Mercedes Benz
Gla 180 Amg Line Edition Auto
7,068 MOT tests analysed. sits above the UK fleet average — here's where Gla 180 Amg Line Edition Autos pass, fail, and end up on the retest sheet.
That's 14.1 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
91.6%
Pass-after-fix
1.2%
Fail
6.4%
Avg miles
31,965
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
The picture
Gla 180 Amg Line Edition Auto: a strong MOT record by UK norms
Across 4,295 MOT tests, the Gla 180 Amg Line Edition Auto returns 91.0% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a defective wiper blade. Brake pads worn below 1.5 mm and tyre tread under the limit round out the top three. Average tested mileage sits at 25,347, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
ABI Insurance Group
Group 22–36
Above average — worth comparing quotes before buying. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
22–36
out of 50
Top ten reasons for rejection.
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- 01
Tyre tread depth not in accordance with the requirements
111 occurrences · 1.6% of tests
- 02
Wiper blade defective
79 occurrences · 1.1% of tests
- 03
a brake lining or pad worn below 1.5mm
61 occurrences · 0.9% of tests
- 04
A tyre seriously damaged
55 occurrences · 0.8% of tests
- 05
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
42 occurrences · 0.6% of tests
- 06
Wiper blade missing or obviously not clearing the windscreen
37 occurrences · 0.5% of tests
- 07
Brake lining or pad worn down to wear indicator
33 occurrences · 0.5% of tests
- 08
Engine MIL illuminated indicating a malfunction
23 occurrences · 0.3% of tests
- 09
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
21 occurrences · 0.3% of tests
- 10
Brake disc or drum significantly and obviously worn
15 occurrences · 0.2% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 3 failures
£160–£300
If every one of this Gla 180 Amg Line Edition Auto's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Tools that pre-empt a retest.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Item 01 · Amazon UK
Digital tyre-tread depth gauge
Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.
Search Amazon UK
Item 02 · Amazon UK
Bosch Aerotwin wiper blades
Cheap wipers fail the test on smear streaks. Bosch Aerotwins last a winter and clear a screen properly.
Search Amazon UK
Item 03 · Amazon UK
Brake pad measurement gauge
Testers fail pads under 1.5mm. A wear gauge tells you if you've got two months left or two weeks.
Search Amazon UK
My Motor World · affiliate
Parts & supplies for this fix
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Click Mechanic · affiliate
Book a mobile mechanic
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Buying or keeping a Gla 180 Amg Line Edition Auto?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a Gla 180 Amg Line Edition Auto and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.