1991 Mercedes 300 Ce — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

66.9%

Latest Pass Rate

1,595

Total Tests (All Years)

138,731 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 1991 Mercedes 300 Ce as it ages.

18 yrs55.6%

→ ↑5.7%

19 yrs61.3%

→ ↑6.0%

20 yrs67.3%

→ ↓7.4%

21 yrs59.9%

→ ↓5.8%

22 yrs54.1%

→ ↑3.6%

23 yrs57.7%

→ ↑9.9%

24 yrs67.6%

→ ↓0.7%

25 yrs66.9%

📊 View as table

Age	Pass Rate	Tests
18 yrs	55.6%	304
19 yrs	61.3%	282
20 yrs	67.3%	226
21 yrs	59.9%	192
22 yrs	54.1%	172
23 yrs	57.7%	156
24 yrs	67.6%	139
25 yrs	66.9%	124

Pass Rate Trend

How the 1991 Mercedes 300 Ce pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (25 yrs)	66.9%	124
2015 (24 yrs)	67.6%	139
2014 (23 yrs)	57.7%	156
2013 (22 yrs)	54.1%	172
2012 (21 yrs)	59.9%	192
2011 (20 yrs)	67.3%	226
2010 (19 yrs)	61.3%	282
2009 (18 yrs)	55.6%	304

Year-by-Year MOT Results

2009High Fail Rate

55.6%

Age (yrs) 18Tests 304Avg Mileage 134,853Top Failure Brakes — 26.0%

2010High Fail Rate

61.3%

Age (yrs) 19Tests 282Avg Mileage 141,063Top Failure Brakes — 23.4%

2011

67.3%

Age (yrs) 20Tests 226Avg Mileage 138,003Top Failure Brakes — 18.6%

2012High Fail Rate

59.9%

Age (yrs) 21Tests 192Avg Mileage 137,808Top Failure Brakes — 19.8%

2013High Fail Rate

54.1%

Age (yrs) 22Tests 172Avg Mileage 133,933Top Failure Lamps, Reflectors and Electrical Equipment — 55.8%

2014High Fail Rate

57.7%

Age (yrs) 23Tests 156Avg Mileage 137,396Top Failure Lamps, Reflectors and Electrical Equipment — 67.9%

2015

67.6%

Age (yrs) 24Tests 139Avg Mileage 133,202Top Failure Brakes — 40.3%

2016

66.9%

Age (yrs) 25Tests 124Avg Mileage 138,731Top Failure Brakes — 36.3%

MOT results for 1991 Mercedes 300 Ce by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	55.6%	304	134,853	Brakes — 26.0%
2010	19	61.3%	282	141,063	Brakes — 23.4%
2011	20	67.3%	226	138,003	Brakes — 18.6%
2012	21	59.9%	192	137,808	Brakes — 19.8%
2013	22	54.1%	172	133,933	Lamps, Reflectors and Electrical Equipment — 55.8%
2014	23	57.7%	156	137,396	Lamps, Reflectors and Electrical Equipment — 67.9%
2015	24	67.6%	139	133,202	Brakes — 40.3%
2016	25	66.9%	124	138,731	Brakes — 36.3%

Common MOT Failures

Top failure categories across all test years for 1991 Mercedes 300 Ce, with age trends.

Lamps, Reflectors and Electrical Equipment

34.6%

↑ Increases with age

Brakes

33.3%

↑ Increases with age

Suspension

24.7%

↑ Increases with age

Body, Structure and General Items

19.5%

↓ Decreases with age

Tyres

16.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	26.0% (18 yrs)	36.3% (25 yrs)	+10.3%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	24.0% (18 yrs)	33.9% (25 yrs)	+9.9%	🔴 ↑
Suspension	16.8% (18 yrs)	24.2% (25 yrs)	+7.4%	🔴 ↑

Other Manufacture Years

1988 1989 1990 1991 1992 1993

← Back to Mercedes 300 Ce overview

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

About This Data

This page shows how Mercedes 300 Ce cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2016, covering 1,595 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.