MERCEDES S500 L AMG LN PRM+EXC MHEV4M A (2023)
Running costs, common problems, and reliability data based on 57 real MOT tests in 2024.
MOT Pass Rate
95%
Total Tests (2024)
57
Avg Mileage
11,741 mi
Est. Annual Cost
£2,037
Is the 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A reliable?
Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 1 years old, 95% of MERCEDES S500 L AMG LN PRM+EXC MHEV4M As from 2023 passed their MOT first time in 2024. That's based on 57 tests across the UK. The average mileage at this age is 11,741 miles.
How does the 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A compare?
Mileage Analysis
The average 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A has 11,741 miles on the clock, which is well above the expected 7,400 miles for a 1-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a MERCEDES S500 L AMG LN PRM+EXC MHEV4M A?
The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2023 model has the lowest at 95%. Consider a different year if reliability is a priority.
How much does a 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M 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.
MERCEDES S500 L AMG LN PRM+EXC MHEV4M A by Year
Checking a specific MERCEDES S500 L AMG LN PRM+EXC MHEV4M A?
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About the 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A
The 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A is a large car with a 2999cc hybrid engine. 57 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2023, the average MOT pass rate is 95%, and this model falls short of that benchmark.
With an average of 11,741 miles at 1 years old, MERCEDES S500 L AMG LN PRM+EXC MHEV4M A owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A Fuel Costs
The 2999cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M 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 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES S500 L AMG LN PRM+EXC MHEV4M A Reliability Trend
The MERCEDES S500 L AMG LN PRM+EXC MHEV4M A has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Alternatives to the 2023 MERCEDES S500 L AMG LN PRM+EXC MHEV4M A
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- BMW X5 XDRIVE45E M SPORT AUTO (2021) 88% pass rate (-7%) from 7,560 tests
- BMW M340I XDRIVE MHEV AUTO (2021) 93% pass rate (-2%) from 4,809 tests
- LEXUS RX (2021) 97% pass rate (+2%) from 3,357 tests
- BMW M440I XDRIVE MHEV AUTO (2021) 92% pass rate (-3%) from 2,725 tests