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2011 Mercedes C 350 — MOT History by Age

How cars manufactured in 2011 perform at MOT as they age

15 years
Current Age
77.0%
Latest Pass Rate
1,100
Total Tests (All Years)
89,039 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 9

This car: 77.0%
Average: 62.0%

✅ 15.0% above average (15872 models compared)

How This Car Ages

Pass rate progression for the 2011 Mercedes C 350 as it ages.

3 yrs84.8%
4 yrs89.6%
5 yrs81.2%
6 yrs85.7%
7 yrs80.7%
8 yrs77.6%
9 yrs77.0%

Bar chart showing pass rate by car age from 3 to 9 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs84.8%283
4 yrs89.6%270
5 yrs81.2%271
6 yrs85.7%91
7 yrs80.7%57
8 yrs77.6%67
9 yrs77.0%61

Pass Rate Trend

How the 2011 Mercedes C 350 pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 7 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (9 yrs)77%61
2019 (8 yrs)77.6%67
2018 (7 yrs)80.7%57
2017 (6 yrs)85.7%91
2016 (5 yrs)81.2%271
2015 (4 yrs)89.6%270
2014 (3 yrs)84.8%283

Year-by-Year MOT Results

2014
84.8%
Age (yrs) 3Tests 283Avg Mileage 33,790Top Failure Tyres — 14.8%
2015
89.6%
Age (yrs) 4Tests 270Avg Mileage 44,530Top Failure Tyres — 12.6%
2016
81.2%
Age (yrs) 5Tests 271Avg Mileage 52,008Top Failure Tyres — 17.7%
2017
85.7%
Age (yrs) 6Tests 91Avg Mileage 65,077Top Failure Tyres — 18.7%
2018
80.7%
Age (yrs) 7Tests 57Avg Mileage 70,257Top Failure Tyres — 28.1%
2019
77.6%
Age (yrs) 8Tests 67Avg Mileage 82,625Top Failure Tyres — 29.9%
2020
77.0%
Age (yrs) 9Tests 61Avg Mileage 89,039Top Failure Brakes — 29.5%

Common MOT Failures

Top failure categories across all test years for 2011 Mercedes C 350, with age trends.

Tyres
20.9%
↑ Increases with age
Lamps, reflectors and electrical equipment
12.8%
↑ Increases with age
Brakes
12.1%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
6.7%
↓ Decreases with age
Suspension
6.7%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes3.9% (3 yrs)29.5% (9 yrs)
+25.6%
🔴 ↑
Tyres14.8% (3 yrs)24.6% (9 yrs)
+9.8%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes C 350 page →

About This Data

This page shows how Mercedes C 350 cars manufactured in 2011 perform at MOT as they age. Data spans from 2014 to 2020, covering 1,100 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.

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