2003 Mercedes Ml 320 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

51.6%

Latest Pass Rate

821

Total Tests (All Years)

99,033 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 14

This car: 51.6%

Average: 52.5%

⚠️ 0.9% below average (12051 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes Ml 320 as it ages.

6 yrs58.1%

→ ↑8.3%

7 yrs66.4%

→ ↓14.9%

8 yrs51.5%

→ ↓10.5%

9 yrs41.0%

→ ↑6.4%

10 yrs47.4%

→ ↑8.5%

11 yrs55.9%

→ ↓5.9%

12 yrs50.0%

→ ↑0.6%

13 yrs50.6%

→ ↑1.0%

14 yrs51.6%

📊 View as table

Age	Pass Rate	Tests
6 yrs	58.1%	117
7 yrs	66.4%	107
8 yrs	51.5%	103
9 yrs	41.0%	100
10 yrs	47.4%	95
11 yrs	55.9%	93
12 yrs	50.0%	94
13 yrs	50.6%	81
14 yrs	51.6%	31

Pass Rate Trend

How the 2003 Mercedes Ml 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (14 yrs)	51.6%	31
2016 (13 yrs)	50.6%	81
2015 (12 yrs)	50%	94
2014 (11 yrs)	55.9%	93
2013 (10 yrs)	47.4%	95
2012 (9 yrs)	41%	100
2011 (8 yrs)	51.5%	103
2010 (7 yrs)	66.4%	107
2009 (6 yrs)	58.1%	117

Year-by-Year MOT Results

2009High Fail Rate

58.1%

Age (yrs) 6Tests 117Avg Mileage 63,978Top Failure Lamps, Reflectors and Electrical Equipment — 29.9%

2010

66.4%

Age (yrs) 7Tests 107Avg Mileage 68,659Top Failure Lamps, Reflectors and Electrical Equipment — 21.5%

2011High Fail Rate

51.5%

Age (yrs) 8Tests 103Avg Mileage 74,267Top Failure Lamps, Reflectors and Electrical Equipment — 26.2%

2012High Fail Rate

41.0%

Age (yrs) 9Tests 100Avg Mileage 83,133Top Failure Lamps, Reflectors and Electrical Equipment — 43.0%

2013High Fail Rate

47.4%

Age (yrs) 10Tests 95Avg Mileage 87,203Top Failure Brakes — 58.9%

2014High Fail Rate

55.9%

Age (yrs) 11Tests 93Avg Mileage 90,929Top Failure Lamps, Reflectors and Electrical Equipment — 50.5%

2015High Fail Rate

50.0%

Age (yrs) 12Tests 94Avg Mileage 99,711Top Failure Brakes — 74.5%

2016High Fail Rate

50.6%

Age (yrs) 13Tests 81Avg Mileage 108,183Top Failure Lamps, Reflectors and Electrical Equipment — 82.7%

2017High Fail Rate

51.6%

Age (yrs) 14Tests 31Avg Mileage 99,033Top Failure Lamps, Reflectors and Electrical Equipment — 80.6%

MOT results for 2003 Mercedes Ml 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	58.1%	117	63,978	Lamps, Reflectors and Electrical Equipment — 29.9%
2010	7	66.4%	107	68,659	Lamps, Reflectors and Electrical Equipment — 21.5%
2011	8	51.5%	103	74,267	Lamps, Reflectors and Electrical Equipment — 26.2%
2012	9	41.0%	100	83,133	Lamps, Reflectors and Electrical Equipment — 43.0%
2013	10	47.4%	95	87,203	Brakes — 58.9%
2014	11	55.9%	93	90,929	Lamps, Reflectors and Electrical Equipment — 50.5%
2015	12	50.0%	94	99,711	Brakes — 74.5%
2016	13	50.6%	81	108,183	Lamps, Reflectors and Electrical Equipment — 82.7%
2017	14	51.6%	31	99,033	Lamps, Reflectors and Electrical Equipment — 80.6%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes Ml 320, with age trends.

Lamps, Reflectors and Electrical Equipment

51.3%

↑ Increases with age

Brakes

38.5%

↑ Increases with age

Suspension

32.7%

↑ Increases with age

Tyres

20.4%

↑ Increases with age

Steering

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
Lamps, Reflectors and Electrical Equipment	29.9% (6 yrs)	80.6% (14 yrs)	+50.7%	🔴 ↑
Brakes	17.9% (6 yrs)	45.2% (14 yrs)	+27.3%	🔴 ↑
Suspension	12.0% (6 yrs)	29.0% (14 yrs)	+17.0%	🔴 ↑

Other Manufacture Years

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

← Back to Mercedes Ml 320 overview

Looking for the best year to buy? See the full comparison on the Mercedes Ml 320 page →

About This Data

This page shows how Mercedes Ml 320 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2017, covering 821 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.