1998 Mercedes 312d Lwb — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

52.0%

Latest Pass Rate

1,369

Total Tests (All Years)

220,095 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 18

This car: 52.0%

Average: 54.3%

⚠️ 2.3% below average (8383 models compared)

How This Car Ages

Pass rate progression for the 1998 Mercedes 312d Lwb as it ages.

11 yrs43.4%

→ ↑2.4%

12 yrs45.8%

→ ↓0.1%

13 yrs45.7%

→ ↓3.4%

14 yrs42.3%

→ ↑3.1%

15 yrs45.4%

→ ↑3.0%

16 yrs48.4%

→ ↑6.9%

17 yrs55.3%

→ ↓3.3%

18 yrs52.0%

📊 View as table

Age	Pass Rate	Tests
11 yrs	43.4%	286
12 yrs	45.8%	225
13 yrs	45.7%	197
14 yrs	42.3%	175
15 yrs	45.4%	152
16 yrs	48.4%	122
17 yrs	55.3%	114
18 yrs	52.0%	98

Pass Rate Trend

How the 1998 Mercedes 312d Lwb pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (18 yrs)	52%	98
2015 (17 yrs)	55.3%	114
2014 (16 yrs)	48.4%	122
2013 (15 yrs)	45.4%	152
2012 (14 yrs)	42.3%	175
2011 (13 yrs)	45.7%	197
2010 (12 yrs)	45.8%	225
2009 (11 yrs)	43.4%	286

Year-by-Year MOT Results

2009High Fail Rate

43.4%

Age (yrs) 11Tests 286Avg Mileage 213,846Top Failure Brakes — 46.2%

2010High Fail Rate

45.8%

Age (yrs) 12Tests 225Avg Mileage 213,469Top Failure Brakes — 48.0%

2011High Fail Rate

45.7%

Age (yrs) 13Tests 197Avg Mileage 217,297Top Failure Brakes — 42.6%

2012High Fail Rate

42.3%

Age (yrs) 14Tests 175Avg Mileage 221,784Top Failure Brakes — 44.6%

2013High Fail Rate

45.4%

Age (yrs) 15Tests 152Avg Mileage 223,112Top Failure Brakes — 152.6%

2014High Fail Rate

48.4%

Age (yrs) 16Tests 122Avg Mileage 226,065Top Failure Brakes — 136.1%

2015High Fail Rate

55.3%

Age (yrs) 17Tests 114Avg Mileage 229,648Top Failure Brakes — 123.7%

2016High Fail Rate

52.0%

Age (yrs) 18Tests 98Avg Mileage 220,095Top Failure Brakes — 112.2%

MOT results for 1998 Mercedes 312d Lwb by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	43.4%	286	213,846	Brakes — 46.2%
2010	12	45.8%	225	213,469	Brakes — 48.0%
2011	13	45.7%	197	217,297	Brakes — 42.6%
2012	14	42.3%	175	221,784	Brakes — 44.6%
2013	15	45.4%	152	223,112	Brakes — 152.6%
2014	16	48.4%	122	226,065	Brakes — 136.1%
2015	17	55.3%	114	229,648	Brakes — 123.7%
2016	18	52.0%	98	220,095	Brakes — 112.2%

Common MOT Failures

Top failure categories across all test years for 1998 Mercedes 312d Lwb, with age trends.

Brakes

88.3%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

64.0%

↑ Increases with age

Suspension

58.0%

↑ Increases with age

Body, Structure and General Items

24.6%

↑ Increases with age

Driver's View of the Road

20.2%

↑ 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
Brakes	46.2% (11 yrs)	112.2% (18 yrs)	+66.0%	🔴 ↑
Suspension	36.4% (11 yrs)	82.7% (18 yrs)	+46.3%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	41.6% (11 yrs)	67.3% (18 yrs)	+25.7%	🔴 ↑
Driver's View of the Road	17.5% (11 yrs)	23.5% (18 yrs)	+6.0%	🔴 ↑

Other Manufacture Years

1995 1996 1997 1998 1999 2000

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About This Data

This page shows how Mercedes 312d Lwb cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2016, covering 1,369 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.