MERCEDES GLE 350 AMG LINE DE 4MATIC A (2021)
Running costs, common problems, and reliability data based on 725 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
725
Avg Mileage
34,824 mi
Est. Annual Cost
£1,772
Is the 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 91% of MERCEDES GLE 350 AMG LINE DE 4MATIC As from 2021 passed their MOT first time in 2024. That's based on 725 tests across the UK. The average mileage at this age is 34,824 miles.
How does the 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A compare?
Mileage Analysis
The average 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A has 34,824 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a MERCEDES GLE 350 AMG LINE DE 4MATIC A?
The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2021 model has the lowest at 91%. Consider a different year if reliability is a priority.
How much does a 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC 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 GLE 350 AMG LINE DE 4MATIC A by Year
Checking a specific MERCEDES GLE 350 AMG LINE DE 4MATIC A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A
The 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A is a family car with a 1950cc petrol engine. 725 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 34,824 miles at 3 years old, MERCEDES GLE 350 AMG LINE DE 4MATIC A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A Fuel Costs
The 1950cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC A?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES GLE 350 AMG LINE DE 4MATIC A Reliability Trend
The MERCEDES GLE 350 AMG LINE DE 4MATIC A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 MERCEDES GLE 350 AMG LINE DE 4MATIC 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 GLE 350 AMG LINE DE 4MATIC A
The MERCEDES GLE 350 AMG LINE DE 4MATIC A is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
- LAND ROVER DISCOVERY SPORT R-DYN SE D A (2020) 90% pass rate (-1%) from 5,505 tests
- BMW 520D M SPORT MHEV AUTO (2021) 89% pass rate (-2%) from 3,423 tests
- BMW 320D M SPORT MHEV AUTO (2021) 91% pass rate (same) from 3,336 tests
- VOLVO XC90 R-DESIGN B5 MHEV AWD AUTO (2021) 90% pass rate (-1%) from 2,911 tests