1999 Mercedes 308 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

55.9%

Latest Pass Rate

2,325

Total Tests (All Years)

171,797 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 17

This car: 55.9%

Average: 53.5%

✅ 2.4% above average (9249 models compared)

How This Car Ages

Pass rate progression for the 1999 Mercedes 308 as it ages.

10 yrs42.8%

→ ↑3.1%

11 yrs45.9%

→ ↓1.4%

12 yrs44.5%

→ ↓3.0%

13 yrs41.5%

→ ↑1.0%

14 yrs42.5%

→ ↓1.5%

15 yrs41.0%

→ ↑5.1%

16 yrs46.1%

→ ↑9.8%

17 yrs55.9%

📊 View as table

Age	Pass Rate	Tests
10 yrs	42.8%	493
11 yrs	45.9%	455
12 yrs	44.5%	384
13 yrs	41.5%	289
14 yrs	42.5%	233
15 yrs	41.0%	195
16 yrs	46.1%	165
17 yrs	55.9%	111

Pass Rate Trend

How the 1999 Mercedes 308 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2016 (17 yrs)	55.9%	111
2015 (16 yrs)	46.1%	165
2014 (15 yrs)	41%	195
2013 (14 yrs)	42.5%	233
2012 (13 yrs)	41.5%	289
2011 (12 yrs)	44.5%	384
2010 (11 yrs)	45.9%	455
2009 (10 yrs)	42.8%	493

Year-by-Year MOT Results

2009High Fail Rate

42.8%

Age (yrs) 10Tests 493Avg Mileage 161,548Top Failure Brakes — 44.2%

2010High Fail Rate

45.9%

Age (yrs) 11Tests 455Avg Mileage 166,677Top Failure Lamps, Reflectors and Electrical Equipment — 42.0%

2011High Fail Rate

44.5%

Age (yrs) 12Tests 384Avg Mileage 170,522Top Failure Lamps, Reflectors and Electrical Equipment — 44.0%

2012High Fail Rate

41.5%

Age (yrs) 13Tests 289Avg Mileage 172,884Top Failure Lamps, Reflectors and Electrical Equipment — 48.8%

2013High Fail Rate

42.5%

Age (yrs) 14Tests 233Avg Mileage 170,387Top Failure Brakes — 163.1%

2014High Fail Rate

41.0%

Age (yrs) 15Tests 195Avg Mileage 173,516Top Failure Brakes — 153.3%

2015High Fail Rate

46.1%

Age (yrs) 16Tests 165Avg Mileage 173,812Top Failure Brakes — 126.1%

2016High Fail Rate

55.9%

Age (yrs) 17Tests 111Avg Mileage 171,797Top Failure Brakes — 98.2%

MOT results for 1999 Mercedes 308 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	42.8%	493	161,548	Brakes — 44.2%
2010	11	45.9%	455	166,677	Lamps, Reflectors and Electrical Equipment — 42.0%
2011	12	44.5%	384	170,522	Lamps, Reflectors and Electrical Equipment — 44.0%
2012	13	41.5%	289	172,884	Lamps, Reflectors and Electrical Equipment — 48.8%
2013	14	42.5%	233	170,387	Brakes — 163.1%
2014	15	41.0%	195	173,516	Brakes — 153.3%
2015	16	46.1%	165	173,812	Brakes — 126.1%
2016	17	55.9%	111	171,797	Brakes — 98.2%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes 308, with age trends.

Brakes

89.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

70.6%

↑ Increases with age

Suspension

59.9%

↑ Increases with age

Body, Structure and General Items

26.3%

↓ Decreases with age

Driver's View of the Road

21.0%

↑ 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	44.2% (10 yrs)	98.2% (17 yrs)	+54.0%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	44.0% (10 yrs)	70.3% (17 yrs)	+26.3%	🔴 ↑
Suspension	33.3% (10 yrs)	59.5% (17 yrs)	+26.2%	🔴 ↑
Driver's View of the Road	18.1% (10 yrs)	21.6% (17 yrs)	+3.5%	🔴 ↑

Other Manufacture Years

1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

← Back to Mercedes 308 overview

Looking for the best year to buy? See the full comparison on the Mercedes 308 page →

About This Data

This page shows how Mercedes 308 cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2016, covering 2,325 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.