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2004 Mercedes Sl 600 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years
Current Age
81.8%
Latest Pass Rate
380
Total Tests (All Years)
54,558 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 81.8%
Average: 54.3%

✅ 27.5% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes Sl 600 as it ages.

5 yrs84.0%
6 yrs79.2%
7 yrs80.0%
8 yrs89.6%
9 yrs91.8%
10 yrs75.0%
11 yrs87.2%
12 yrs81.8%

Bar chart showing pass rate by car age from 5 to 12 years

Fail Rate %
📊 View as table
AgePass RateTests
5 yrs84.0%50
6 yrs79.2%48
7 yrs80.0%50
8 yrs89.6%48
9 yrs91.8%49
10 yrs75.0%44
11 yrs87.2%47
12 yrs81.8%44

Pass Rate Trend

How the 2004 Mercedes Sl 600 pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 8 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2016 (12 yrs)81.8%44
2015 (11 yrs)87.2%47
2014 (10 yrs)75%44
2013 (9 yrs)91.8%49
2012 (8 yrs)89.6%48
2011 (7 yrs)80%50
2010 (6 yrs)79.2%48
2009 (5 yrs)84%50

Year-by-Year MOT Results

2009
84.0%
Age (yrs) 5Tests 50Avg Mileage 36,681Top Failure Suspension — 6.0%
2010
79.2%
Age (yrs) 6Tests 48Avg Mileage 36,539Top Failure Lamps, Reflectors and Electrical Equipment — 8.3%
2011
80.0%
Age (yrs) 7Tests 50Avg Mileage 43,216Top Failure Tyres — 10.0%
2012
89.6%
Age (yrs) 8Tests 48Avg Mileage 45,952Top Failure Tyres — 8.3%
2013
91.8%
Age (yrs) 9Tests 49Avg Mileage 45,780Top Failure Suspension — 8.2%
2014
75.0%
Age (yrs) 10Tests 44Avg Mileage 50,403Top Failure Brakes — 29.5%
2015
87.2%
Age (yrs) 11Tests 47Avg Mileage 53,751Top Failure Brakes — 19.1%
2016
81.8%
Age (yrs) 12Tests 44Avg Mileage 54,558Top Failure Suspension — 9.1%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes Sl 600, with age trends.

Brakes
9.8%
↑ Increases with age
Tyres
8.5%
— Consistent
Suspension
8.4%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
8.3%
— Consistent
Road Wheels
5.1%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes4.0% (5 yrs)9.1% (12 yrs)
+5.1%
🔴 ↑
Suspension6.0% (5 yrs)9.1% (12 yrs)
+3.1%
🔴 ↑
Lamps, Reflectors and Electrical Equipment4.0% (5 yrs)6.8% (12 yrs)
+2.8%
🔴 ↑
Tyres4.0% (5 yrs)4.5% (12 yrs)
+0.5%
⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes Sl 600 page →

About This Data

This page shows how Mercedes Sl 600 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2016, covering 380 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.

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