1992 Mercedes-Benz 300 — MOT History by Age

How cars manufactured in 1992 perform at MOT as they age

34 years

Current Age

78.5%

Latest Pass Rate

3,688

Total Tests (All Years)

128,374 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-Benz 300 as it ages.

25 yrs68.2%

→ ↑4.1%

26 yrs72.3%

→ ↓0.5%

27 yrs71.8%

→ ↑1.0%

28 yrs72.8%

→ ↓2.3%

29 yrs70.5%

→ ↑5.8%

30 yrs76.3%

→ ↓2.5%

31 yrs73.8%

→ ↑4.7%

32 yrs78.5%

📊 View as table

Age	Pass Rate	Tests
25 yrs	68.2%	554
26 yrs	72.3%	379
27 yrs	71.8%	362
28 yrs	72.8%	312
29 yrs	70.5%	492
30 yrs	76.3%	375
31 yrs	73.8%	420
32 yrs	78.5%	794

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (32 yrs)	78.5%	794
2023 (31 yrs)	73.8%	420
2022 (30 yrs)	76.3%	375
2021 (29 yrs)	70.5%	492
2020 (28 yrs)	72.8%	312
2019 (27 yrs)	71.8%	362
2018 (26 yrs)	72.3%	379
2017 (25 yrs)	68.2%	554

Year-by-Year MOT Results

2017

68.2%

Age (yrs) 25Tests 554Avg Mileage 125,052Top Failure Brakes — 36.6%

2018

72.3%

Age (yrs) 26Tests 379Avg Mileage 119,546Top Failure Brakes — 35.4%

2019

71.8%

Age (yrs) 27Tests 362Avg Mileage 126,212Top Failure Suspension — 36.2%

2020

72.8%

Age (yrs) 28Tests 312Avg Mileage 120,724Top Failure Suspension — 36.5%

2021

70.5%

Age (yrs) 29Tests 492Avg Mileage 131,251Top Failure Suspension — 35.8%

2022

76.3%

Age (yrs) 30Tests 375Avg Mileage 131,624Top Failure Brakes — 29.3%

2023

73.8%

Age (yrs) 31Tests 420Avg Mileage 131,014Top Failure Suspension — 37.6%

2024

78.5%

Age (yrs) 32Tests 794Avg Mileage 128,374Top Failure Suspension — 28.5%

MOT results for 1992 Mercedes-Benz 300 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2017	25	68.2%	554	125,052	Brakes — 36.6%
2018	26	72.3%	379	119,546	Brakes — 35.4%
2019	27	71.8%	362	126,212	Suspension — 36.2%
2020	28	72.8%	312	120,724	Suspension — 36.5%
2021	29	70.5%	492	131,251	Suspension — 35.8%
2022	30	76.3%	375	131,624	Brakes — 29.3%
2023	31	73.8%	420	131,014	Suspension — 37.6%
2024	32	78.5%	794	128,374	Suspension — 28.5%

Common MOT Failures

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

Suspension

33.8%

↓ Decreases with age

Brakes

32.2%

↓ Decreases with age

Lamps, reflectors and electrical equipment

23.3%

— Consistent

Lamps, Reflectors and Electrical Equipment

21.1%

↓ Decreases with age

Noise, emissions and leaks

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
Brakes	36.6% (25 yrs)	27.3% (32 yrs)	-9.3%	🟢 ↓
Suspension	35.2% (25 yrs)	28.5% (32 yrs)	-6.7%	🟢 ↓
Tyres	15.0% (25 yrs)	15.9% (32 yrs)	+0.9%	⚪ —

Other Manufacture Years

1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994

← Back to Mercedes-Benz 300 overview

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

About This Data

This page shows how Mercedes-Benz 300 cars manufactured in 1992 perform at MOT as they age. Data spans from 2017 to 2024, covering 3,688 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.