2005 Mercedes Sl 500 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

86.7%

Latest Pass Rate

2,921

Total Tests (All Years)

67,146 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 86.7%

Average: 52.4%

✅ 34.3% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes Sl 500 as it ages.

4 yrs87.4%

→ ↑2.5%

5 yrs89.9%

→ ↓8.4%

6 yrs81.5%

→ ↑1.1%

7 yrs82.6%

→ ↑1.6%

8 yrs84.2%

→ ↓4.1%

9 yrs80.1%

→ ↑3.1%

10 yrs83.2%

→ ↑3.4%

11 yrs86.6%

→ ↓2.2%

12 yrs84.4%

→ ↓4.9%

13 yrs79.5%

→ ↑3.3%

14 yrs82.8%

→ ↑3.9%

15 yrs86.7%

📊 View as table

Age	Pass Rate	Tests
4 yrs	87.4%	269
5 yrs	89.9%	277
6 yrs	81.5%	265
7 yrs	82.6%	281
8 yrs	84.2%	272
9 yrs	80.1%	272
10 yrs	83.2%	262
11 yrs	86.6%	254
12 yrs	84.4%	243
13 yrs	79.5%	166
14 yrs	82.8%	180
15 yrs	86.7%	180

Pass Rate Trend

How the 2005 Mercedes Sl 500 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	86.7%	180
2019 (14 yrs)	82.8%	180
2018 (13 yrs)	79.5%	166
2017 (12 yrs)	84.4%	243
2016 (11 yrs)	86.6%	254
2015 (10 yrs)	83.2%	262
2014 (9 yrs)	80.1%	272
2013 (8 yrs)	84.2%	272
2012 (7 yrs)	82.6%	281
2011 (6 yrs)	81.5%	265
2010 (5 yrs)	89.9%	277
2009 (4 yrs)	87.4%	269

Year-by-Year MOT Results

2009

87.4%

Age (yrs) 4Tests 269Avg Mileage 28,400Top Failure Tyres — 7.8%

2010

89.9%

Age (yrs) 5Tests 277Avg Mileage 34,459Top Failure Tyres — 3.6%

2011

81.5%

Age (yrs) 6Tests 265Avg Mileage 41,518Top Failure Tyres — 10.6%

2012

82.6%

Age (yrs) 7Tests 281Avg Mileage 43,593Top Failure Tyres — 10.0%

2013

84.2%

Age (yrs) 8Tests 272Avg Mileage 47,884Top Failure Tyres — 9.9%

2014

80.1%

Age (yrs) 9Tests 272Avg Mileage 54,271Top Failure Tyres — 17.6%

2015

83.2%

Age (yrs) 10Tests 262Avg Mileage 55,743Top Failure Lamps, Reflectors and Electrical Equipment — 12.2%

2016

86.6%

Age (yrs) 11Tests 254Avg Mileage 59,153Top Failure Tyres — 9.1%

2017

84.4%

Age (yrs) 12Tests 243Avg Mileage 62,320Top Failure Suspension — 13.6%

2018

79.5%

Age (yrs) 13Tests 166Avg Mileage 63,811Top Failure Tyres — 20.5%

2019

82.8%

Age (yrs) 14Tests 180Avg Mileage 66,704Top Failure Tyres — 18.9%

2020

86.7%

Age (yrs) 15Tests 180Avg Mileage 67,146Top Failure Tyres — 15.0%

MOT results for 2005 Mercedes Sl 500 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	87.4%	269	28,400	Tyres — 7.8%
2010	5	89.9%	277	34,459	Tyres — 3.6%
2011	6	81.5%	265	41,518	Tyres — 10.6%
2012	7	82.6%	281	43,593	Tyres — 10.0%
2013	8	84.2%	272	47,884	Tyres — 9.9%
2014	9	80.1%	272	54,271	Tyres — 17.6%
2015	10	83.2%	262	55,743	Lamps, Reflectors and Electrical Equipment — 12.2%
2016	11	86.6%	254	59,153	Tyres — 9.1%
2017	12	84.4%	243	62,320	Suspension — 13.6%
2018	13	79.5%	166	63,811	Tyres — 20.5%
2019	14	82.8%	180	66,704	Tyres — 18.9%
2020	15	86.7%	180	67,146	Tyres — 15.0%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes Sl 500, with age trends.

Tyres

11.7%

↑ Increases with age

Brakes

8.5%

↑ Increases with age

Suspension

7.0%

↑ Increases with age

Lamps, reflectors and electrical equipment

6.4%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

6.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	2.6% (4 yrs)	12.8% (15 yrs)	+10.2%	🔴 ↑
Tyres	7.8% (4 yrs)	15.0% (15 yrs)	+7.2%	🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes Sl 500 page →

About This Data

This page shows how Mercedes Sl 500 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 2,921 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.