2005 Mercedes S 500 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

51.3%

Latest Pass Rate

864

Total Tests (All Years)

110,730 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 14

This car: 51.3%

Average: 52.5%

⚠️ 1.2% below average (12051 models compared)

How This Car Ages

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

4 yrs80.4%

→ ↑1.2%

5 yrs81.6%

→ ↓7.6%

6 yrs74.0%

→ ↓1.4%

7 yrs72.6%

→ ↓2.4%

8 yrs70.2%

→ ↑2.1%

9 yrs72.3%

→ ↑2.4%

10 yrs74.7%

→ ↑1.2%

11 yrs75.9%

→ ↑2.1%

12 yrs78.0%

→ ↓9.7%

13 yrs68.3%

→ ↓17.0%

14 yrs51.3%

📊 View as table

Age	Pass Rate	Tests
4 yrs	80.4%	102
5 yrs	81.6%	103
6 yrs	74.0%	96
7 yrs	72.6%	95
8 yrs	70.2%	84
9 yrs	72.3%	83
10 yrs	74.7%	83
11 yrs	75.9%	79
12 yrs	78.0%	59
13 yrs	68.3%	41
14 yrs	51.3%	39

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2019 (14 yrs)	51.3%	39
2018 (13 yrs)	68.3%	41
2017 (12 yrs)	78%	59
2016 (11 yrs)	75.9%	79
2015 (10 yrs)	74.7%	83
2014 (9 yrs)	72.3%	83
2013 (8 yrs)	70.2%	84
2012 (7 yrs)	72.6%	95
2011 (6 yrs)	74%	96
2010 (5 yrs)	81.6%	103
2009 (4 yrs)	80.4%	102

Year-by-Year MOT Results

2009

80.4%

Age (yrs) 4Tests 102Avg Mileage 45,097Top Failure Tyres — 13.7%

2010

81.6%

Age (yrs) 5Tests 103Avg Mileage 56,075Top Failure Tyres — 10.7%

2011

74.0%

Age (yrs) 6Tests 96Avg Mileage 63,948Top Failure Tyres — 13.5%

2012

72.6%

Age (yrs) 7Tests 95Avg Mileage 69,305Top Failure Suspension — 11.6%

2013

70.2%

Age (yrs) 8Tests 84Avg Mileage 81,612Top Failure Brakes — 31.0%

2014

72.3%

Age (yrs) 9Tests 83Avg Mileage 82,561Top Failure Tyres — 27.7%

2015

74.7%

Age (yrs) 10Tests 83Avg Mileage 92,271Top Failure Brakes — 28.9%

2016

75.9%

Age (yrs) 11Tests 79Avg Mileage 95,311Top Failure Tyres — 25.3%

2017

78.0%

Age (yrs) 12Tests 59Avg Mileage 97,995Top Failure Brakes — 28.8%

2018

68.3%

Age (yrs) 13Tests 41Avg Mileage 101,686Top Failure Brakes — 41.5%

2019High Fail Rate

51.3%

Age (yrs) 14Tests 39Avg Mileage 110,730Top Failure Brakes — 53.8%

MOT results for 2005 Mercedes S 500 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	80.4%	102	45,097	Tyres — 13.7%
2010	5	81.6%	103	56,075	Tyres — 10.7%
2011	6	74.0%	96	63,948	Tyres — 13.5%
2012	7	72.6%	95	69,305	Suspension — 11.6%
2013	8	70.2%	84	81,612	Brakes — 31.0%
2014	9	72.3%	83	82,561	Tyres — 27.7%
2015	10	74.7%	83	92,271	Brakes — 28.9%
2016	11	75.9%	79	95,311	Tyres — 25.3%
2017	12	78.0%	59	97,995	Brakes — 28.8%
2018	13	68.3%	41	101,686	Brakes — 41.5%
2019	14	51.3%	39	110,730	Brakes — 53.8%

Common MOT Failures

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

Lamps, reflectors and electrical equipment

24.2%

↑ Increases with age

Identification of the vehicle

23.1%

— Consistent

Brakes

22.6%

↑ Increases with age

Tyres

22.1%

↑ Increases with age

Suspension

16.6%

↑ 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	5.9% (4 yrs)	53.8% (14 yrs)	+47.9%	🔴 ↑
Suspension	4.9% (4 yrs)	51.3% (14 yrs)	+46.4%	🔴 ↑
Tyres	13.7% (4 yrs)	48.7% (14 yrs)	+35.0%	🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Mercedes S 500 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2019, covering 864 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.