2001 Mercedes Sl 320 — MOT History by Age

How cars manufactured in 2001 perform at MOT as they age

25 years

Current Age

82.7%

Latest Pass Rate

2,670

Total Tests (All Years)

76,970 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 82.7%

Average: 55.4%

✅ 27.3% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 2001 Mercedes Sl 320 as it ages.

8 yrs78.7%

→ ↓0.0%

9 yrs78.7%

→ ↑3.3%

10 yrs82.0%

→ ↓4.6%

11 yrs77.4%

→ ↑4.4%

12 yrs81.8%

→ ↓0.3%

13 yrs81.5%

→ ↓3.3%

14 yrs78.2%

→ ↑4.6%

15 yrs82.8%

→ ↓3.1%

16 yrs79.7%

→ ↑6.3%

17 yrs86.0%

→ ↓3.8%

18 yrs82.2%

→ ↑0.5%

19 yrs82.7%

📊 View as table

Age	Pass Rate	Tests
8 yrs	78.7%	263
9 yrs	78.7%	244
10 yrs	82.0%	250
11 yrs	77.4%	257
12 yrs	81.8%	242
13 yrs	81.5%	238
14 yrs	78.2%	239
15 yrs	82.8%	239
16 yrs	79.7%	217
17 yrs	86.0%	150
18 yrs	82.2%	169
19 yrs	82.7%	162

Pass Rate Trend

How the 2001 Mercedes Sl 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (19 yrs)	82.7%	162
2019 (18 yrs)	82.2%	169
2018 (17 yrs)	86%	150
2017 (16 yrs)	79.7%	217
2016 (15 yrs)	82.8%	239
2015 (14 yrs)	78.2%	239
2014 (13 yrs)	81.5%	238
2013 (12 yrs)	81.8%	242
2012 (11 yrs)	77.4%	257
2011 (10 yrs)	82%	250
2010 (9 yrs)	78.7%	244
2009 (8 yrs)	78.7%	263

Year-by-Year MOT Results

2009

78.7%

Age (yrs) 8Tests 263Avg Mileage 49,620Top Failure Lamps, Reflectors and Electrical Equipment — 9.1%

2010

78.7%

Age (yrs) 9Tests 244Avg Mileage 55,177Top Failure Lamps, Reflectors and Electrical Equipment — 10.2%

2011

82.0%

Age (yrs) 10Tests 250Avg Mileage 58,568Top Failure Lamps, Reflectors and Electrical Equipment — 10.0%

2012

77.4%

Age (yrs) 11Tests 257Avg Mileage 60,797Top Failure Lamps, Reflectors and Electrical Equipment — 12.1%

2013

81.8%

Age (yrs) 12Tests 242Avg Mileage 64,084Top Failure Brakes — 14.5%

2014

81.5%

Age (yrs) 13Tests 238Avg Mileage 66,617Top Failure Brakes — 16.8%

2015

78.2%

Age (yrs) 14Tests 239Avg Mileage 69,718Top Failure Brakes — 21.3%

2016

82.8%

Age (yrs) 15Tests 239Avg Mileage 69,293Top Failure Brakes — 12.1%

2017

79.7%

Age (yrs) 16Tests 217Avg Mileage 71,093Top Failure Brakes — 24.4%

2018

86.0%

Age (yrs) 17Tests 150Avg Mileage 77,488Top Failure Suspension — 21.3%

2019

82.2%

Age (yrs) 18Tests 169Avg Mileage 72,983Top Failure Lamps, reflectors and electrical equipment — 18.3%

2020

82.7%

Age (yrs) 19Tests 162Avg Mileage 76,970Top Failure Brakes — 24.1%

MOT results for 2001 Mercedes Sl 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	8	78.7%	263	49,620	Lamps, Reflectors and Electrical Equipment — 9.1%
2010	9	78.7%	244	55,177	Lamps, Reflectors and Electrical Equipment — 10.2%
2011	10	82.0%	250	58,568	Lamps, Reflectors and Electrical Equipment — 10.0%
2012	11	77.4%	257	60,797	Lamps, Reflectors and Electrical Equipment — 12.1%
2013	12	81.8%	242	64,084	Brakes — 14.5%
2014	13	81.5%	238	66,617	Brakes — 16.8%
2015	14	78.2%	239	69,718	Brakes — 21.3%
2016	15	82.8%	239	69,293	Brakes — 12.1%
2017	16	79.7%	217	71,093	Brakes — 24.4%
2018	17	86.0%	150	77,488	Suspension — 21.3%
2019	18	82.2%	169	72,983	Lamps, reflectors and electrical equipment — 18.3%
2020	19	82.7%	162	76,970	Brakes — 24.1%

Common MOT Failures

Top failure categories across all test years for 2001 Mercedes Sl 320, with age trends.

Brakes

14.2%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

12.3%

↓ Decreases with age

Lamps, reflectors and electrical equipment

11.8%

— Consistent

Suspension

10.4%

↑ Increases with age

Tyres

9.2%

↑ 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	4.6% (8 yrs)	24.1% (19 yrs)	+19.5%	🔴 ↑
Tyres	8.4% (8 yrs)	13.0% (19 yrs)	+4.6%	🔴 ↑

Other Manufacture Years

1993 1994 1995 1996 1997 1998 1999 2000 2001

← Back to Mercedes Sl 320 overview

Looking for the best year to buy? See the full comparison on the Mercedes Sl 320 page →

About This Data

This page shows how Mercedes Sl 320 cars manufactured in 2001 perform at MOT as they age. Data spans from 2009 to 2020, covering 2,670 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.