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
About the Mercedes Slr
The Mercedes Slr has been tested 75 times in 2026 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.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2005 detailsHow reliable is the Mercedes Slr?
Mercedes Slr by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Mercedes Slr Guides & Articles
Cars That Lose Value Fastest: Models to Avoid for Depreciation
8 min read
Running CostsCheapest Cars to Run in 2026: Real Data from 19.8 Million MOT Tests
9 min read
Reliability20 Most Reliable Used Cars UK 2026: Real MOT Pass Rate Rankings
10 min read
Buying GuideFord Fiesta Common Problems (2026): What to Check Before Buying
13 min read
ReliabilityFord Puma Problems: 7 Issues Owners Report (2026)
13 min read
Checking a specific Mercedes Slr?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.