Mercedes-Benz Glc
From 126,922 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
Newer Glcs fare better: 2022 models pass at 96.8% vs 87.1% for 2015.
What goes wrong?
The most common MOT failure reasons are a suspension pin, bush or joint excessively worn, tyre tread depth not in accordance with the requirements and a tyre seriously damaged. The top issue, a suspension pin, bush or joint excessively worn, caused 2,720 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a suspension pin, bush or joint excessively worn | 2,720 |
| tyre tread depth not in accordance with the requirements | 1,916 |
| a tyre seriously damaged | 1,842 |
| a tyre cords visible or damaged | 1,104 |
| a brake lining or pad worn below 1.5mm | 772 |
| engine mil illuminated indicating a malfunction | 770 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 542 |
| a spring or spring component fractured or seriously weakened | 487 |
| brake lining or pad worn down to wear indicator | 407 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 374 |
How serious are these failures?
Not all MOT failures are equal. 16.5% of Glc failures could actually strand you: fractured springs, engine faults, exhaust problems. Another 58.9% are safety issues where the car still drives but shouldn't, such as worn brakes, corroded brake pipes, and steering wear. When it does fail, the average repair bill is around £123.
Mercedes-Benz Glc on UK roads
The fleet is growing: 7,334 newly registered in the past year with 1,603 leaving, a net gain of 5,731. Currently at its highest numbers ever.
Quarterly breakdown
| Quarter | On road | SORN | New | Gone | Net |
|---|---|---|---|---|---|
| 2025 Q3 | 92,911 | 2,071 | +2,205 | -839 | +1,366 |
| 2025 Q2 | 91,589 | 2,027 | +1,561 | -383 | +1,178 |
| 2025 Q1 | 90,406 | 2,032 | +2,124 | -76 | +2,048 |
| 2024 Q4 | 88,437 | 1,953 | +1,444 | -305 | +1,139 |
| 2024 Q3 | 87,409 | 1,842 | +2,684 | -870 | +1,814 |
| 2024 Q2 | 85,649 | 1,788 | +1,344 | -301 | +1,043 |
| 2024 Q1 | 84,667 | 1,727 | +1,384 | -92 | +1,292 |
| 2023 Q4 | 83,373 | 1,729 | +1,646 | -164 | +1,482 |
20 variants on the road
| Variant | Fuel | Licensed | Share |
|---|---|---|---|
| Glc 220 D 4M Amg Line Prem A | Diesel | 11,197 | 16% |
| Glc 220 D 4Matic Amg Line Auto | Diesel | 10,868 | 16% |
| Glc 250 D 4M Amg Line Prem A | Diesel | 5,941 | 8% |
| Glc 250 D 4M Amg Line Prem + A | Diesel | 5,315 | 8% |
| Glc 300 Amg Line Prem + D 4M A | Diesel | 4,565 | 7% |
| Glc 300 Amg Line Prem D 4M A | Diesel | 3,900 | 6% |
| Glc 220 D 4Matic Sport Auto | Diesel | 2,865 | 4% |
| Glc 220 D 4M Amg Line Prem + A | Diesel | 2,757 | 4% |
| Glc 300 Amg Lne Prem Mhev 4M A | Hybrid Electric (Petrol) | 2,619 | 4% |
| Glc 300 Amg Ln Prem+ Mhev 4M A | Hybrid Electric (Petrol) | 2,348 | 3% |
| Glc 250 Amg Line Premium 4M A | Petrol | 2,325 | 3% |
| Glc 300 Amg Line 4Matic Auto | Petrol | 2,293 | 3% |
| Glc 300 Amg Line Mhev 4Matic A | Hybrid Electric (Petrol) | 2,217 | 3% |
| Glc 250 D 4Matic Amg Line Auto | Diesel | 1,847 | 3% |
| Glc 350 Amg Line Prem + D 4M A | Diesel | 1,683 | 2% |
| Glc 220 D 4Matic Sport Prem A | Diesel | 1,613 | 2% |
| Glc 220 Urban Edition D 4M A | Diesel | 1,497 | 2% |
| Glc 300 Urban Edition E 4M A | Plug-In Hybrid Electric (Petrol) | 1,431 | 2% |
| Glc 300 Amg Ln Prm+ D Mhev4M A | Hybrid Electric (Diesel) | 1,415 | 2% |
| Glc 300 Amg Line Prem + 4M A | Petrol | 1,414 | 2% |
Source: DfT vehicle licensing statistics, 2025 Q3. Crown copyright, OGL v3.0.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2022 | 96.8% | a tyre cords visible or damaged, a tyre seriously damaged |
| 2021 | 94.2% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2020 | 92.5% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2019 | 91.2% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
4 earlier years
| 2018 | 89.2% | a suspension pin, bush or joint excessively worn, a tyre seriously damaged |
| 2017 | 89% | a suspension pin, bush or joint excessively worn, tyre tread depth not in accordance with the requirements |
| 2016 | 87.6% | a suspension pin, bush or joint excessively worn, tyre tread depth not in accordance with the requirements |
| 2015 | 87.1% | a suspension pin, bush or joint excessively worn, tyre tread depth not in accordance with the requirements |
Typical mileage
Half of all Glcs tested had between 30,579 and 60,841 miles on the clock.
At 43,466 median miles, the Glc has 0.023 failures per 10,000 miles driven.
Other Mercedes-Benz models
Common questions
What is the Mercedes-Benz Glc MOT pass rate?
The Mercedes-Benz Glc has a 89.8% MOT pass rate based on 126,922 real MOT tests. This is above the national average.
What are common MOT failures on a Mercedes-Benz Glc?
The most common MOT failure on the Mercedes-Benz Glc is a suspension pin, bush or joint excessively worn, which caused 2,720 failures. Other common issues include tyre tread depth not in accordance with the requirements.
How many Mercedes-Benz Glcs are on UK roads?
There are 92,911 Mercedes-Benz Glcs currently licensed on UK roads, with 2,071 on SORN.
What is the typical mileage of a Mercedes-Benz Glc at MOT?
The median mileage at MOT for a Mercedes-Benz Glc is 43,466 miles. The middle 50% of vehicles tested have between 30,579 and 60,841 miles.
Buying a used Glc?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.