MERCEDES S 450 L GRAND ED EXEC MHEV A (2019)
Running costs, common problems, and reliability data based on 37 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
37
Avg Mileage
75,421 mi
Est. Annual Cost
£2,037
Is the 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 5 years old, 97% of MERCEDES S 450 L GRAND ED EXEC MHEV As from 2019 passed their MOT first time in 2024. That's based on 37 tests across the UK. The average mileage at this age is 75,421 miles.
How does the 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A compare?
Mileage Analysis
The average 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A has 75,421 miles on the clock, which is well above the expected 37,000 miles for a 5-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2019 MERCEDES S 450 L GRAND ED EXEC MHEV 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 450 L GRAND ED EXEC MHEV A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A
The 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A is a large car with a 2999cc petrol engine. 37 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 10% of all 2019 cars for reliability.
With an average of 75,421 miles at 5 years old, MERCEDES S 450 L GRAND ED EXEC MHEV A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2019 MERCEDES S 450 L GRAND ED EXEC MHEV A Fuel Costs
The 2999cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A
At 5 years old, the MERCEDES S 450 L GRAND ED EXEC MHEV A offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 37 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2019 MERCEDES S 450 L GRAND ED EXEC MHEV A
The MERCEDES S 450 L GRAND ED EXEC MHEV A is actually the most reliable option among similar petrol large cars from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2018) 91% pass rate (-6%) from 40,272 tests
- LAND ROVER RANGE ROVER SPORT (2018) 93% pass rate (-4%) from 34,257 tests
- BMW X3 (2019) 92% pass rate (-5%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-4%) from 30,341 tests