1999 Mercedes A 170 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

57.1%

Latest Pass Rate

9,991

Total Tests (All Years)

112,962 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 57.1%

Average: 56.6%

✅ 0.5% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 1999 Mercedes A 170 as it ages.

10 yrs41.9%

→ ↓0.2%

11 yrs41.7%

→ ↑1.0%

12 yrs42.7%

→ ↓1.3%

13 yrs41.4%

→ ↓1.6%

14 yrs39.8%

→ ↑2.0%

15 yrs41.8%

→ ↑0.4%

16 yrs42.2%

→ ↑2.1%

17 yrs44.3%

→ ↓2.6%

18 yrs41.7%

→ ↑3.8%

19 yrs45.5%

→ ↑11.6%

20 yrs57.1%

📊 View as table

Age	Pass Rate	Tests
10 yrs	41.9%	1,852
11 yrs	41.7%	1,713
12 yrs	42.7%	1,633
13 yrs	41.4%	1,387
14 yrs	39.8%	1,166
15 yrs	41.8%	893
16 yrs	42.2%	659
17 yrs	44.3%	476
18 yrs	41.7%	115
19 yrs	45.5%	55
20 yrs	57.1%	42

Pass Rate Trend

How the 1999 Mercedes A 170 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2019 (20 yrs)	57.1%	42
2018 (19 yrs)	45.5%	55
2017 (18 yrs)	41.7%	115
2016 (17 yrs)	44.3%	476
2015 (16 yrs)	42.2%	659
2014 (15 yrs)	41.8%	893
2013 (14 yrs)	39.8%	1,166
2012 (13 yrs)	41.4%	1,387
2011 (12 yrs)	42.7%	1,633
2010 (11 yrs)	41.7%	1,713
2009 (10 yrs)	41.9%	1,852

Year-by-Year MOT Results

2009High Fail Rate

41.9%

Age (yrs) 10Tests 1,852Avg Mileage 95,307Top Failure Lamps, Reflectors and Electrical Equipment — 37.5%

2010High Fail Rate

41.7%

Age (yrs) 11Tests 1,713Avg Mileage 100,684Top Failure Lamps, Reflectors and Electrical Equipment — 39.7%

2011High Fail Rate

42.7%

Age (yrs) 12Tests 1,633Avg Mileage 105,169Top Failure Lamps, Reflectors and Electrical Equipment — 39.7%

2012High Fail Rate

41.4%

Age (yrs) 13Tests 1,387Avg Mileage 110,155Top Failure Lamps, Reflectors and Electrical Equipment — 41.0%

2013High Fail Rate

39.8%

Age (yrs) 14Tests 1,166Avg Mileage 112,497Top Failure Lamps, Reflectors and Electrical Equipment — 94.3%

2014High Fail Rate

41.8%

Age (yrs) 15Tests 893Avg Mileage 114,810Top Failure Lamps, Reflectors and Electrical Equipment — 100.3%

2015High Fail Rate

42.2%

Age (yrs) 16Tests 659Avg Mileage 115,846Top Failure Lamps, Reflectors and Electrical Equipment — 93.5%

2016High Fail Rate

44.3%

Age (yrs) 17Tests 476Avg Mileage 116,193Top Failure Suspension — 91.2%

2017High Fail Rate

41.7%

Age (yrs) 18Tests 115Avg Mileage 118,723Top Failure Brakes — 80.9%

2018High Fail Rate

45.5%

Age (yrs) 19Tests 55Avg Mileage 110,996Top Failure Suspension — 90.9%

2019High Fail Rate

57.1%

Age (yrs) 20Tests 42Avg Mileage 112,962Top Failure Brakes — 64.3%

MOT results for 1999 Mercedes A 170 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	41.9%	1,852	95,307	Lamps, Reflectors and Electrical Equipment — 37.5%
2010	11	41.7%	1,713	100,684	Lamps, Reflectors and Electrical Equipment — 39.7%
2011	12	42.7%	1,633	105,169	Lamps, Reflectors and Electrical Equipment — 39.7%
2012	13	41.4%	1,387	110,155	Lamps, Reflectors and Electrical Equipment — 41.0%
2013	14	39.8%	1,166	112,497	Lamps, Reflectors and Electrical Equipment — 94.3%
2014	15	41.8%	893	114,810	Lamps, Reflectors and Electrical Equipment — 100.3%
2015	16	42.2%	659	115,846	Lamps, Reflectors and Electrical Equipment — 93.5%
2016	17	44.3%	476	116,193	Suspension — 91.2%
2017	18	41.7%	115	118,723	Brakes — 80.9%
2018	19	45.5%	55	110,996	Suspension — 90.9%
2019	20	57.1%	42	112,962	Brakes — 64.3%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes A 170, with age trends.

Lamps, Reflectors and Electrical Equipment

68.3%

↑ Increases with age

Suspension

62.1%

↑ Increases with age

Brakes

60.5%

↑ Increases with age

Lamps, reflectors and electrical equipment

35.7%

↑ Increases with age

Tyres

27.2%

↑ 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
Brakes	33.0% (10 yrs)	64.3% (20 yrs)	+31.3%	🔴 ↑
Suspension	30.1% (10 yrs)	57.1% (20 yrs)	+27.0%	🔴 ↑

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 1999 perform at MOT as they age. Data spans from 2009 to 2019, covering 9,991 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.