Mercedes S 450 L Grand Ed Exec MHEV A MOT Pass Rate and Running Costs
Reliability, estimated running costs, and MOT data across 1 model year from 37 MOT tests in 2024.
Avg Pass Rate
97%
Total Tests
37
Model Year
2019
Years Covered
1
About the Mercedes S 450 L Grand Ed Exec MHEV A
The Mercedes S 450 L Grand Ed Exec MHEV A was MOT tested 37 times in 2024 (DVSA data, retests included) across 1 model year (2019), with an average pass rate of 97%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.
Compared to the Mercedes brand average of 87%, the S 450 L Grand Ed Exec MHEV A performs 10 points better, making it one of the more reliable options in the Mercedes range.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2019 detailsHow reliable is the Mercedes S 450 L Grand Ed Exec MHEV A?
Mercedes S 450 L Grand Ed Exec MHEV A by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2019 | 97% | 37 | 75,421 mi |
Questions about the Mercedes S 450 L Grand Ed Exec MHEV A
Is the Mercedes S 450 L Grand Ed Exec MHEV A reliable?
Across its 1 model year in our data (2019), the Mercedes S 450 L Grand Ed Exec MHEV A averages a 97% MOT pass rate, from 37 tests (DVSA MOT data for tests in 2024, retests included). That's 15 points above the average of 82% across all models in the same data.
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