MERCEDES X (2020)
Running costs, common problems, and reliability data based on 1,679 real MOT tests in 2024.
MOT Pass Rate
90%
Total Tests (2024)
1,679
Avg Mileage
46,188 mi
Est. Annual Cost
£1,690
Is the 2020 MERCEDES X reliable?
Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.
At 4 years old, 90% of MERCEDES Xs from 2020 passed their MOT first time in 2024. That's based on 1,679 tests across the UK. The average mileage at this age is 46,188 miles.
How does the 2020 MERCEDES X compare?
Mileage Analysis
The average 2020 MERCEDES X has 46,188 miles on the clock, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2020 MERCEDES X 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 X by Year
Checking a specific MERCEDES X?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MERCEDES X
The 2020 MERCEDES X is a large car with a 2298cc diesel engine. 1,679 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 46,188 miles at 4 years old, MERCEDES X owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2020 MERCEDES X Fuel Costs
The 2298cc 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).
What does it cost to own a 2020 MERCEDES X?
Total estimated annual running cost is £1,690 (£141/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES X Reliability Trend
The MERCEDES X has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2020 MERCEDES X
At 4 years old, the MERCEDES X 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 X
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2018) 92% pass rate (+2%) from 111,972 tests
- FORD KUGA (2019) 91% pass rate (+1%) from 72,831 tests
- FORD TRANSIT CUSTOM (2019) 87% pass rate (-3%) from 59,814 tests
- VOLKSWAGEN TIGUAN (2018) 91% pass rate (+1%) from 54,085 tests