1999 Mercedes 412d — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

56.4%

Latest Pass Rate

467

Total Tests (All Years)

217,330 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for 412d

Compared to Average at Age 17

This car: 56.4%

Average: 53.5%

✅ 2.9% above average (9249 models compared)

How This Car Ages

Pass rate progression for the 1999 Mercedes 412d as it ages.

10 yrs50.0%

→ ↓3.4%

11 yrs46.6%

→ ↓2.8%

12 yrs43.8%

→ ↑18.0%

13 yrs61.8%

→ ↓13.9%

14 yrs47.9%

→ ↑9.2%

15 yrs57.1%

→ ↑1.9%

16 yrs59.0%

→ ↓2.6%

17 yrs56.4%

📊 View as table

Age	Pass Rate	Tests
10 yrs	50.0%	92
11 yrs	46.6%	88
12 yrs	43.8%	64
13 yrs	61.8%	55
14 yrs	47.9%	48
15 yrs	57.1%	42
16 yrs	59.0%	39
17 yrs	56.4%	39

Pass Rate Trend

How the 1999 Mercedes 412d pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (17 yrs)	56.4%	39
2015 (16 yrs)	59%	39
2014 (15 yrs)	57.1%	42
2013 (14 yrs)	47.9%	48
2012 (13 yrs)	61.8%	55
2011 (12 yrs)	43.8%	64
2010 (11 yrs)	46.6%	88
2009 (10 yrs)	50%	92

Year-by-Year MOT Results

2009High Fail Rate

50.0%

Age (yrs) 10Tests 92Avg Mileage 211,433Top Failure Brakes — 38.0%

2010High Fail Rate

46.6%

Age (yrs) 11Tests 88Avg Mileage 224,201Top Failure Brakes — 35.2%

2011High Fail Rate

43.8%

Age (yrs) 12Tests 64Avg Mileage 196,760Top Failure Brakes — 42.2%

2012High Fail Rate

61.8%

Age (yrs) 13Tests 55Avg Mileage 202,814Top Failure Brakes — 32.7%

2013High Fail Rate

47.9%

Age (yrs) 14Tests 48Avg Mileage 204,439Top Failure Brakes — 139.6%

2014High Fail Rate

57.1%

Age (yrs) 15Tests 42Avg Mileage 178,515Top Failure Brakes — 102.4%

2015High Fail Rate

59.0%

Age (yrs) 16Tests 39Avg Mileage 181,951Top Failure Brakes — 120.5%

2016High Fail Rate

56.4%

Age (yrs) 17Tests 39Avg Mileage 217,330Top Failure Brakes — 92.3%

MOT results for 1999 Mercedes 412d by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	50.0%	92	211,433	Brakes — 38.0%
2010	11	46.6%	88	224,201	Brakes — 35.2%
2011	12	43.8%	64	196,760	Brakes — 42.2%
2012	13	61.8%	55	202,814	Brakes — 32.7%
2013	14	47.9%	48	204,439	Brakes — 139.6%
2014	15	57.1%	42	178,515	Brakes — 102.4%
2015	16	59.0%	39	181,951	Brakes — 120.5%
2016	17	56.4%	39	217,330	Brakes — 92.3%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes 412d, with age trends.

Brakes

75.4%

↑ Increases with age

Suspension

47.3%

— Consistent

Lamps, Reflectors and Electrical Equipment

46.3%

↑ Increases with age

Seat Belts and Supplementary Restraint Systems

30.8%

— Consistent

Tyres

17.6%

↑ 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	38.0% (10 yrs)	92.3% (17 yrs)	+54.3%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	35.9% (10 yrs)	69.2% (17 yrs)	+33.3%	🔴 ↑
Suspension	26.1% (10 yrs)	28.2% (17 yrs)	+2.1%	🔴 ↑

Other Manufacture Years

1996 1997 1998 1999 2000

← Back to Mercedes 412d overview

Looking for the best year to buy? See the full comparison on the Mercedes 412d page →

About This Data

This page shows how Mercedes 412d cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2016, covering 467 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.