Mercedes-Benz Gla 220 Amg Line Prem + D 4m A: MOT pass rate and reliability data
The Mercedes-Benz Gla 220 Amg Line Prem + D 4m A passes its MOT first time more often than the average UK car, by 16.9 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 840 individual Mercedes-Benz Gla 220 Amg Line Prem + D 4m A tests. Nothing here is an estimate or a survey.
The numbers
| First-time pass rate | 93.6% |
| UK national average | 76.7% |
| Difference | +16.9 points |
| Tests analysed | 840 |
| Average mileage at test | 26,024 miles |
| Average year of manufacture | 2021 |
| Reliability rank | 178 of 2,005 models |
What this means if you are buying one
A 93.6% first-time pass rate means roughly 6 in every 100 Mercedes-Benz Gla 220 Amg Line Prem + D 4m As presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Mercedes-Benz Gla 220 Amg Line Prem + D 4m A tested had covered 26,024 miles and was built around 2021.
What this means at salvage auction
Pass rate is a proxy for what a car costs to keep on the road. The Mercedes-Benz Gla 220 Amg Line Prem + D 4m A sits 16.9 points above the national average, ranked 178 of 2,005 models. On one bought as repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.
Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.
Looking at a specific Mercedes-Benz Gla 220 Amg Line Prem + D 4m A rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see recorded closing bids for damaged Mercedes-Benz Gla 220 Amg Line Prem + D 4m As at UK salvage auction.
Most common MOT failures on a Mercedes-Benz Gla 220 Amg Line Prem + D 4m A
- A tyre seriously damaged, 4.3% of tests (1.54x the national rate for this defect)
- A tyre cords visible or damaged, 0.7% of tests
- Tyre tread depth not in accordance with the requirements, 0.7% of tests
- Brake lining or pad worn down to wear indicator, 0.5% of tests (2.39x the national rate for this defect)
- Engine MIL illuminated indicating a malfunction, 0.2% of tests
- a brake lining or pad worn below 1.5mm, 0.2% of tests
- Wiper blade missing or obviously not clearing the windscreen, 0.2% of tests
- The aim of a headlamp is not within limits laid down in the requirements, 0.2% of tests
- Seat belt buckle missing, damaged or not functioning as intended, 0.2% of tests (1.62x the national rate for this defect)
- Parking brake efficiency below minimum requirement, 0.2% of tests
From 839 DVSA-tracked Mercedes-Benz Gla 220 Amg Line Prem + D 4m A tests, 2024. DVSA testers marked 2.97% of these flagged Mercedes-Benz Gla 220 Amg Line Prem + D 4m A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.
Most common MOT advisories on a Mercedes-Benz Gla 220 Amg Line Prem + D 4m A
An advisory doesn't fail the car - the tester flags it as worth watching, but it still passes. A different list from the failures above: what testers are noting on a Mercedes-Benz Gla 220 Amg Line Prem + D 4m A before it actually fails on it.
- Tyre tread depth not in accordance with the requirements, 26.6% of tests, also fails
- A tyre seriously damaged, 11.3% of tests, also fails
- a brake lining or pad worn below 1.5mm, 4.6% of tests, also fails
- Brake disc or drum significantly and obviously worn, 2.9% of tests
- Brake disc or drum excessively weakened, insecure or fractured, 1.9% of tests
- A suspension pin, bush or joint excessively worn, 1.9% of tests
- Number plate inscription missing or illegible, 0.7% of tests
- Brake fluid significantly below minimum mark, 0.1% of tests (1.53x the national rate for this advisory)
- A wheel badly distorted or wear between wheel and hub at spigot mounting, 0.1% of tests
- Brake fluid below minimum mark, 0.1% of tests (2.56x the national rate for this advisory)
From 839 DVSA-tracked Mercedes-Benz Gla 220 Amg Line Prem + D 4m A tests, 2024.
Mercedes-Benz Gla 220 Amg Line Prem + D 4m A pass rate by model year
Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Mercedes-Benz Gla 220 Amg Line Prem + D 4m A year:
- 2020 Mercedes-Benz Gla 220 Amg Line Prem + D 4m A - 94% first-time pass, 298 tests
- 2021 Mercedes-Benz Gla 220 Amg Line Prem + D 4m A - 93.3% first-time pass, 520 tests
Other Mercedes-Benz models
- Mercedes-Benz C - 77.4%
- Mercedes-Benz A-Class - 78.7%
- Mercedes-Benz E - 79.2%
- Mercedes-Benz A - 89.5%
- Mercedes-Benz Vito - 72.7%
- Mercedes-Benz Gla - 85.2%
- Mercedes-Benz Glc - 87.8%
- Mercedes-Benz B-Class - 74.7%
Models with a similar pass rate
- Dacia Sandero Essential Sce - 93.6%
- Volvo Xc40 Inscription T4 Recharge A - 93.6%
- MG Zs Trophy Ev - 93.6%
- Mercedes-Benz E 220 Sport D Auto - 93.6%
- Mclaren 570 - 93.6%
- Bentley Flying Spur - 93.6%
If this car is a salvage or write-off
- What does Cat N mean? Category N explained
- What does Cat S mean? Category S explained
- Cat S vs Cat N: the real differences
- Do you need an HPI check on a car you know is a write-off?
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