2006 Mercedes Sl 350 — MOT History by Age

How cars manufactured in 2006 perform at MOT as they age

20 years

Current Age

81.7%

Latest Pass Rate

5,671

Total Tests (All Years)

71,578 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 14

This car: 81.7%

Average: 52.5%

✅ 29.2% above average (12051 models compared)

How This Car Ages

Pass rate progression for the 2006 Mercedes Sl 350 as it ages.

3 yrs88.2%

→ ↑0.5%

4 yrs88.7%

→ ↓0.9%

5 yrs87.8%

→ ↓3.7%

6 yrs84.1%

→ ↑0.2%

7 yrs84.3%

→ ↓4.4%

8 yrs79.9%

→ ↑1.4%

9 yrs81.3%

→ ↑0.3%

10 yrs81.6%

→ ↓1.4%

11 yrs80.2%

→ ↓0.3%

12 yrs79.9%

→ ↑1.7%

13 yrs81.6%

→ ↑0.1%

14 yrs81.7%

📊 View as table

Age	Pass Rate	Tests
3 yrs	88.2%	583
4 yrs	88.7%	566
5 yrs	87.8%	576
6 yrs	84.1%	566
7 yrs	84.3%	568
8 yrs	79.9%	577
9 yrs	81.3%	556
10 yrs	81.6%	550
11 yrs	80.2%	368
12 yrs	79.9%	254
13 yrs	81.6%	256
14 yrs	81.7%	251

Pass Rate Trend

How the 2006 Mercedes Sl 350 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (14 yrs)	81.7%	251
2019 (13 yrs)	81.6%	256
2018 (12 yrs)	79.9%	254
2017 (11 yrs)	80.2%	368
2016 (10 yrs)	81.6%	550
2015 (9 yrs)	81.3%	556
2014 (8 yrs)	79.9%	577
2013 (7 yrs)	84.3%	568
2012 (6 yrs)	84.1%	566
2011 (5 yrs)	87.8%	576
2010 (4 yrs)	88.7%	566
2009 (3 yrs)	88.2%	583

Year-by-Year MOT Results

2009

88.2%

Age (yrs) 3Tests 583Avg Mileage 22,875Top Failure Tyres — 6.3%

2010

88.7%

Age (yrs) 4Tests 566Avg Mileage 28,755Top Failure Tyres — 7.2%

2011

87.8%

Age (yrs) 5Tests 576Avg Mileage 34,774Top Failure Tyres — 6.1%

2012

84.1%

Age (yrs) 6Tests 566Avg Mileage 40,407Top Failure Tyres — 7.6%

2013

84.3%

Age (yrs) 7Tests 568Avg Mileage 45,091Top Failure Tyres — 12.0%

2014

79.9%

Age (yrs) 8Tests 577Avg Mileage 50,473Top Failure Tyres — 15.9%

2015

81.3%

Age (yrs) 9Tests 556Avg Mileage 53,993Top Failure Tyres — 12.6%

2016

81.6%

Age (yrs) 10Tests 550Avg Mileage 59,007Top Failure Tyres — 14.7%

2017

80.2%

Age (yrs) 11Tests 368Avg Mileage 62,191Top Failure Suspension — 14.7%

2018

79.9%

Age (yrs) 12Tests 254Avg Mileage 65,366Top Failure Brakes — 21.7%

2019

81.6%

Age (yrs) 13Tests 256Avg Mileage 67,084Top Failure Brakes — 18.8%

2020

81.7%

Age (yrs) 14Tests 251Avg Mileage 71,578Top Failure Tyres — 19.5%

MOT results for 2006 Mercedes Sl 350 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	3	88.2%	583	22,875	Tyres — 6.3%
2010	4	88.7%	566	28,755	Tyres — 7.2%
2011	5	87.8%	576	34,774	Tyres — 6.1%
2012	6	84.1%	566	40,407	Tyres — 7.6%
2013	7	84.3%	568	45,091	Tyres — 12.0%
2014	8	79.9%	577	50,473	Tyres — 15.9%
2015	9	81.3%	556	53,993	Tyres — 12.6%
2016	10	81.6%	550	59,007	Tyres — 14.7%
2017	11	80.2%	368	62,191	Suspension — 14.7%
2018	12	79.9%	254	65,366	Brakes — 21.7%
2019	13	81.6%	256	67,084	Brakes — 18.8%
2020	14	81.7%	251	71,578	Tyres — 19.5%

Common MOT Failures

Top failure categories across all test years for 2006 Mercedes Sl 350, with age trends.

Tyres

12.0%

↑ Increases with age

Brakes

10.1%

↑ Increases with age

Suspension

8.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

6.7%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

4.9%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	1.5% (3 yrs)	18.3% (14 yrs)	+16.8%	🔴 ↑
Tyres	6.3% (3 yrs)	19.5% (14 yrs)	+13.2%	🔴 ↑

Other Manufacture Years

1979 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012

← Back to Mercedes Sl 350 overview

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

About This Data

This page shows how Mercedes Sl 350 cars manufactured in 2006 perform at MOT as they age. Data spans from 2009 to 2020, covering 5,671 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.