CarCostCheck

Mercedes S 450 l grand ed exec mhev a

Reliability, running costs, and MOT data across 1 years from 37 real MOT tests.

Avg Pass Rate

97%

Total Tests

37

Best Year

2019 (97%)

Years Covered

1

About the Mercedes S 450 l grand ed exec mhev a

The Mercedes S 450 l grand ed exec mhev a has been tested 37 times in 2026 MOT data across 1 model years (2019 to 2019), with an average pass rate of 97%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.

Best and Worst Years

The 2019 model is the most reliable with a 97% pass rate from 37 tests. The 2019 model has the lowest at 97%. With just a 0 point spread, the S 450 l grand ed exec mhev a is consistently reliable regardless of year.

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

Fuel (Petrol, 2999cc)
£1,592
Road Tax
£195
MOT Test
£55
Predicted Repairs
£200
Total per year£2,042
Per month£170/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2019 details

How reliable is the Mercedes S 450 l grand ed exec mhev a?

vs national average+15% (82% avg)
vs Mercedes brand average+10% (87% avg)
Best to worst year spread0 percentage points

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.

YearPass RateTestsAvg Mileage
201997%3775,421 mi

Mercedes S 450 l grand ed exec mhev a Guides & Articles

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