲ 91.1% better
0.5 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 4.8% better
13.8 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 53.9% better
9.4 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 10.8% better
127.6 faults / 100 tests
Year avg: 143.1 / 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 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
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 84.3% better
1.1 faults / 100 tests
Year avg: 7.0 / 100 tests
Equipment
▲ 37.0% better
1.7 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▲ 48.9% better
4.6 faults / 100 tests
Year avg: 9.0 / 100 tests

Fault rate by mileage segment

Model    Year average
0 318 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: 27,725
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 15,380
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 12,592
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 10,871
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 6,413
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 3,782
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 3,045
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,603
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 2,079
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 2,040

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 3,782
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,603
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 2,040
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,606
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,571
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 1,413
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 1,053
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 848
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 666
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 554