1999 Mercedes Sl500 Auto — MOT History by Age
How cars manufactured in 1999 perform at MOT as they age
27 years
Current Age
70.0%
Latest Pass Rate
30
Total Tests (All Years)
63,095 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Compared to Average at Age 10
This car: 70.0%
Average: 58.8%
✅ 11.2% above average (15326 models compared)
How This Car Ages
📉
Insufficient data for this analysis
Pass Rate Trend
📊
Insufficient data for this analysis
Year-by-Year MOT Results
2009
70.0%
Age (yrs) 10Tests 30Avg Mileage 63,095Top Failure Lamps, Reflectors and Electrical Equipment — 23.3%
Common MOT Failures
Top failure categories across all test years for 1999 Mercedes Sl500 Auto, with age trends.
Lamps, Reflectors and Electrical Equipment
23.3%
— Consistent
Suspension
13.3%
— Consistent
Brakes
10.0%
— Consistent
Tyres
10.0%
— Consistent
Driver's View of the Road
6.7%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Lamps, Reflectors and Electrical Equipment | 23.3% (10 yrs) | 23.3% (10 yrs) | 0.0%
| ⚪ — |
| Suspension | 13.3% (10 yrs) | 13.3% (10 yrs) | 0.0%
| ⚪ — |
| Brakes | 10.0% (10 yrs) | 10.0% (10 yrs) | 0.0%
| ⚪ — |
| Tyres | 10.0% (10 yrs) | 10.0% (10 yrs) | 0.0%
| ⚪ — |
| Driver's View of the Road | 6.7% (10 yrs) | 6.7% (10 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Mercedes Sl500 Auto page →
About This Data
This page shows how Mercedes Sl500 Auto cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2009, covering 30 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.