2003 Mercedes Unclassified — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

58.7%

Latest Pass Rate

2,643

Total Tests (All Years)

163,979 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 2003 Mercedes Unclassified as it ages.

6 yrs61.7%

→ ↓0.0%

7 yrs61.7%

→ ↓0.0%

8 yrs61.7%

→ ↓4.3%

9 yrs57.4%

→ ↑8.6%

10 yrs66.0%

→ ↑0.7%

11 yrs66.7%

→ ↓1.7%

12 yrs65.0%

→ ↑1.7%

13 yrs66.7%

→ ↓8.2%

14 yrs58.5%

→ ↓4.9%

15 yrs53.6%

→ ↑12.3%

16 yrs65.9%

→ ↓3.6%

17 yrs62.3%

→ ↑1.5%

18 yrs63.8%

→ ↑1.3%

19 yrs65.1%

→ ↓1.4%

20 yrs63.7%

→ ↓5.0%

21 yrs58.7%

📊 View as table

Age	Pass Rate	Tests
6 yrs	61.7%	381
7 yrs	61.7%	358
8 yrs	61.7%	308
9 yrs	57.4%	242
10 yrs	66.0%	162
11 yrs	66.7%	126
12 yrs	65.0%	123
13 yrs	66.7%	132
14 yrs	58.5%	130
15 yrs	53.6%	84
16 yrs	65.9%	82
17 yrs	62.3%	77
18 yrs	63.8%	127
19 yrs	65.1%	83
20 yrs	63.7%	102
21 yrs	58.7%	126

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2024 (21 yrs)	58.7%	126
2023 (20 yrs)	63.7%	102
2022 (19 yrs)	65.1%	83
2021 (18 yrs)	63.8%	127
2020 (17 yrs)	62.3%	77
2019 (16 yrs)	65.9%	82
2018 (15 yrs)	53.6%	84
2017 (14 yrs)	58.5%	130
2016 (13 yrs)	66.7%	132
2015 (12 yrs)	65%	123
2014 (11 yrs)	66.7%	126
2013 (10 yrs)	66%	162
2012 (9 yrs)	57.4%	242
2011 (8 yrs)	61.7%	308
2010 (7 yrs)	61.7%	358
2009 (6 yrs)	61.7%	381

Year-by-Year MOT Results

2009High Fail Rate

61.7%

Age (yrs) 6Tests 381Avg Mileage 108,871Top Failure Lamps, Reflectors and Electrical Equipment — 24.4%

2010High Fail Rate

61.7%

Age (yrs) 7Tests 358Avg Mileage 122,967Top Failure Lamps, Reflectors and Electrical Equipment — 26.5%

2011High Fail Rate

61.7%

Age (yrs) 8Tests 308Avg Mileage 129,012Top Failure Lamps, Reflectors and Electrical Equipment — 23.7%

2012High Fail Rate

57.4%

Age (yrs) 9Tests 242Avg Mileage 123,901Top Failure Lamps, Reflectors and Electrical Equipment — 26.4%

2013

66.0%

Age (yrs) 10Tests 162Avg Mileage 114,355Top Failure Brakes — 43.8%

2014

66.7%

Age (yrs) 11Tests 126Avg Mileage 105,119Top Failure Suspension — 46.0%

2015

65.0%

Age (yrs) 12Tests 123Avg Mileage 111,957Top Failure Brakes — 32.5%

2016

66.7%

Age (yrs) 13Tests 132Avg Mileage 113,200Top Failure Brakes — 45.5%

2017High Fail Rate

58.5%

Age (yrs) 14Tests 130Avg Mileage 123,466Top Failure Brakes — 52.3%

2018High Fail Rate

53.6%

Age (yrs) 15Tests 84Avg Mileage 118,883Top Failure Brakes — 50.0%

2019

65.9%

Age (yrs) 16Tests 82Avg Mileage 146,603Top Failure Brakes — 42.7%

2020High Fail Rate

62.3%

Age (yrs) 17Tests 77Avg Mileage 139,034Top Failure Lamps, reflectors and electrical equipment — 63.6%

2021High Fail Rate

63.8%

Age (yrs) 18Tests 127Avg Mileage 149,444Top Failure Brakes — 49.6%

2022

65.1%

Age (yrs) 19Tests 83Avg Mileage 122,164Top Failure Lamps, reflectors and electrical equipment — 60.2%

2023High Fail Rate

63.7%

Age (yrs) 20Tests 102Avg Mileage 119,200Top Failure Brakes — 62.7%

2024High Fail Rate

58.7%

Age (yrs) 21Tests 126Avg Mileage 163,979Top Failure Brakes — 51.6%

MOT results for 2003 Mercedes Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	61.7%	381	108,871	Lamps, Reflectors and Electrical Equipment — 24.4%
2010	7	61.7%	358	122,967	Lamps, Reflectors and Electrical Equipment — 26.5%
2011	8	61.7%	308	129,012	Lamps, Reflectors and Electrical Equipment — 23.7%
2012	9	57.4%	242	123,901	Lamps, Reflectors and Electrical Equipment — 26.4%
2013	10	66.0%	162	114,355	Brakes — 43.8%
2014	11	66.7%	126	105,119	Suspension — 46.0%
2015	12	65.0%	123	111,957	Brakes — 32.5%
2016	13	66.7%	132	113,200	Brakes — 45.5%
2017	14	58.5%	130	123,466	Brakes — 52.3%
2018	15	53.6%	84	118,883	Brakes — 50.0%
2019	16	65.9%	82	146,603	Brakes — 42.7%
2020	17	62.3%	77	139,034	Lamps, reflectors and electrical equipment — 63.6%
2021	18	63.8%	127	149,444	Brakes — 49.6%
2022	19	65.1%	83	122,164	Lamps, reflectors and electrical equipment — 60.2%
2023	20	63.7%	102	119,200	Brakes — 62.7%
2024	21	58.7%	126	163,979	Brakes — 51.6%

Common MOT Failures

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

Lamps, reflectors and electrical equipment

43.0%

— Consistent

Brakes

39.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

30.3%

↑ Increases with age

Suspension

29.4%

↑ Increases with age

Body, chassis, structure

20.4%

↑ 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	21.5% (6 yrs)	51.6% (21 yrs)	+30.1%	🔴 ↑
Suspension	20.7% (6 yrs)	27.0% (21 yrs)	+6.3%	🔴 ↑
Tyres	11.5% (6 yrs)	17.5% (21 yrs)	+6.0%	🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Mercedes Unclassified cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2024, covering 2,643 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.