2011 Mercedes Slk 250 — MOT History by Age

How cars manufactured in 2011 perform at MOT as they age

15 years

Current Age

82.4%

Latest Pass Rate

1,859

Total Tests (All Years)

46,446 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Slk 250

Compared to Average at Age 9

This car: 82.4%

Average: 62.0%

✅ 20.4% above average (15872 models compared)

How This Car Ages

Pass rate progression for the 2011 Mercedes Slk 250 as it ages.

3 yrs92.8%

→ ↓2.3%

4 yrs90.5%

→ ↓0.4%

5 yrs90.1%

→ ↓0.5%

6 yrs89.6%

→ ↓4.2%

7 yrs85.4%

→ ↑1.7%

8 yrs87.1%

→ ↓4.7%

9 yrs82.4%

📊 View as table

Age	Pass Rate	Tests
3 yrs	92.8%	290
4 yrs	90.5%	304
5 yrs	90.1%	292
6 yrs	89.6%	299
7 yrs	85.4%	205
8 yrs	87.1%	224
9 yrs	82.4%	245

Pass Rate Trend

How the 2011 Mercedes Slk 250 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (9 yrs)	82.4%	245
2019 (8 yrs)	87.1%	224
2018 (7 yrs)	85.4%	205
2017 (6 yrs)	89.6%	299
2016 (5 yrs)	90.1%	292
2015 (4 yrs)	90.5%	304
2014 (3 yrs)	92.8%	290

Year-by-Year MOT Results

2014

92.8%

Age (yrs) 3Tests 290Avg Mileage 17,788Top Failure Tyres — 12.1%

2015

90.5%

Age (yrs) 4Tests 304Avg Mileage 23,640Top Failure Tyres — 8.6%

2016

90.1%

Age (yrs) 5Tests 292Avg Mileage 29,121Top Failure Tyres — 9.6%

2017

89.6%

Age (yrs) 6Tests 299Avg Mileage 33,841Top Failure Tyres — 10.0%

2018

85.4%

Age (yrs) 7Tests 205Avg Mileage 37,954Top Failure Tyres — 16.1%

2019

87.1%

Age (yrs) 8Tests 224Avg Mileage 42,926Top Failure Brakes — 8.5%

2020

82.4%

Age (yrs) 9Tests 245Avg Mileage 46,446Top Failure Tyres — 18.4%

MOT results for 2011 Mercedes Slk 250 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2014	3	92.8%	290	17,788	Tyres — 12.1%
2015	4	90.5%	304	23,640	Tyres — 8.6%
2016	5	90.1%	292	29,121	Tyres — 9.6%
2017	6	89.6%	299	33,841	Tyres — 10.0%
2018	7	85.4%	205	37,954	Tyres — 16.1%
2019	8	87.1%	224	42,926	Brakes — 8.5%
2020	9	82.4%	245	46,446	Tyres — 18.4%

Common MOT Failures

Top failure categories across all test years for 2011 Mercedes Slk 250, with age trends.

Tyres

11.8%

↑ Increases with age

Brakes

4.9%

↑ Increases with age

Lamps, reflectors and electrical equipment

4.8%

↑ Increases with age

Suspension

3.9%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

3.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Tyres	12.1% (3 yrs)	18.4% (9 yrs)	+6.3%	🔴 ↑

Other Manufacture Years

2011 2012 2013

← Back to Mercedes Slk 250 overview

Looking for the best year to buy? See the full comparison on the Mercedes Slk 250 page →

About This Data

This page shows how Mercedes Slk 250 cars manufactured in 2011 perform at MOT as they age. Data spans from 2014 to 2020, covering 1,859 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.