2004 Mercedes S 55 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

72.7%

Latest Pass Rate

276

Total Tests (All Years)

89,925 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 72.7%

Average: 54.3%

✅ 18.4% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes S 55 as it ages.

5 yrs89.2%

→ ↓5.9%

6 yrs83.3%

→ ↑0.9%

7 yrs84.2%

→ ↓9.9%

8 yrs74.3%

→ ↑3.1%

9 yrs77.4%

→ ↑2.0%

10 yrs79.4%

→ ↑17.5%

11 yrs96.9%

→ ↓24.2%

12 yrs72.7%

📊 View as table

Age	Pass Rate	Tests
5 yrs	89.2%	37
6 yrs	83.3%	36
7 yrs	84.2%	38
8 yrs	74.3%	35
9 yrs	77.4%	31
10 yrs	79.4%	34
11 yrs	96.9%	32
12 yrs	72.7%	33

Pass Rate Trend

How the 2004 Mercedes S 55 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (12 yrs)	72.7%	33
2015 (11 yrs)	96.9%	32
2014 (10 yrs)	79.4%	34
2013 (9 yrs)	77.4%	31
2012 (8 yrs)	74.3%	35
2011 (7 yrs)	84.2%	38
2010 (6 yrs)	83.3%	36
2009 (5 yrs)	89.2%	37

Year-by-Year MOT Results

2009

89.2%

Age (yrs) 5Tests 37Avg Mileage 55,218Top Failure Tyres — 8.1%

2010

83.3%

Age (yrs) 6Tests 36Avg Mileage 59,547Top Failure Suspension — 8.3%

2011

84.2%

Age (yrs) 7Tests 38Avg Mileage 64,066Top Failure Lamps, Reflectors and Electrical Equipment — 10.5%

2012

74.3%

Age (yrs) 8Tests 35Avg Mileage 66,082Top Failure Tyres — 20.0%

2013

77.4%

Age (yrs) 9Tests 31Avg Mileage 72,990Top Failure Brakes — 22.6%

2014

79.4%

Age (yrs) 10Tests 34Avg Mileage 80,004Top Failure Suspension — 26.5%

2015

96.9%

Age (yrs) 11Tests 32Avg Mileage 79,528Top Failure Tyres — 6.3%

2016

72.7%

Age (yrs) 12Tests 33Avg Mileage 89,925Top Failure Tyres — 30.3%

MOT results for 2004 Mercedes S 55 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	89.2%	37	55,218	Tyres — 8.1%
2010	6	83.3%	36	59,547	Suspension — 8.3%
2011	7	84.2%	38	64,066	Lamps, Reflectors and Electrical Equipment — 10.5%
2012	8	74.3%	35	66,082	Tyres — 20.0%
2013	9	77.4%	31	72,990	Brakes — 22.6%
2014	10	79.4%	34	80,004	Suspension — 26.5%
2015	11	96.9%	32	79,528	Tyres — 6.3%
2016	12	72.7%	33	89,925	Tyres — 30.3%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes S 55, with age trends.

Tyres

12.9%

↑ Increases with age

Brakes

12.0%

↑ Increases with age

Suspension

11.2%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

10.4%

↑ Increases with age

Registration Plates and VIN

5.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Tyres	8.1% (5 yrs)	30.3% (12 yrs)	+22.2%	🔴 ↑
Suspension	5.4% (5 yrs)	15.2% (12 yrs)	+9.8%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	5.4% (5 yrs)	12.1% (12 yrs)	+6.7%	🔴 ↑
Driver's View of the Road	2.7% (5 yrs)	9.1% (12 yrs)	+6.4%	🔴 ↑

Other Manufacture Years

2001 2002 2003 2004

← Back to Mercedes S 55 overview

Looking for the best year to buy? See the full comparison on the Mercedes S 55 page →

About This Data

This page shows how Mercedes S 55 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2016, covering 276 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.