1994 Mercedes Sl 320 — MOT History by Age

How cars manufactured in 1994 perform at MOT as they age

32 years

Current Age

81.5%

Latest Pass Rate

2,832

Total Tests (All Years)

97,540 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1994 Mercedes Sl 320 as it ages.

15 yrs73.5%

→ ↑0.4%

16 yrs73.9%

→ ↑1.1%

17 yrs75.0%

→ ↑0.3%

18 yrs75.3%

→ ↓1.7%

19 yrs73.6%

→ ↓1.2%

20 yrs72.4%

→ ↓0.0%

21 yrs72.4%

→ ↑4.5%

22 yrs76.9%

→ ↑1.2%

23 yrs78.1%

→ ↓3.1%

24 yrs75.0%

→ ↑7.4%

25 yrs82.4%

→ ↓0.9%

26 yrs81.5%

📊 View as table

Age	Pass Rate	Tests
15 yrs	73.5%	324
16 yrs	73.9%	295
17 yrs	75.0%	300
18 yrs	75.3%	263
19 yrs	73.6%	265
20 yrs	72.4%	250
21 yrs	72.4%	250
22 yrs	76.9%	234
23 yrs	78.1%	219
24 yrs	75.0%	144
25 yrs	82.4%	153
26 yrs	81.5%	135

Pass Rate Trend

How the 1994 Mercedes Sl 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (26 yrs)	81.5%	135
2019 (25 yrs)	82.4%	153
2018 (24 yrs)	75%	144
2017 (23 yrs)	78.1%	219
2016 (22 yrs)	76.9%	234
2015 (21 yrs)	72.4%	250
2014 (20 yrs)	72.4%	250
2013 (19 yrs)	73.6%	265
2012 (18 yrs)	75.3%	263
2011 (17 yrs)	75%	300
2010 (16 yrs)	73.9%	295
2009 (15 yrs)	73.5%	324

Year-by-Year MOT Results

2009

73.5%

Age (yrs) 15Tests 324Avg Mileage 85,743Top Failure Tyres — 13.3%

2010

73.9%

Age (yrs) 16Tests 295Avg Mileage 88,486Top Failure Lamps, Reflectors and Electrical Equipment — 11.5%

2011

75.0%

Age (yrs) 17Tests 300Avg Mileage 92,453Top Failure Lamps, Reflectors and Electrical Equipment — 11.3%

2012

75.3%

Age (yrs) 18Tests 263Avg Mileage 92,843Top Failure Brakes — 13.3%

2013

73.6%

Age (yrs) 19Tests 265Avg Mileage 93,515Top Failure Brakes — 26.0%

2014

72.4%

Age (yrs) 20Tests 250Avg Mileage 93,720Top Failure Brakes — 30.8%

2015

72.4%

Age (yrs) 21Tests 250Avg Mileage 96,899Top Failure Brakes — 32.4%

2016

76.9%

Age (yrs) 22Tests 234Avg Mileage 97,505Top Failure Brakes — 22.6%

2017

78.1%

Age (yrs) 23Tests 219Avg Mileage 97,528Top Failure Brakes — 18.3%

2018

75.0%

Age (yrs) 24Tests 144Avg Mileage 97,810Top Failure Suspension — 25.7%

2019

82.4%

Age (yrs) 25Tests 153Avg Mileage 93,932Top Failure Brakes — 23.5%

2020

81.5%

Age (yrs) 26Tests 135Avg Mileage 97,540Top Failure Brakes — 25.9%

MOT results for 1994 Mercedes Sl 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	15	73.5%	324	85,743	Tyres — 13.3%
2010	16	73.9%	295	88,486	Lamps, Reflectors and Electrical Equipment — 11.5%
2011	17	75.0%	300	92,453	Lamps, Reflectors and Electrical Equipment — 11.3%
2012	18	75.3%	263	92,843	Brakes — 13.3%
2013	19	73.6%	265	93,515	Brakes — 26.0%
2014	20	72.4%	250	93,720	Brakes — 30.8%
2015	21	72.4%	250	96,899	Brakes — 32.4%
2016	22	76.9%	234	97,505	Brakes — 22.6%
2017	23	78.1%	219	97,528	Brakes — 18.3%
2018	24	75.0%	144	97,810	Suspension — 25.7%
2019	25	82.4%	153	93,932	Brakes — 23.5%
2020	26	81.5%	135	97,540	Brakes — 25.9%

Common MOT Failures

Top failure categories across all test years for 1994 Mercedes Sl 320, with age trends.

Brakes

20.5%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

15.2%

— Consistent

Lamps, reflectors and electrical equipment

14.6%

↑ Increases with age

Suspension

13.7%

↑ Increases with age

Noise, emissions and leaks

12.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	7.1% (15 yrs)	22.2% (26 yrs)	+15.1%	🔴 ↑
Brakes	13.0% (15 yrs)	25.9% (26 yrs)	+12.9%	🔴 ↑
Tyres	13.3% (15 yrs)	5.2% (26 yrs)	-8.1%	🟢 ↓

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 1994 perform at MOT as they age. Data spans from 2009 to 2020, covering 2,832 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.