MERCEDES S 400 L AMG LN PRM+EXEC D 4M A (2022)
Running costs, common problems, and reliability data based on 41 real MOT tests in 2024.
MOT Pass Rate
100%
Total Tests (2024)
41
Avg Mileage
67,956 mi
Est. Annual Cost
£1,690
Is the 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A reliable?
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 2 years old, 100% of MERCEDES S 400 L AMG LN PRM+EXEC D 4M As from 2022 passed their MOT first time in 2024. That's based on 41 tests across the UK. The average mileage at this age is 67,956 miles.
How does the 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A compare?
Mileage Analysis
The average 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A has 67,956 miles on the clock, which is well above the expected 14,800 miles for a 2-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 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.
Checking a specific MERCEDES S 400 L AMG LN PRM+EXEC D 4M A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A
The 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A is a large car with a 2925cc diesel engine. 41 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 6% of all 2022 cars for reliability.
With an average of 67,956 miles at 2 years old, MERCEDES S 400 L AMG LN PRM+EXEC D 4M A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A Fuel Costs
The 2925cc diesel engine is on the larger side, so fuel won't be this car's strong point. 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 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A?
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 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Alternatives to the 2022 MERCEDES S 400 L AMG LN PRM+EXEC D 4M A
The MERCEDES S 400 L AMG LN PRM+EXEC D 4M A is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines:
- BMW X5 (2020) 93% pass rate (-7%) from 8,594 tests
- TOYOTA HILUX INVINCIB X D-4D4WD DCB A (2021) 94% pass rate (-6%) from 6,070 tests
- MITSUBISHI L200 (2020) 91% pass rate (-9%) from 4,919 tests
- LAND ROVER DISCOVERY HSE SD6 AUTO (2020) 91% pass rate (-9%) from 4,634 tests