MERCEDES AMG GLC 63 S PREMIUM 4M + A (2020)
Running costs, common problems, and reliability data based on 379 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
379
Avg Mileage
36,706 mi
Est. Annual Cost
£2,037
Is the 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 4 years old, 97% of MERCEDES AMG GLC 63 S PREMIUM 4M + As from 2020 passed their MOT first time in 2024. That's based on 379 tests across the UK. The average mileage at this age is 36,706 miles.
How does the 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A compare?
Mileage Analysis
The average 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A has 36,706 miles on the clock, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A 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 AMG GLC 63 S PREMIUM 4M + A by Year
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About the 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A
The 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A is a performance with a 3982cc petrol engine. 379 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 8% of all 2020 cars for reliability.
With an average of 36,706 miles at 4 years old, MERCEDES AMG GLC 63 S PREMIUM 4M + A owners cover more miles than the average driver.
2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A Fuel Costs
The 3982cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES AMG GLC 63 S PREMIUM 4M + A Reliability Trend
The MERCEDES AMG GLC 63 S PREMIUM 4M + A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A
At 4 years old, the MERCEDES AMG GLC 63 S PREMIUM 4M + A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 MERCEDES AMG GLC 63 S PREMIUM 4M + A
The MERCEDES AMG GLC 63 S PREMIUM 4M + A is actually the most reliable option among similar petrol performances from this era. Here are comparable petrol cars with similar engines:
- MERCEDES C (2019) 91% pass rate (-6%) from 52,838 tests
- PORSCHE CAYENNE (2019) 95% pass rate (-2%) from 9,063 tests
- PORSCHE 911 (2018) 96% pass rate (-1%) from 7,623 tests
- AUDI A6 (2020) 94% pass rate (-3%) from 3,470 tests