Is the Mercedes S 350 l grand ed executive d a reliable?

The Mercedes S 350 l grand ed executive d a has an average MOT pass rate of 94% across 3 years, based on 1,524 tests in 2026. That's 12 points above the national average of 82%. The most reliable year is 2021 with a 95% pass rate.

Which year Mercedes S 350 l grand ed executive d a is best?

The 2021 Mercedes S 350 l grand ed executive d a has the highest MOT pass rate at 95%, while the 2020 model has the lowest at 93%. There's a 2 percentage point spread between the best and worst years.

Mercedes S 350 l grand ed executive d a

Reliability, running costs, and MOT data across 3 years from 1,524 real MOT tests.

Avg Pass Rate

94%

Total Tests

1,524

Best Year

2021 (95%)

Years Covered

About the Mercedes S 350 l grand ed executive d a

The Mercedes S 350 l grand ed executive d a has been tested 1,524 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 2021 model is the most reliable with a 95% pass rate from 296 tests. The 2020 model has the lowest at 93%. With just a 2 point spread, the S 350 l grand ed executive d a is consistently reliable regardless of year.

Reliability Trend

The MERCEDES S 350 L GRAND ED EXECUTIVE D A has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.

Mileage Across Years

The oldest model in our data (2019) averages 56,993 miles, while the newest (2021) averages 39,306 miles.

Compared to the Mercedes brand average of 87%, the S 350 l grand ed executive d a performs 7 points better, making it one of the more reliable options in the Mercedes range.