2005 Mercedes S 350 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

64.8%

Latest Pass Rate

1,548

Total Tests (All Years)

112,146 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 64.8%

Average: 52.4%

✅ 12.4% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes S 350 as it ages.

4 yrs80.0%

→ ↓0.5%

5 yrs79.5%

→ ↑4.4%

6 yrs83.9%

→ ↓10.8%

7 yrs73.1%

→ ↓2.2%

8 yrs70.9%

→ ↑5.6%

9 yrs76.5%

→ ↓1.8%

10 yrs74.7%

→ ↓3.7%

11 yrs71.0%

→ ↓1.3%

12 yrs69.7%

→ ↓1.5%

13 yrs68.2%

→ ↑6.5%

14 yrs74.7%

→ ↓9.9%

15 yrs64.8%

📊 View as table

Age	Pass Rate	Tests
4 yrs	80.0%	170
5 yrs	79.5%	161
6 yrs	83.9%	155
7 yrs	73.1%	156
8 yrs	70.9%	151
9 yrs	76.5%	149
10 yrs	74.7%	150
11 yrs	71.0%	145
12 yrs	69.7%	99
13 yrs	68.2%	66
14 yrs	74.7%	75
15 yrs	64.8%	71

Pass Rate Trend

How the 2005 Mercedes S 350 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	64.8%	71
2019 (14 yrs)	74.7%	75
2018 (13 yrs)	68.2%	66
2017 (12 yrs)	69.7%	99
2016 (11 yrs)	71%	145
2015 (10 yrs)	74.7%	150
2014 (9 yrs)	76.5%	149
2013 (8 yrs)	70.9%	151
2012 (7 yrs)	73.1%	156
2011 (6 yrs)	83.9%	155
2010 (5 yrs)	79.5%	161
2009 (4 yrs)	80%	170

Year-by-Year MOT Results

2009

80.0%

Age (yrs) 4Tests 170Avg Mileage 46,807Top Failure Tyres — 12.9%

2010

79.5%

Age (yrs) 5Tests 161Avg Mileage 53,589Top Failure Tyres — 12.4%

2011

83.9%

Age (yrs) 6Tests 155Avg Mileage 60,632Top Failure Lamps, Reflectors and Electrical Equipment — 9.0%

2012

73.1%

Age (yrs) 7Tests 156Avg Mileage 65,819Top Failure Tyres — 14.1%

2013

70.9%

Age (yrs) 8Tests 151Avg Mileage 74,785Top Failure Tyres — 24.5%

2014

76.5%

Age (yrs) 9Tests 149Avg Mileage 78,852Top Failure Tyres — 24.2%

2015

74.7%

Age (yrs) 10Tests 150Avg Mileage 87,558Top Failure Brakes — 24.0%

2016

71.0%

Age (yrs) 11Tests 145Avg Mileage 89,788Top Failure Tyres — 21.4%

2017

69.7%

Age (yrs) 12Tests 99Avg Mileage 103,055Top Failure Tyres — 24.2%

2018

68.2%

Age (yrs) 13Tests 66Avg Mileage 96,399Top Failure Tyres — 27.3%

2019

74.7%

Age (yrs) 14Tests 75Avg Mileage 109,898Top Failure Lamps, reflectors and electrical equipment — 26.7%

2020High Fail Rate

64.8%

Age (yrs) 15Tests 71Avg Mileage 112,146Top Failure Brakes — 39.4%

MOT results for 2005 Mercedes S 350 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	80.0%	170	46,807	Tyres — 12.9%
2010	5	79.5%	161	53,589	Tyres — 12.4%
2011	6	83.9%	155	60,632	Lamps, Reflectors and Electrical Equipment — 9.0%
2012	7	73.1%	156	65,819	Tyres — 14.1%
2013	8	70.9%	151	74,785	Tyres — 24.5%
2014	9	76.5%	149	78,852	Tyres — 24.2%
2015	10	74.7%	150	87,558	Brakes — 24.0%
2016	11	71.0%	145	89,788	Tyres — 21.4%
2017	12	69.7%	99	103,055	Tyres — 24.2%
2018	13	68.2%	66	96,399	Tyres — 27.3%
2019	14	74.7%	75	109,898	Lamps, reflectors and electrical equipment — 26.7%
2020	15	64.8%	71	112,146	Brakes — 39.4%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes S 350, with age trends.

Lamps, reflectors and electrical equipment

28.9%

↑ Increases with age

Tyres

18.9%

— Consistent

Brakes

16.9%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

14.0%

↑ Increases with age

Suspension

12.7%

↑ Increases 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	7.6% (4 yrs)	39.4% (15 yrs)	+31.8%	🔴 ↑
Suspension	0.6% (4 yrs)	31.0% (15 yrs)	+30.4%	🔴 ↑
Tyres	12.9% (4 yrs)	15.5% (15 yrs)	+2.6%	🔴 ↑

Other Manufacture Years

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

← Back to Mercedes S 350 overview

Looking for the best year to buy? See the full comparison on the Mercedes S 350 page →

About This Data

This page shows how Mercedes S 350 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,548 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.