MERCEDES-BENZ GLA MOT Pass Rate
86.9% of 27,335 MERCEDES-BENZ GLA MOT tests pass.
The GLA has a pass rate of 86.9%, a little higher than the average across all MERCEDES-BENZ models (82.8%).
The MERCEDES-BENZ GLA passes its MOT 86.9% of the time — well above the national average for cars, which sits at 78.3%.
Pass rate by vehicle age
Pass rate eases gradually with age, from 89.7% at 3–6 years to 82.7% at 10–15 years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | no tests recorded | 0 | no reading |
| 3–6 years | 89.7% | 6,497 | 40,349 miles |
| 6–10 years | 86.2% | 19,454 | 61,495 miles |
| 10–15 years | 82.7% | 1,384 | 80,322 miles |
| 15+ years | no tests recorded | 0 | no reading |
Common MOT failure reasons for the MERCEDES-BENZ GLA
The most common reason the MERCEDES-BENZ GLA fails its MOT is tyres — present in 32.1% of failed tests, most often logged as "tread depth below requirements of 1.6mm".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 32.1% | tread depth below requirements of 1.6mm |
| Suspension | 25.8% | ball joint dust cover no longer prevents the ingress of dirt |
| Brakes | 19.1% | less than 1.5 mm thick |
| Lamps, reflectors and electrical equipment | 18.8% | incorrect colour |
| Visibility | 15.0% | does not clear the windscreen effectively |
| Body, chassis, structure | 10.8% | constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Noise, emissions and leaks | 9.7% | inoperative or indicates a malfunction |
| Seat belts and supplementary restraint systems | 2.3% | warning lamp indicates a fault |
| Road Wheels | 2.1% | fixing missing |
| Identification of the vehicle | 1.9% | does not conform to the specified requirements |
Related MERCEDES-BENZ models
- MERCEDES-BENZ C — 80.1% pass rate
- MERCEDES-BENZ A-CLASS — 81.3% pass rate
- MERCEDES-BENZ E — 82.3% pass rate
- MERCEDES-BENZ A — 91.3% pass rate
- MERCEDES-BENZ VITO — 75.4% pass rate
- MERCEDES-BENZ GLC — 90.2% pass rate