1999 Mercedes Ml 320 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

59.5%

Latest Pass Rate

17,923

Total Tests (All Years)

130,326 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 1999 Mercedes Ml 320 as it ages.

10 yrs56.0%

→ ↓2.2%

11 yrs53.8%

→ ↓1.7%

12 yrs52.1%

→ ↓0.0%

13 yrs52.1%

→ ↓2.6%

14 yrs49.5%

→ ↑2.0%

15 yrs51.5%

→ ↓0.7%

16 yrs50.8%

→ ↑0.8%

17 yrs51.6%

→ ↓1.6%

18 yrs50.0%

→ ↑1.8%

19 yrs51.8%

→ ↑0.8%

20 yrs52.6%

→ ↑6.9%

21 yrs59.5%

📊 View as table

Age	Pass Rate	Tests
10 yrs	56.0%	2,927
11 yrs	53.8%	2,762
12 yrs	52.1%	2,580
13 yrs	52.1%	2,269
14 yrs	49.5%	1,947
15 yrs	51.5%	1,764
16 yrs	50.8%	1,509
17 yrs	51.6%	1,310
18 yrs	50.0%	362
19 yrs	51.8%	197
20 yrs	52.6%	175
21 yrs	59.5%	121

Pass Rate Trend

How the 1999 Mercedes Ml 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (21 yrs)	59.5%	121
2019 (20 yrs)	52.6%	175
2018 (19 yrs)	51.8%	197
2017 (18 yrs)	50%	362
2016 (17 yrs)	51.6%	1,310
2015 (16 yrs)	50.8%	1,509
2014 (15 yrs)	51.5%	1,764
2013 (14 yrs)	49.5%	1,947
2012 (13 yrs)	52.1%	2,269
2011 (12 yrs)	52.1%	2,580
2010 (11 yrs)	53.8%	2,762
2009 (10 yrs)	56%	2,927

Year-by-Year MOT Results

2009High Fail Rate

56.0%

Age (yrs) 10Tests 2,927Avg Mileage 97,492Top Failure Lamps, Reflectors and Electrical Equipment — 26.8%

2010High Fail Rate

53.8%

Age (yrs) 11Tests 2,762Avg Mileage 104,382Top Failure Lamps, Reflectors and Electrical Equipment — 29.5%

2011High Fail Rate

52.1%

Age (yrs) 12Tests 2,580Avg Mileage 108,693Top Failure Lamps, Reflectors and Electrical Equipment — 30.3%

2012High Fail Rate

52.1%

Age (yrs) 13Tests 2,269Avg Mileage 113,752Top Failure Lamps, Reflectors and Electrical Equipment — 31.0%

2013High Fail Rate

49.5%

Age (yrs) 14Tests 1,947Avg Mileage 116,915Top Failure Brakes — 71.4%

2014High Fail Rate

51.5%

Age (yrs) 15Tests 1,764Avg Mileage 122,163Top Failure Brakes — 77.8%

2015High Fail Rate

50.8%

Age (yrs) 16Tests 1,509Avg Mileage 125,298Top Failure Brakes — 79.1%

2016High Fail Rate

51.6%

Age (yrs) 17Tests 1,310Avg Mileage 127,418Top Failure Brakes — 70.2%

2017High Fail Rate

50.0%

Age (yrs) 18Tests 362Avg Mileage 126,595Top Failure Brakes — 82.0%

2018High Fail Rate

51.8%

Age (yrs) 19Tests 197Avg Mileage 127,770Top Failure Brakes — 65.0%

2019High Fail Rate

52.6%

Age (yrs) 20Tests 175Avg Mileage 130,810Top Failure Brakes — 77.1%

2020High Fail Rate

59.5%

Age (yrs) 21Tests 121Avg Mileage 130,326Top Failure Brakes — 70.2%

MOT results for 1999 Mercedes Ml 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	56.0%	2,927	97,492	Lamps, Reflectors and Electrical Equipment — 26.8%
2010	11	53.8%	2,762	104,382	Lamps, Reflectors and Electrical Equipment — 29.5%
2011	12	52.1%	2,580	108,693	Lamps, Reflectors and Electrical Equipment — 30.3%
2012	13	52.1%	2,269	113,752	Lamps, Reflectors and Electrical Equipment — 31.0%
2013	14	49.5%	1,947	116,915	Brakes — 71.4%
2014	15	51.5%	1,764	122,163	Brakes — 77.8%
2015	16	50.8%	1,509	125,298	Brakes — 79.1%
2016	17	51.6%	1,310	127,418	Brakes — 70.2%
2017	18	50.0%	362	126,595	Brakes — 82.0%
2018	19	51.8%	197	127,770	Brakes — 65.0%
2019	20	52.6%	175	130,810	Brakes — 77.1%
2020	21	59.5%	121	130,326	Brakes — 70.2%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes Ml 320, with age trends.

Brakes

58.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

55.7%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

47.9%

— Consistent

Suspension

42.5%

↑ Increases with age

Noise, emissions and leaks

31.3%

↓ Decreases 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	23.8% (10 yrs)	70.2% (21 yrs)	+46.4%	🔴 ↑
Suspension	19.7% (10 yrs)	40.5% (21 yrs)	+20.8%	🔴 ↑
Tyres	11.2% (10 yrs)	19.8% (21 yrs)	+8.6%	🔴 ↑

Other Manufacture Years

1998 1999 2000 2001 2002 2003 2005 2006 2007 2008 2009 2010 2011 2012

← Back to Mercedes Ml 320 overview

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About This Data

This page shows how Mercedes Ml 320 cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2020, covering 17,923 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.