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R121 KSY

2007 Mercedes-benz Clk

Black Diesel 2148cc
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MOT Status

Valid
Expires13 Nov 2026
Tests23 (15 pass, 8 fail)
Pass rate65.2%

Mileage

171,135 mi
Last recorded171,135 miles
Recorded on6 Nov 2025
Typical for 2007 Mercedes-benz Clk71,984 mi

Significantly above average — investigate

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

RegistrationR121 KSY
MakeMercedes-benz
ModelClk
Year2007
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

15 pass 8 fail
Pass 6 Nov 2025 171,135 miles

Offside Rear Drive shaft joint constant velocity boot severely deteriorated slight seepage (6.1.7 (g) (i))

Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement both drop links (5.3.4 (a) (i))

Rear Anti-roll bar pin or bush worn but not resulting in excessive movement both D bushes (5.3.4 (a) (i))

Fail 6 Nov 2025 171,134 miles

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

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

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Rear Drive shaft joint constant velocity boot severely deteriorated slight seepage (6.1.7 (g) (i))

Offside Rear Tyre worn close to legal limit/worn on edge strong advise (5.2.3 (e))

Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement both drop links (5.3.4 (a) (i))

Rear Anti-roll bar pin or bush worn but not resulting in excessive movement both D bushes (5.3.4 (a) (i))

Pass 7 Nov 2024 167,691 miles

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Rear Inner cv gaiter has slight seepage

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

Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))

Fail 7 Nov 2024 167,691 miles

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

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

Nearside Rear Inner Road wheel fractured (5.2.2 (a)) DANGEROUS

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Rear Inner cv gaiter has slight seepage

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

Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))

Pass 8 Nov 2023 163,747 miles

Nearside Rear Anti-roll bar linkage ball joint has slight play strong advisory (5.3.4 (a) (i))

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Rear drive shaft slight seepage

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

Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))

brake pedal spongy

Fail 8 Nov 2023 163,746 miles

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

Nearside Rear Anti-roll bar linkage ball joint has slight play strong advisory (5.3.4 (a) (i))

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Rear drive shaft slight seepage

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

Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))

brake pedal spongy

Pass 10 Nov 2022 159,015 miles
Pass 9 Nov 2021 154,283 miles

Nearside Front Brake hose slightly chafed (1.1.12 (b) (i))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

Pass 3 Nov 2020 149,867 miles
Pass 5 Nov 2019 146,842 miles

Brake pipe corroded, covered in grease or other material o/s front to rear at rear (1.1.11 (c))

Central Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))

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

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

slight damage to n/s rear wheel

Pass 13 Nov 2018 143,637 miles

Brake pipe corroded, covered in grease or other material o/s front to rear at rear (1.1.11 (c))

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

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

Fail 9 Nov 2018 143,631 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Rear Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii)) DANGEROUS

Brake pipe corroded, covered in grease or other material o/s front to rear at rear (1.1.11 (c))

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

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

Pass 2 Nov 2017 140,452 miles

Central Rear Stop lamp has light sources not illuminating, but not more than 50% (1.2.1b)

brake disc worn, pitted or scored, but not seriously weakened both front (3.5.1i)

brake disc worn, pitted or scored, but not seriously weakened both rear (3.5.1i)

Fail 2 Nov 2017 140,452 miles

Nearside Rear coil spring broken (2.4.C.1a)

Central Rear Stop lamp has light sources not illuminating, but not more than 50% (1.2.1b)

brake disc worn, pitted or scored, but not seriously weakened both front (3.5.1i)

brake disc worn, pitted or scored, but not seriously weakened both rear (3.5.1i)

Pass 14 Nov 2016 135,434 miles
Fail 7 Nov 2016 135,274 miles

Nearside Front Lower Suspension arm has excessive play in a ball joint back arm (2.4.G.2)

Nearside Front coil spring broken (2.4.C.1a)

Offside Front Lower Suspension arm has excessive play in a ball joint back arm (2.4.G.2)

Pass 9 Nov 2015 122,882 miles

Nearside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Fail 9 Nov 2015 122,882 miles

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

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

Nearside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

Pass 1 Nov 2014 109,837 miles

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

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

Pass 8 Nov 2013 97,640 miles
Pass 12 Nov 2012 92,430 miles

Engine covers fitted obscuring some components in the engine bay

Front Brake pad(s) wearing thin (3.5.1g)

Under-trays fitted obscuring some underside components

Pass 13 Oct 2011 76,638 miles
Fail 12 Oct 2011 76,638 miles

Nearside Front Wheel bolt(s) missing (4.2.A.1e)

Offside Front Wheel bolt(s) missing (4.2.A.1e)

Offside Rear Wheel bolt(s) missing (4.2.A.1e)

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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R121 KSY is a 2007 Mercedes-benz Clk in Black with a 2,148cc diesel engine. This vehicle has been through 23 MOT tests with a personal pass rate of 65.2%.

Across all 2007 Mercedes-benz Clk models, the average MOT pass rate is 75.1% with a typical mileage of 71,984 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 R121 KSY, 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 19 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 R121 KSY?

You can check the full history of R121 KSY by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R121 KSY registered?

R121 KSY is a 2007 Mercedes-benz Clk, first registered on 29 March 2007.

Is R121 KSY safe to buy?

The MOT history for R121 KSY shows 23 tests with a 65.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R121 KSY 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 R121 KSY. 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.