2005 Mercedes Sl500 Auto — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

84.3%

Latest Pass Rate

562

Total Tests (All Years)

59,970 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 11

This car: 84.3%

Average: 56.2%

✅ 28.1% above average (14777 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes Sl500 Auto as it ages.

4 yrs86.1%

→ ↑2.3%

5 yrs88.4%

→ ↓3.1%

6 yrs85.3%

→ ↓14.3%

7 yrs71.0%

→ ↑4.4%

8 yrs75.4%

→ ↑13.6%

9 yrs89.0%

→ ↓2.8%

10 yrs86.2%

→ ↓1.9%

11 yrs84.3%

📊 View as table

Age	Pass Rate	Tests
4 yrs	86.1%	72
5 yrs	88.4%	69
6 yrs	85.3%	75
7 yrs	71.0%	69
8 yrs	75.4%	69
9 yrs	89.0%	73
10 yrs	86.2%	65
11 yrs	84.3%	70

Pass Rate Trend

How the 2005 Mercedes Sl500 Auto pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (11 yrs)	84.3%	70
2015 (10 yrs)	86.2%	65
2014 (9 yrs)	89%	73
2013 (8 yrs)	75.4%	69
2012 (7 yrs)	71%	69
2011 (6 yrs)	85.3%	75
2010 (5 yrs)	88.4%	69
2009 (4 yrs)	86.1%	72

Year-by-Year MOT Results

2009

86.1%

Age (yrs) 4Tests 72Avg Mileage 35,882Top Failure Tyres — 11.1%

2010

88.4%

Age (yrs) 5Tests 69Avg Mileage 33,010Top Failure Lamps, Reflectors and Electrical Equipment — 5.8%

2011

85.3%

Age (yrs) 6Tests 75Avg Mileage 37,994Top Failure Tyres — 10.7%

2012

71.0%

Age (yrs) 7Tests 69Avg Mileage 46,900Top Failure Tyres — 15.9%

2013

75.4%

Age (yrs) 8Tests 69Avg Mileage 49,447Top Failure Tyres — 15.9%

2014

89.0%

Age (yrs) 9Tests 73Avg Mileage 54,198Top Failure Lamps, Reflectors and Electrical Equipment — 12.3%

2015

86.2%

Age (yrs) 10Tests 65Avg Mileage 56,542Top Failure Tyres — 26.2%

2016

84.3%

Age (yrs) 11Tests 70Avg Mileage 59,970Top Failure Tyres — 11.4%

MOT results for 2005 Mercedes Sl500 Auto by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	86.1%	72	35,882	Tyres — 11.1%
2010	5	88.4%	69	33,010	Lamps, Reflectors and Electrical Equipment — 5.8%
2011	6	85.3%	75	37,994	Tyres — 10.7%
2012	7	71.0%	69	46,900	Tyres — 15.9%
2013	8	75.4%	69	49,447	Tyres — 15.9%
2014	9	89.0%	73	54,198	Lamps, Reflectors and Electrical Equipment — 12.3%
2015	10	86.2%	65	56,542	Tyres — 26.2%
2016	11	84.3%	70	59,970	Tyres — 11.4%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes Sl500 Auto, with age trends.

Tyres

12.6%

— Consistent

Lamps, Reflectors and Electrical Equipment

7.3%

↑ Increases with age

Suspension

7.2%

↑ Increases with age

Brakes

6.1%

— Consistent

Road Wheels

2.8%

— 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	1.4% (4 yrs)	10.0% (11 yrs)	+8.6%	🔴 ↑
Brakes	2.8% (4 yrs)	5.7% (11 yrs)	+2.9%	🔴 ↑
Tyres	11.1% (4 yrs)	11.4% (11 yrs)	+0.3%	⚪ —
Road Wheels	2.8% (4 yrs)	2.9% (11 yrs)	+0.1%	⚪ —

Other Manufacture Years

1995 1999 2002 2003 2004 2005 2006 2007

← Back to Mercedes Sl500 Auto overview

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 2005 perform at MOT as they age. Data spans from 2009 to 2016, covering 562 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.