Skip to main content
Pass Your MOT

2009 Mercedes Ml 320 — MOT History by Age

How cars manufactured in 2009 perform at MOT as they age

17 years
Current Age
64.9%
Latest Pass Rate
7,297
Total Tests (All Years)
99,607 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 11

This car: 64.9%
Average: 56.2%

✅ 8.7% above average (14777 models compared)

How This Car Ages

Pass rate progression for the 2009 Mercedes Ml 320 as it ages.

2 yrs95.7%
3 yrs84.7%
4 yrs84.4%
5 yrs79.6%
6 yrs76.6%
7 yrs72.4%
8 yrs70.1%
9 yrs68.3%
10 yrs69.1%
11 yrs64.9%

Bar chart showing pass rate by car age from 2 to 11 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs95.7%69
3 yrs84.7%1,134
4 yrs84.4%1,147
5 yrs79.6%1,132
6 yrs76.6%1,152
7 yrs72.4%1,083
8 yrs70.1%511
9 yrs68.3%341
10 yrs69.1%363
11 yrs64.9%365

Pass Rate Trend

How the 2009 Mercedes Ml 320 pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 10 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (11 yrs)64.9%365
2019 (10 yrs)69.1%363
2018 (9 yrs)68.3%341
2017 (8 yrs)70.1%511
2016 (7 yrs)72.4%1,083
2015 (6 yrs)76.6%1,152
2014 (5 yrs)79.6%1,132
2013 (4 yrs)84.4%1,147
2012 (3 yrs)84.7%1,134
2011 (2 yrs)95.7%69

Year-by-Year MOT Results

2011
95.7%
Age (yrs) 2Tests 69Avg Mileage 28,182Top Failure Lamps, Reflectors and Electrical Equipment — 2.9%
2012
84.7%
Age (yrs) 3Tests 1,134Avg Mileage 34,222Top Failure Lamps, Reflectors and Electrical Equipment — 8.8%
2013
84.4%
Age (yrs) 4Tests 1,147Avg Mileage 43,747Top Failure Lamps, Reflectors and Electrical Equipment — 13.5%
2014
79.6%
Age (yrs) 5Tests 1,132Avg Mileage 53,221Top Failure Lamps, Reflectors and Electrical Equipment — 20.1%
2015
76.6%
Age (yrs) 6Tests 1,152Avg Mileage 63,179Top Failure Lamps, Reflectors and Electrical Equipment — 23.3%
2016
72.4%
Age (yrs) 7Tests 1,083Avg Mileage 71,220Top Failure Lamps, Reflectors and Electrical Equipment — 26.2%
2017
70.1%
Age (yrs) 8Tests 511Avg Mileage 77,391Top Failure Lamps, Reflectors and Electrical Equipment — 26.4%
2018
68.3%
Age (yrs) 9Tests 341Avg Mileage 86,257Top Failure Tyres — 25.8%
2019
69.1%
Age (yrs) 10Tests 363Avg Mileage 93,930Top Failure Brakes — 35.8%
2020High Fail Rate
64.9%
Age (yrs) 11Tests 365Avg Mileage 99,607Top Failure Lamps, reflectors and electrical equipment — 37.0%

Common MOT Failures

Top failure categories across all test years for 2009 Mercedes Ml 320, with age trends.

Lamps, reflectors and electrical equipment
28.0%
↑ Increases with age
Brakes
18.2%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
16.5%
↑ Increases with age
Tyres
15.0%
↑ Increases with age
Noise, emissions and leaks
9.8%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres1.4% (2 yrs)30.7% (11 yrs)
+29.3%
🔴 ↑
Suspension1.4% (2 yrs)14.2% (11 yrs)
+12.8%
🔴 ↑

Other Manufacture Years

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 2009 perform at MOT as they age. Data spans from 2011 to 2020, covering 7,297 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.

Share via WhatsApp Share on Facebook Report Issue