MERCEDES GLC (2015)
Running costs, common problems, and reliability data based on 3,031 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
3,031
Avg Mileage
76,191 mi
Est. Annual Cost
£1,900
Is the 2015 MERCEDES GLC reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 9 years old, 89% of MERCEDES GLCs from 2015 passed their MOT first time in 2024. That's based on 3,031 tests across the UK. The average mileage at this age is 76,191 miles.
How does the 2015 MERCEDES GLC compare?
Mileage Analysis
The average 2015 MERCEDES GLC has 76,191 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES GLC?
The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2015 model has the lowest at 89%. Consider a different year if reliability is a priority.
How much does a 2015 MERCEDES GLC cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES GLC by Year
Checking a specific MERCEDES GLC?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 MERCEDES GLC
The 2015 MERCEDES GLC is a family car with a 2143cc diesel engine. 3,031 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.
With an average of 76,191 miles at 9 years old, MERCEDES GLC owners drive about as much as the UK average.
2015 MERCEDES GLC Fuel Costs
The 2143cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2015 MERCEDES GLC?
Total estimated annual running cost is £1,900 (£158/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
MERCEDES GLC Reliability Trend
Newer MERCEDES GLCs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2015 MERCEDES GLC
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage.
Alternatives to the 2015 MERCEDES GLC
The MERCEDES GLC is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2015) 89% pass rate (same) from 121,777 tests
- VAUXHALL ASTRA (2013) 79% pass rate (-10%) from 101,969 tests
- FORD TRANSIT (2017) 81% pass rate (-8%) from 80,031 tests
- BMW 3 SERIES (2013) 85% pass rate (-4%) from 71,326 tests