2004 Mercedes A 170 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

59.2%

Latest Pass Rate

6,371

Total Tests (All Years)

98,727 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 59.2%

Average: 52.7%

✅ 6.5% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes A 170 as it ages.

5 yrs70.4%

→ ↓3.3%

6 yrs67.1%

→ ↓6.5%

7 yrs60.6%

→ ↑0.7%

8 yrs61.3%

→ ↓8.7%

9 yrs52.6%

→ ↓2.1%

10 yrs50.5%

→ ↑3.3%

11 yrs53.8%

→ ↓3.6%

12 yrs50.2%

→ ↑5.6%

13 yrs55.8%

→ ↓10.7%

14 yrs45.1%

→ ↑5.5%

15 yrs50.6%

→ ↑8.6%

16 yrs59.2%

📊 View as table

Age	Pass Rate	Tests
5 yrs	70.4%	801
6 yrs	67.1%	766
7 yrs	60.6%	784
8 yrs	61.3%	765
9 yrs	52.6%	743
10 yrs	50.5%	727
11 yrs	53.8%	716
12 yrs	50.2%	675
13 yrs	55.8%	147
14 yrs	45.1%	91
15 yrs	50.6%	85
16 yrs	59.2%	71

Pass Rate Trend

How the 2004 Mercedes A 170 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	59.2%	71
2019 (15 yrs)	50.6%	85
2018 (14 yrs)	45.1%	91
2017 (13 yrs)	55.8%	147
2016 (12 yrs)	50.2%	675
2015 (11 yrs)	53.8%	716
2014 (10 yrs)	50.5%	727
2013 (9 yrs)	52.6%	743
2012 (8 yrs)	61.3%	765
2011 (7 yrs)	60.6%	784
2010 (6 yrs)	67.1%	766
2009 (5 yrs)	70.4%	801

Year-by-Year MOT Results

2009

70.4%

Age (yrs) 5Tests 801Avg Mileage 47,311Top Failure Lamps, Reflectors and Electrical Equipment — 16.1%

2010

67.1%

Age (yrs) 6Tests 766Avg Mileage 55,777Top Failure Lamps, Reflectors and Electrical Equipment — 17.0%

2011High Fail Rate

60.6%

Age (yrs) 7Tests 784Avg Mileage 63,888Top Failure Lamps, Reflectors and Electrical Equipment — 21.6%

2012High Fail Rate

61.3%

Age (yrs) 8Tests 765Avg Mileage 70,055Top Failure Lamps, Reflectors and Electrical Equipment — 22.5%

2013High Fail Rate

52.6%

Age (yrs) 9Tests 743Avg Mileage 75,660Top Failure Brakes — 49.7%

2014High Fail Rate

50.5%

Age (yrs) 10Tests 727Avg Mileage 84,003Top Failure Brakes — 69.5%

2015High Fail Rate

53.8%

Age (yrs) 11Tests 716Avg Mileage 87,207Top Failure Brakes — 66.9%

2016High Fail Rate

50.2%

Age (yrs) 12Tests 675Avg Mileage 92,467Top Failure Brakes — 75.4%

2017High Fail Rate

55.8%

Age (yrs) 13Tests 147Avg Mileage 92,999Top Failure Brakes — 87.1%

2018High Fail Rate

45.1%

Age (yrs) 14Tests 91Avg Mileage 91,487Top Failure Brakes — 96.7%

2019High Fail Rate

50.6%

Age (yrs) 15Tests 85Avg Mileage 92,294Top Failure Brakes — 77.6%

2020High Fail Rate

59.2%

Age (yrs) 16Tests 71Avg Mileage 98,727Top Failure Suspension — 56.3%

MOT results for 2004 Mercedes A 170 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	70.4%	801	47,311	Lamps, Reflectors and Electrical Equipment — 16.1%
2010	6	67.1%	766	55,777	Lamps, Reflectors and Electrical Equipment — 17.0%
2011	7	60.6%	784	63,888	Lamps, Reflectors and Electrical Equipment — 21.6%
2012	8	61.3%	765	70,055	Lamps, Reflectors and Electrical Equipment — 22.5%
2013	9	52.6%	743	75,660	Brakes — 49.7%
2014	10	50.5%	727	84,003	Brakes — 69.5%
2015	11	53.8%	716	87,207	Brakes — 66.9%
2016	12	50.2%	675	92,467	Brakes — 75.4%
2017	13	55.8%	147	92,999	Brakes — 87.1%
2018	14	45.1%	91	91,487	Brakes — 96.7%
2019	15	50.6%	85	92,294	Brakes — 77.6%
2020	16	59.2%	71	98,727	Suspension — 56.3%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes A 170, with age trends.

Brakes

52.1%

↑ Increases with age

Lamps, reflectors and electrical equipment

52.0%

— Consistent

Suspension

38.4%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

33.1%

— Consistent

Tyres

22.6%

↑ 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	10.5% (5 yrs)	45.1% (16 yrs)	+34.6%	🔴 ↑
Tyres	8.7% (5 yrs)	36.6% (16 yrs)	+27.9%	🔴 ↑

Other Manufacture Years

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

← Back to Mercedes A 170 overview

Looking for the best year to buy? See the full comparison on the Mercedes A 170 page →

About This Data

This page shows how Mercedes A 170 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 6,371 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.