1997 Mercedes-Benz 312 — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years

Current Age

63.1%

Latest Pass Rate

434

Total Tests (All Years)

171,078 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 1997 Mercedes-Benz 312 as it ages.

20 yrs49.5%

→ ↑2.2%

21 yrs51.7%

→ ↓4.4%

22 yrs47.3%

→ ↑17.2%

23 yrs64.5%

→ ↓15.5%

24 yrs49.0%

→ ↑5.8%

25 yrs54.8%

→ ↓0.3%

26 yrs54.5%

→ ↑8.6%

27 yrs63.1%

📊 View as table

Age	Pass Rate	Tests
20 yrs	49.5%	91
21 yrs	51.7%	60
22 yrs	47.3%	55
23 yrs	64.5%	31
24 yrs	49.0%	49
25 yrs	54.8%	31
26 yrs	54.5%	33
27 yrs	63.1%	84

Pass Rate Trend

How the 1997 Mercedes-Benz 312 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (27 yrs)	63.1%	84
2023 (26 yrs)	54.5%	33
2022 (25 yrs)	54.8%	31
2021 (24 yrs)	49%	49
2020 (23 yrs)	64.5%	31
2019 (22 yrs)	47.3%	55
2018 (21 yrs)	51.7%	60
2017 (20 yrs)	49.5%	91

Year-by-Year MOT Results

2017High Fail Rate

49.5%

Age (yrs) 20Tests 91Avg Mileage 203,253Top Failure Brakes — 118.7%

2018High Fail Rate

51.7%

Age (yrs) 21Tests 60Avg Mileage 216,101Top Failure Brakes — 98.3%

2019High Fail Rate

47.3%

Age (yrs) 22Tests 55Avg Mileage 192,551Top Failure Suspension — 98.2%

2020High Fail Rate

64.5%

Age (yrs) 23Tests 31Avg Mileage 180,641Top Failure Brakes — 80.6%

2021High Fail Rate

49.0%

Age (yrs) 24Tests 49Avg Mileage 185,550Top Failure Brakes — 98.0%

2022High Fail Rate

54.8%

Age (yrs) 25Tests 31Avg Mileage 190,036Top Failure Brakes — 96.8%

2023High Fail Rate

54.5%

Age (yrs) 26Tests 33Avg Mileage 166,432Top Failure Brakes — 90.9%

2024High Fail Rate

63.1%

Age (yrs) 27Tests 84Avg Mileage 171,078Top Failure Brakes — 90.5%

MOT results for 1997 Mercedes-Benz 312 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2017	20	49.5%	91	203,253	Brakes — 118.7%
2018	21	51.7%	60	216,101	Brakes — 98.3%
2019	22	47.3%	55	192,551	Suspension — 98.2%
2020	23	64.5%	31	180,641	Brakes — 80.6%
2021	24	49.0%	49	185,550	Brakes — 98.0%
2022	25	54.8%	31	190,036	Brakes — 96.8%
2023	26	54.5%	33	166,432	Brakes — 90.9%
2024	27	63.1%	84	171,078	Brakes — 90.5%

Common MOT Failures

Top failure categories across all test years for 1997 Mercedes-Benz 312, with age trends.

Brakes

95.8%

↓ Decreases with age

Suspension

71.6%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

61.2%

↓ Decreases with age

Lamps, reflectors and electrical equipment

60.3%

↓ Decreases with age

Body, chassis, structure

42.9%

↑ 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
Suspension	96.7% (20 yrs)	33.3% (27 yrs)	-63.4%	🟢 ↓
Brakes	118.7% (20 yrs)	90.5% (27 yrs)	-28.2%	🟢 ↓

Other Manufacture Years

1996 1997 1998 1999

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About This Data

This page shows how Mercedes-Benz 312 cars manufactured in 1997 perform at MOT as they age. Data spans from 2017 to 2024, covering 434 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.