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Mercedes-benz B-CLASS - 2014

140.0 faults per 100 tests
Year average for all cars of 2014 is 198.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mercedes-benz B-CLASS, model year 2014. Sample size: 8,821 cars, 20,003 tests and 28,010 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 8,821 cars

The 2014 Mercedes-Benz B-Class has an overall defect rate of 140 per 100 vehicles, which is significantly better than the average of 194 per 100 for its year, indicating a 27.9% improvement. Notably, the model excels in categories such as brakes and steering, with defect rates of 72% and 1% respectively, compared to average rates of 93% and 11%. Despite some increase in defects as mileage grows, the B-Class generally performs better than average across all mileage segments. There are no standout issues for this model, suggesting reliable performance in terms of overall vehicle condition.

Cars by mileage segment

Total: 8,821 cars

More model years for Mercedes-benz B-CLASS

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

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
▲ 22.3% better
72.1 faults / 100 tests
Year avg: 92.8 / 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
▲ 95.0% better
0.6 faults / 100 tests
Year avg: 11.9 / 100 tests
Visibility
▲ 18.0% better
14.1 faults / 100 tests
Year avg: 17.2 / 100 tests
Lights & Electrics
▲ 38.7% better
24.2 faults / 100 tests
Year avg: 39.5 / 100 tests
Wheels & Suspension
▲ 22.1% better
154.9 faults / 100 tests
Year avg: 198.8 / 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 joint dust cover: severely deteriorated
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 90.4% better
1.5 faults / 100 tests
Year avg: 15.6 / 100 tests
Equipment
▼ 2.2% worse
4.6 faults / 100 tests
Year avg: 4.5 / 100 tests
Other
▲ 49.0% better
8.0 faults / 100 tests
Year avg: 15.7 / 100 tests

Fault rate by mileage segment

Model    Year average
0 359 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: 4,942
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,055
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 2,329
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,966
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 1,227
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,206
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 947
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 851
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 685
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 683

Serious faults (Top 10)

A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 947
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 683
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 618
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 505
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 354
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 328
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 276
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 243
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 208
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 192