1992 Mercedes 300 — MOT History by Age

How cars manufactured in 1992 perform at MOT as they age

34 years

Current Age

68.1%

Latest Pass Rate

6,918

Total Tests (All Years)

108,572 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 1992 Mercedes 300 as it ages.

17 yrs63.6%

→ ↑0.9%

18 yrs64.5%

→ ↑2.9%

19 yrs67.4%

→ ↓1.4%

20 yrs66.0%

→ ↑3.1%

21 yrs69.1%

→ ↓4.7%

22 yrs64.4%

→ ↑5.2%

23 yrs69.6%

→ ↑1.6%

24 yrs71.2%

→ ↓0.5%

25 yrs70.7%

→ ↑5.2%

26 yrs75.9%

→ ↓7.1%

27 yrs68.8%

→ ↓0.7%

28 yrs68.1%

📊 View as table

Age	Pass Rate	Tests
17 yrs	63.6%	1,123
18 yrs	64.5%	992
19 yrs	67.4%	912
20 yrs	66.0%	808
21 yrs	69.1%	700
22 yrs	64.4%	666
23 yrs	69.6%	606
24 yrs	71.2%	577
25 yrs	70.7%	174
26 yrs	75.9%	141
27 yrs	68.8%	128
28 yrs	68.1%	91

Pass Rate Trend

How the 1992 Mercedes 300 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (28 yrs)	68.1%	91
2019 (27 yrs)	68.8%	128
2018 (26 yrs)	75.9%	141
2017 (25 yrs)	70.7%	174
2016 (24 yrs)	71.2%	577
2015 (23 yrs)	69.6%	606
2014 (22 yrs)	64.4%	666
2013 (21 yrs)	69.1%	700
2012 (20 yrs)	66%	808
2011 (19 yrs)	67.4%	912
2010 (18 yrs)	64.5%	992
2009 (17 yrs)	63.6%	1,123

Year-by-Year MOT Results

2009High Fail Rate

63.6%

Age (yrs) 17Tests 1,123Avg Mileage 122,216Top Failure Brakes — 19.7%

2010High Fail Rate

64.5%

Age (yrs) 18Tests 992Avg Mileage 122,878Top Failure Brakes — 18.9%

2011

67.4%

Age (yrs) 19Tests 912Avg Mileage 118,242Top Failure Brakes — 18.1%

2012

66.0%

Age (yrs) 20Tests 808Avg Mileage 117,832Top Failure Brakes — 18.7%

2013

69.1%

Age (yrs) 21Tests 700Avg Mileage 113,329Top Failure Suspension — 35.0%

2014High Fail Rate

64.4%

Age (yrs) 22Tests 666Avg Mileage 111,893Top Failure Brakes — 42.9%

2015

69.6%

Age (yrs) 23Tests 606Avg Mileage 109,791Top Failure Brakes — 45.7%

2016

71.2%

Age (yrs) 24Tests 577Avg Mileage 109,435Top Failure Brakes — 33.3%

2017

70.7%

Age (yrs) 25Tests 174Avg Mileage 108,327Top Failure Brakes — 46.0%

2018

75.9%

Age (yrs) 26Tests 141Avg Mileage 111,263Top Failure Brakes — 39.0%

2019

68.8%

Age (yrs) 27Tests 128Avg Mileage 112,429Top Failure Suspension — 35.2%

2020

68.1%

Age (yrs) 28Tests 91Avg Mileage 108,572Top Failure Suspension — 31.9%

MOT results for 1992 Mercedes 300 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	17	63.6%	1,123	122,216	Brakes — 19.7%
2010	18	64.5%	992	122,878	Brakes — 18.9%
2011	19	67.4%	912	118,242	Brakes — 18.1%
2012	20	66.0%	808	117,832	Brakes — 18.7%
2013	21	69.1%	700	113,329	Suspension — 35.0%
2014	22	64.4%	666	111,893	Brakes — 42.9%
2015	23	69.6%	606	109,791	Brakes — 45.7%
2016	24	71.2%	577	109,435	Brakes — 33.3%
2017	25	70.7%	174	108,327	Brakes — 46.0%
2018	26	75.9%	141	111,263	Brakes — 39.0%
2019	27	68.8%	128	112,429	Suspension — 35.2%
2020	28	68.1%	91	108,572	Suspension — 31.9%

Common MOT Failures

Top failure categories across all test years for 1992 Mercedes 300, with age trends.

Brakes

31.1%

↑ Increases with age

Suspension

24.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

24.2%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

23.8%

↑ Increases with age

Body, chassis, structure

15.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	13.9% (17 yrs)	31.9% (28 yrs)	+18.0%	🔴 ↑
Brakes	19.7% (17 yrs)	30.8% (28 yrs)	+11.1%	🔴 ↑
Tyres	10.7% (17 yrs)	20.9% (28 yrs)	+10.2%	🔴 ↑

Other Manufacture Years

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1998 1999

← Back to Mercedes 300 overview

Looking for the best year to buy? See the full comparison on the Mercedes 300 page →

About This Data

This page shows how Mercedes 300 cars manufactured in 1992 perform at MOT as they age. Data spans from 2009 to 2020, covering 6,918 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.