Mercedes Slr
Reliability, running costs, and MOT data across 2 years from 75 real MOT tests.
Avg Pass Rate
92%
Total Tests
75
Best Year
2004 (100%)
Years Covered
2
How reliable is the Mercedes Slr?
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About the Mercedes Slr
The Mercedes Slr has been tested 75 times in 2024 MOT data across 2 model years (2004 to 2005), with an average pass rate of 92%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2004 model is the most reliable with a 100% pass rate from 30 tests. The 2005 model has the lowest at 84%. With a 16 point spread, choosing the right year makes a big difference to reliability.
Mileage Across Years
The oldest model in our data (2004) averages 21,069 miles, while the newest (2005) averages 13,894 miles.
Compared to the Mercedes brand average of 87%, the Slr performs 5 points better, making it one of the more reliable options in the Mercedes range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.