2004 Mercedes S 500 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

74.5%

Latest Pass Rate

2,087

Total Tests (All Years)

117,090 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 74.5%

Average: 52.7%

✅ 21.8% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes S 500 as it ages.

5 yrs83.4%

→ ↓4.3%

6 yrs79.1%

→ ↓0.8%

7 yrs78.3%

→ ↓4.6%

8 yrs73.7%

→ ↓0.8%

9 yrs72.9%

→ ↓2.0%

10 yrs70.9%

→ ↑3.6%

11 yrs74.5%

→ ↓3.1%

12 yrs71.4%

→ ↑2.5%

13 yrs73.9%

→ ↓3.6%

14 yrs70.3%

→ ↓4.9%

15 yrs65.4%

→ ↑9.1%

16 yrs74.5%

📊 View as table

Age	Pass Rate	Tests
5 yrs	83.4%	217
6 yrs	79.1%	215
7 yrs	78.3%	217
8 yrs	73.7%	205
9 yrs	72.9%	203
10 yrs	70.9%	203
11 yrs	74.5%	188
12 yrs	71.4%	185
13 yrs	73.9%	165
14 yrs	70.3%	91
15 yrs	65.4%	104
16 yrs	74.5%	94

Pass Rate Trend

How the 2004 Mercedes S 500 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	74.5%	94
2019 (15 yrs)	65.4%	104
2018 (14 yrs)	70.3%	91
2017 (13 yrs)	73.9%	165
2016 (12 yrs)	71.4%	185
2015 (11 yrs)	74.5%	188
2014 (10 yrs)	70.9%	203
2013 (9 yrs)	72.9%	203
2012 (8 yrs)	73.7%	205
2011 (7 yrs)	78.3%	217
2010 (6 yrs)	79.1%	215
2009 (5 yrs)	83.4%	217

Year-by-Year MOT Results

2009

83.4%

Age (yrs) 5Tests 217Avg Mileage 59,029Top Failure Tyres — 9.7%

2010

79.1%

Age (yrs) 6Tests 215Avg Mileage 68,324Top Failure Tyres — 12.1%

2011

78.3%

Age (yrs) 7Tests 217Avg Mileage 76,128Top Failure Lamps, Reflectors and Electrical Equipment — 9.7%

2012

73.7%

Age (yrs) 8Tests 205Avg Mileage 82,147Top Failure Tyres — 13.7%

2013

72.9%

Age (yrs) 9Tests 203Avg Mileage 91,058Top Failure Brakes — 27.1%

2014

70.9%

Age (yrs) 10Tests 203Avg Mileage 95,725Top Failure Tyres — 27.1%

2015

74.5%

Age (yrs) 11Tests 188Avg Mileage 102,636Top Failure Brakes — 24.5%

2016

71.4%

Age (yrs) 12Tests 185Avg Mileage 106,544Top Failure Tyres — 30.8%

2017

73.9%

Age (yrs) 13Tests 165Avg Mileage 108,371Top Failure Tyres — 29.7%

2018

70.3%

Age (yrs) 14Tests 91Avg Mileage 105,768Top Failure Brakes — 42.9%

2019

65.4%

Age (yrs) 15Tests 104Avg Mileage 111,615Top Failure Brakes — 38.5%

2020

74.5%

Age (yrs) 16Tests 94Avg Mileage 117,090Top Failure Brakes — 34.0%

MOT results for 2004 Mercedes S 500 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	83.4%	217	59,029	Tyres — 9.7%
2010	6	79.1%	215	68,324	Tyres — 12.1%
2011	7	78.3%	217	76,128	Lamps, Reflectors and Electrical Equipment — 9.7%
2012	8	73.7%	205	82,147	Tyres — 13.7%
2013	9	72.9%	203	91,058	Brakes — 27.1%
2014	10	70.9%	203	95,725	Tyres — 27.1%
2015	11	74.5%	188	102,636	Brakes — 24.5%
2016	12	71.4%	185	106,544	Tyres — 30.8%
2017	13	73.9%	165	108,371	Tyres — 29.7%
2018	14	70.3%	91	105,768	Brakes — 42.9%
2019	15	65.4%	104	111,615	Brakes — 38.5%
2020	16	74.5%	94	117,090	Brakes — 34.0%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes S 500, with age trends.

Brakes

23.0%

↑ Increases with age

Tyres

21.8%

↑ Increases with age

Lamps, reflectors and electrical equipment

15.7%

↑ Increases with age

Suspension

14.3%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

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	5.1% (5 yrs)	34.0% (16 yrs)	+28.9%	🔴 ↑
Suspension	2.8% (5 yrs)	25.5% (16 yrs)	+22.7%	🔴 ↑
Tyres	9.7% (5 yrs)	30.9% (16 yrs)	+21.2%	🔴 ↑

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 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 2,087 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.