Skip to main content

Mercedes-benz CLS - 2021

60.1 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz CLS, model year 2021. Sample size: 291 cars, 805 tests and 484 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 291 cars

The 2021 Mercedes-Benz CLS demonstrates a lower overall defect rate compared to the average car of the same year, with 60 defects per 100 vehicles versus the average of 79. The model shows particularly strong performance in categories such as brakes, steering, and lights, where it has significantly fewer defects than average. Mileage trends indicate increased defects as the vehicle ages, but the CLS remains consistent with lower numbers in the lower mileage segments. Overall, this model stands out positively in several key areas, making it a reliable choice among its peers.

Cars by mileage segment

Total: 291 cars

More model years for Mercedes-benz CLS

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

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
▲ 50.3% better
19.9 faults / 100 tests
Year avg: 40.0 / 100 tests
  • 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: 0.7 / 100 tests
Visibility
▲ 46.9% better
7.7 faults / 100 tests
Year avg: 14.5 / 100 tests
Lights & Electrics
▲ 95.5% better
0.5 faults / 100 tests
Year avg: 11.2 / 100 tests
Wheels & Suspension
▼ 3.6% worse
90.4 faults / 100 tests
Year avg: 87.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • Any fracture or welding defect on a wheel
  • 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 lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 52.4% better
1.0 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 74.1% better
0.7 faults / 100 tests
Year avg: 2.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 268 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: 83
Any fracture or welding defect on a wheel
FAIL
Occurrences: 69
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 68
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 52
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 40
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 33
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 19
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 15
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 14
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 13

Serious faults (Top 10)

Any fracture or welding defect on a wheel
FAIL
Occurrences: 69
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 68
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 14
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 11
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 6
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 3
5.2.3 (i) (i)
FAIL
Occurrences: 3
Bumper: insecure or with damage likely to cause injury when grazed or contacted
FAIL
Occurrences: 3
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