2005 Mercedes Cls 320 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

72.0%

Latest Pass Rate

4,999

Total Tests (All Years)

118,757 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Cls 320

Compared to Average at Age 15

This car: 72.0%

Average: 52.4%

✅ 19.6% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes Cls 320 as it ages.

4 yrs77.8%

→ ↓0.7%

5 yrs77.1%

→ ↓3.9%

6 yrs73.2%

→ ↓2.8%

7 yrs70.4%

→ ↓1.3%

8 yrs69.1%

→ ↓4.2%

9 yrs64.9%

→ ↓0.0%

10 yrs64.9%

→ ↑3.1%

11 yrs68.0%

→ ↓0.1%

12 yrs67.9%

→ ↓5.0%

13 yrs62.9%

→ ↓1.8%

14 yrs61.1%

→ ↑10.9%

15 yrs72.0%

📊 View as table

Age	Pass Rate	Tests
4 yrs	77.8%	590
5 yrs	77.1%	585
6 yrs	73.2%	579
7 yrs	70.4%	587
8 yrs	69.1%	579
9 yrs	64.9%	553
10 yrs	64.9%	544
11 yrs	68.0%	525
12 yrs	67.9%	165
13 yrs	62.9%	97
14 yrs	61.1%	113
15 yrs	72.0%	82

Pass Rate Trend

How the 2005 Mercedes Cls 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	72%	82
2019 (14 yrs)	61.1%	113
2018 (13 yrs)	62.9%	97
2017 (12 yrs)	67.9%	165
2016 (11 yrs)	68%	525
2015 (10 yrs)	64.9%	544
2014 (9 yrs)	64.9%	553
2013 (8 yrs)	69.1%	579
2012 (7 yrs)	70.4%	587
2011 (6 yrs)	73.2%	579
2010 (5 yrs)	77.1%	585
2009 (4 yrs)	77.8%	590

Year-by-Year MOT Results

2009

77.8%

Age (yrs) 4Tests 590Avg Mileage 46,519Top Failure Tyres — 13.7%

2010

77.1%

Age (yrs) 5Tests 585Avg Mileage 56,654Top Failure Tyres — 12.6%

2011

73.2%

Age (yrs) 6Tests 579Avg Mileage 64,643Top Failure Tyres — 13.3%

2012

70.4%

Age (yrs) 7Tests 587Avg Mileage 73,491Top Failure Tyres — 15.7%

2013

69.1%

Age (yrs) 8Tests 579Avg Mileage 81,872Top Failure Tyres — 31.3%

2014High Fail Rate

64.9%

Age (yrs) 9Tests 553Avg Mileage 90,217Top Failure Tyres — 34.2%

2015High Fail Rate

64.9%

Age (yrs) 10Tests 544Avg Mileage 97,230Top Failure Tyres — 34.6%

2016

68.0%

Age (yrs) 11Tests 525Avg Mileage 105,232Top Failure Suspension — 27.6%

2017

67.9%

Age (yrs) 12Tests 165Avg Mileage 111,090Top Failure Brakes — 32.7%

2018High Fail Rate

62.9%

Age (yrs) 13Tests 97Avg Mileage 111,378Top Failure Suspension — 42.3%

2019High Fail Rate

61.1%

Age (yrs) 14Tests 113Avg Mileage 111,670Top Failure Tyres — 47.8%

2020

72.0%

Age (yrs) 15Tests 82Avg Mileage 118,757Top Failure Brakes — 43.9%

MOT results for 2005 Mercedes Cls 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	77.8%	590	46,519	Tyres — 13.7%
2010	5	77.1%	585	56,654	Tyres — 12.6%
2011	6	73.2%	579	64,643	Tyres — 13.3%
2012	7	70.4%	587	73,491	Tyres — 15.7%
2013	8	69.1%	579	81,872	Tyres — 31.3%
2014	9	64.9%	553	90,217	Tyres — 34.2%
2015	10	64.9%	544	97,230	Tyres — 34.6%
2016	11	68.0%	525	105,232	Suspension — 27.6%
2017	12	67.9%	165	111,090	Brakes — 32.7%
2018	13	62.9%	97	111,378	Suspension — 42.3%
2019	14	61.1%	113	111,670	Tyres — 47.8%
2020	15	72.0%	82	118,757	Brakes — 43.9%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes Cls 320, with age trends.

Tyres

26.5%

↑ Increases with age

Suspension

23.3%

↑ Increases with age

Brakes

22.7%

↑ Increases with age

Lamps, reflectors and electrical equipment

18.4%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

10.6%

↑ 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	3.4% (4 yrs)	43.9% (15 yrs)	+40.5%	🔴 ↑
Tyres	13.7% (4 yrs)	42.7% (15 yrs)	+29.0%	🔴 ↑
Suspension	5.6% (4 yrs)	30.5% (15 yrs)	+24.9%	🔴 ↑

Other Manufacture Years

2005 2006 2007 2008 2009 2010

← Back to Mercedes Cls 320 overview

Looking for the best year to buy? See the full comparison on the Mercedes Cls 320 page →

About This Data

This page shows how Mercedes Cls 320 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 4,999 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.