2003 Mercedes Sl500 Auto — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

77.9%

Latest Pass Rate

2,003

Total Tests (All Years)

62,517 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 13

This car: 77.9%

Average: 53.1%

✅ 24.8% above average (13033 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes Sl500 Auto as it ages.

6 yrs84.8%

→ ↑0.4%

7 yrs85.2%

→ ↓3.3%

8 yrs81.9%

→ ↓2.2%

9 yrs79.7%

→ ↑2.2%

10 yrs81.9%

→ ↓1.5%

11 yrs80.4%

→ ↑1.6%

12 yrs82.0%

→ ↓4.1%

13 yrs77.9%

📊 View as table

Age	Pass Rate	Tests
6 yrs	84.8%	269
7 yrs	85.2%	243
8 yrs	81.9%	243
9 yrs	79.7%	246
10 yrs	81.9%	248
11 yrs	80.4%	255
12 yrs	82.0%	255
13 yrs	77.9%	244

Pass Rate Trend

How the 2003 Mercedes Sl500 Auto pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (13 yrs)	77.9%	244
2015 (12 yrs)	82%	255
2014 (11 yrs)	80.4%	255
2013 (10 yrs)	81.9%	248
2012 (9 yrs)	79.7%	246
2011 (8 yrs)	81.9%	243
2010 (7 yrs)	85.2%	243
2009 (6 yrs)	84.8%	269

Year-by-Year MOT Results

2009

84.8%

Age (yrs) 6Tests 269Avg Mileage 38,864Top Failure Tyres — 6.3%

2010

85.2%

Age (yrs) 7Tests 243Avg Mileage 43,401Top Failure Tyres — 6.6%

2011

81.9%

Age (yrs) 8Tests 243Avg Mileage 46,430Top Failure Tyres — 10.3%

2012

79.7%

Age (yrs) 9Tests 246Avg Mileage 51,067Top Failure Suspension — 11.0%

2013

81.9%

Age (yrs) 10Tests 248Avg Mileage 52,744Top Failure Suspension — 18.5%

2014

80.4%

Age (yrs) 11Tests 255Avg Mileage 57,195Top Failure Brakes — 18.0%

2015

82.0%

Age (yrs) 12Tests 255Avg Mileage 58,788Top Failure Suspension — 14.9%

2016

77.9%

Age (yrs) 13Tests 244Avg Mileage 62,517Top Failure Suspension — 19.3%

MOT results for 2003 Mercedes Sl500 Auto by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	84.8%	269	38,864	Tyres — 6.3%
2010	7	85.2%	243	43,401	Tyres — 6.6%
2011	8	81.9%	243	46,430	Tyres — 10.3%
2012	9	79.7%	246	51,067	Suspension — 11.0%
2013	10	81.9%	248	52,744	Suspension — 18.5%
2014	11	80.4%	255	57,195	Brakes — 18.0%
2015	12	82.0%	255	58,788	Suspension — 14.9%
2016	13	77.9%	244	62,517	Suspension — 19.3%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes Sl500 Auto, with age trends.

Suspension

12.2%

↑ Increases with age

Tyres

9.8%

↑ Increases with age

Brakes

8.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

6.3%

↑ Increases with age

Steering

3.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	5.2% (6 yrs)	19.3% (13 yrs)	+14.1%	🔴 ↑
Brakes	4.1% (6 yrs)	12.3% (13 yrs)	+8.2%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	4.1% (6 yrs)	10.7% (13 yrs)	+6.6%	🔴 ↑
Tyres	6.3% (6 yrs)	12.3% (13 yrs)	+6.0%	🔴 ↑

Other Manufacture Years

1995 1999 2002 2003 2004 2005 2006 2007

← Back to Mercedes Sl500 Auto overview

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About This Data

This page shows how Mercedes Sl500 Auto cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2016, covering 2,003 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.