MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A (2021)
Running costs, common problems, and reliability data based on 103 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
103
Avg Mileage
29,393 mi
Est. Annual Cost
£2,037
Is the 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 94% of MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+As from 2021 passed their MOT first time in 2024. That's based on 103 tests across the UK. The average mileage at this age is 29,393 miles.
How does the 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A compare?
Mileage Analysis
The average 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A has 29,393 miles on the clock, which is above the expected 22,200 miles for a 3-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 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+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.
Checking a specific MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A
The 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A is a performance with a 3982cc hybrid engine. 103 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 29,393 miles at 3 years old, MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A owners cover more miles than the average driver.
2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A Fuel Costs
The 3982cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+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 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 MERCEDES AMG GLS 63 NT ED EXEC MHEV4M+A
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- PORSCHE PANAMERA (2020) 95% pass rate (+1%) from 926 tests
- FERRARI SF90 STRADALE S-A (2021) 99% pass rate (+5%) from 218 tests
- FERRARI SF90 ASSETTO FIORANO S-A (2021) 99% pass rate (+5%) from 141 tests