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S121 ROK

2009 Mercedes-benz Clk

Black Diesel 2148cc
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MOT Status

Valid
Expires20 Jan 2027
Tests19 (14 pass, 5 fail)
Pass rate73.7%

Mileage

123,375 mi
Last recorded123,375 miles
Recorded on21 Jan 2026
Typical for 2009 Mercedes-benz Clk66,318 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
Stolen
Finance
Write-off
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Vehicle Details

RegistrationS121 ROK
MakeMercedes-benz
ModelClk
Year2009
ColourBlack
Fuel typeDiesel
Engine2,148cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

14 pass 5 fail
Pass 21 Jan 2026 123,375 miles
Pass 13 Jan 2025 120,700 miles
Fail 15 Nov 2024 120,534 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Front Brake pipe corroded, covered in grease or other material os and ns (1.1.11 (c))

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Front Service brake fluctuating, but not excessively (1.2.1 (e))

Items removed from driver's view prior to test ()

Nearside Front Service brake binding but not excessively (1.2.1 (f))

Rear Tyre worn close to legal limit/worn on edge os and ns (5.2.3 (e))

Pass 2 Nov 2023 117,109 miles
Pass 13 Oct 2022 114,580 miles

Nearside Front Tyre worn close to legal limit/worn on edge worn outer edge pass at time of test tread 2.5 mm (5.2.3 (e))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Tyre worn close to legal limit/worn on edge worn outer edge pass at time of test tread 3.0mm (5.2.3 (e))

Fail 5 Oct 2022 114,515 miles

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Nearside Front Tyre worn close to legal limit/worn on edge worn outer edge pass at time of test tread 2.5 mm (5.2.3 (e))

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Tyre worn close to legal limit/worn on edge worn outer edge pass at time of test tread 3.0mm (5.2.3 (e))

Pass 21 Sep 2021 110,407 miles

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 4 Sep 2020 105,567 miles

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Rear Tyre has a cut but not deep enough to reach the ply or cords inner side wall (5.2.3 (d) (i))

Pass 4 Sep 2019 100,553 miles
Pass 22 Jan 2019 96,713 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fail 21 Jan 2019 96,697 miles

Nearside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 12 Jan 2018 86,496 miles

Tyre worn close to the legal limit Both sides rear (4.1.E.1)

Pass 12 Jan 2017 78,629 miles
Pass 24 Feb 2015 63,667 miles
Fail 23 Feb 2015 63,667 miles

Nearside Front Tyre has ply or cords exposed (4.1.D.1b)

Offside Front Tyre has ply or cords exposed (4.1.D.1b)

Pass 25 Apr 2014 55,126 miles
Fail 24 Apr 2014 55,126 miles

Nearside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 24 Apr 2013 42,385 miles

ADVISE ALL TYRES WORN VERY CLOSE TO LIMITS REPLACEMENTS REQUIRED AS SOON AS POSSIBLE..

Pass 10 May 2012 29,915 miles

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

How Reliable is the Mercedes-benz Clk?

Based on 1,410,029 MOT tests across 83,874 vehicles.

74.7%
Pass Rate
4,986
Miles/Year
28
Year Lifespan
83,874
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 59,319
coil spring broken 19,719
Suspension arm has excessive play in a ball joint 16,744
Track rod end ball joint has excessive play 14,943
Brake pad(s) less than 1.5 mm thick 14,136
Full Mercedes-benz Clk reliability report

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S121 ROK is a 2009 Mercedes-benz Clk in Black with a 2,148cc diesel engine. This vehicle has been through 19 MOT tests with a personal pass rate of 73.7%.

Across all 2009 Mercedes-benz Clk models, the average MOT pass rate is 75.8% with a typical mileage of 66,318 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mercedes-benz Clk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 59,319 recorded failures. If you're considering buying S121 ROK, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Clk typically stays on UK roads for around 28 years. At 17 years old, this Mercedes-benz Clk is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of S121 ROK?

You can check the full history of S121 ROK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S121 ROK registered?

S121 ROK is a 2009 Mercedes-benz Clk, first registered on 27 March 2009.

Is S121 ROK safe to buy?

The MOT history for S121 ROK shows 19 tests with a 73.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S121 ROK have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on S121 ROK. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.