Mercedes S 350 grand ed executive d a
Reliability, running costs, and MOT data across 3 years from 162 real MOT tests.
Avg Pass Rate
94%
Total Tests
162
Best Year
2019 (95%)
Years Covered
3
About the Mercedes S 350 grand ed executive d a
The Mercedes S 350 grand ed executive d a has been tested 162 times in 2026 MOT data across 3 model years (2019 to 2021), with an average pass rate of 94%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2019 model is the most reliable with a 95% pass rate from 40 tests. The 2021 model has the lowest at 93%. With just a 2 point spread, the S 350 grand ed executive d a is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (2019) averages 37,500 miles, while the newest (2021) averages 35,345 miles.
Compared to the Mercedes brand average of 87%, the S 350 grand ed executive d a performs 7 points better, making it one of the more reliable options in the Mercedes range.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Mercedes S 350 grand ed executive d a?
Mercedes S 350 grand ed executive d a by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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