2005 Mercedes Sl 55 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

87.5%

Latest Pass Rate

1,467

Total Tests (All Years)

63,118 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 87.5%

Average: 52.4%

✅ 35.1% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes Sl 55 as it ages.

4 yrs86.4%

→ ↓1.7%

5 yrs84.7%

→ ↓1.9%

6 yrs82.8%

→ ↑0.4%

7 yrs83.2%

→ ↓1.4%

8 yrs81.8%

→ ↓0.2%

9 yrs81.6%

→ ↑1.1%

10 yrs82.7%

→ ↓0.8%

11 yrs81.9%

→ ↑5.8%

12 yrs87.7%

→ ↓5.6%

13 yrs82.1%

→ ↑3.3%

14 yrs85.4%

→ ↑2.1%

15 yrs87.5%

📊 View as table

Age	Pass Rate	Tests
4 yrs	86.4%	162
5 yrs	84.7%	157
6 yrs	82.8%	163
7 yrs	83.2%	155
8 yrs	81.8%	159
9 yrs	81.6%	152
10 yrs	82.7%	150
11 yrs	81.9%	144
12 yrs	87.7%	73
13 yrs	82.1%	56
14 yrs	85.4%	48
15 yrs	87.5%	48

Pass Rate Trend

How the 2005 Mercedes Sl 55 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	87.5%	48
2019 (14 yrs)	85.4%	48
2018 (13 yrs)	82.1%	56
2017 (12 yrs)	87.7%	73
2016 (11 yrs)	81.9%	144
2015 (10 yrs)	82.7%	150
2014 (9 yrs)	81.6%	152
2013 (8 yrs)	81.8%	159
2012 (7 yrs)	83.2%	155
2011 (6 yrs)	82.8%	163
2010 (5 yrs)	84.7%	157
2009 (4 yrs)	86.4%	162

Year-by-Year MOT Results

2009

86.4%

Age (yrs) 4Tests 162Avg Mileage 28,857Top Failure Tyres — 6.8%

2010

84.7%

Age (yrs) 5Tests 157Avg Mileage 33,324Top Failure Tyres — 7.0%

2011

82.8%

Age (yrs) 6Tests 163Avg Mileage 39,793Top Failure Tyres — 8.6%

2012

83.2%

Age (yrs) 7Tests 155Avg Mileage 42,329Top Failure Tyres — 8.4%

2013

81.8%

Age (yrs) 8Tests 159Avg Mileage 51,221Top Failure Tyres — 11.9%

2014

81.6%

Age (yrs) 9Tests 152Avg Mileage 49,350Top Failure Tyres — 15.1%

2015

82.7%

Age (yrs) 10Tests 150Avg Mileage 57,753Top Failure Suspension — 13.3%

2016

81.9%

Age (yrs) 11Tests 144Avg Mileage 57,781Top Failure Brakes — 15.3%

2017

87.7%

Age (yrs) 12Tests 73Avg Mileage 58,610Top Failure Tyres — 13.7%

2018

82.1%

Age (yrs) 13Tests 56Avg Mileage 61,097Top Failure Suspension — 26.8%

2019

85.4%

Age (yrs) 14Tests 48Avg Mileage 65,620Top Failure Suspension — 18.8%

2020

87.5%

Age (yrs) 15Tests 48Avg Mileage 63,118Top Failure Brakes — 10.4%

MOT results for 2005 Mercedes Sl 55 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	86.4%	162	28,857	Tyres — 6.8%
2010	5	84.7%	157	33,324	Tyres — 7.0%
2011	6	82.8%	163	39,793	Tyres — 8.6%
2012	7	83.2%	155	42,329	Tyres — 8.4%
2013	8	81.8%	159	51,221	Tyres — 11.9%
2014	9	81.6%	152	49,350	Tyres — 15.1%
2015	10	82.7%	150	57,753	Suspension — 13.3%
2016	11	81.9%	144	57,781	Brakes — 15.3%
2017	12	87.7%	73	58,610	Tyres — 13.7%
2018	13	82.1%	56	61,097	Suspension — 26.8%
2019	14	85.4%	48	65,620	Suspension — 18.8%
2020	15	87.5%	48	63,118	Brakes — 10.4%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes Sl 55, with age trends.

Suspension

10.7%

↑ Increases with age

Tyres

10.1%

— Consistent

Brakes

7.6%

↑ Increases with age

Identification of the vehicle

7.3%

— Consistent

Noise, emissions and leaks

7.3%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	1.9% (4 yrs)	10.4% (15 yrs)	+8.5%	🔴 ↑
Suspension	1.9% (4 yrs)	10.4% (15 yrs)	+8.5%	🔴 ↑
Tyres	6.8% (4 yrs)	4.2% (15 yrs)	-2.6%	🟢 ↓

Other Manufacture Years

2002 2003 2004 2005 2006 2007

← Back to Mercedes Sl 55 overview

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About This Data

This page shows how Mercedes Sl 55 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,467 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.