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K121 RUM

2008 Mercedes-benz Cl 500

Silver Petrol 5462cc
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MOT Status

Valid
Expires5 Dec 2026
Tests19 (15 pass, 4 fail)
Pass rate78.9%

Mileage

95,823 mi
Last recorded95,823 miles
Recorded on28 Nov 2025
Typical for 2008 Mercedes-benz Cl 50064,112 mi

Significantly above average — investigate

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

RegistrationK121 RUM
MakeMercedes-benz
ModelCl 500
Year2008
ColourSilver
Fuel typePetrol
Engine5,462cc

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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 4 fail
Pass 28 Nov 2025 95,823 miles
Pass 6 Dec 2024 93,016 miles
Fail 28 Nov 2024 93,016 miles

Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Pass 25 Jan 2024 80,733 miles

Nearside Front Suspension arm modified but not seriously weakened rear arm (5.3.3 (c) (i))

Nearside Front Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Front fog lamp inoperative

Offside Front Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Fail 18 Jan 2024 80,720 miles

Nearside Front Lower Suspension arm ball joint dust cover no longer prevents the ingress of dirt rear (5.3.4 (b) (ii))

Nearside Front Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Nearside Front fog lamp inoperative

Offside Front Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Pass 21 Jan 2023 64,157 miles

Nearside Front fog lamp inoperative

Oil leak, but not excessive (8.4.1 (a) (i))

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. 17% (1.4.2 (a) (i))

exhaust corroded

Fail 19 Jan 2023 64,157 miles

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Nearside Front Road wheel has a welding defect (5.2.2 (a)) DANGEROUS

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

Nearside Front fog lamp inoperative

Oil leak, but not excessive (8.4.1 (a) (i))

Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. 17% (1.4.2 (a) (i))

TPMS warning light illuminated

exhaust corroded

Pass 20 Jan 2022 54,291 miles

Front and rear brake discs worn

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

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

Nearside front lower skirt damaged

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

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

Pass 21 Jan 2021 39,538 miles
Fail 20 Jan 2021 39,528 miles

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

Pass 13 Nov 2019 27,333 miles
Pass 5 Dec 2018 26,458 miles
Pass 6 Dec 2017 24,813 miles
Pass 10 Dec 2016 23,360 miles
Pass 28 Oct 2015 22,203 miles

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

Pass 29 Sep 2014 19,492 miles
Pass 29 Oct 2013 16,314 miles
Pass 26 Oct 2012 13,047 miles
Pass 17 Oct 2011 10,350 miles

How Reliable is the Mercedes-benz Cl 500?

Based on 69,232 MOT tests across 4,285 vehicles.

78.6%
Pass Rate
4,114
Miles/Year
29
Year Lifespan
4,285
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 3,209
Brake pipe excessively corroded 902
Tyre has ply or cords exposed 877
position lamp(s) not working 711
Suspension arm has excessive play in a ball joint 698
Full Mercedes-benz Cl 500 reliability report

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K121 RUM is a 2008 Mercedes-benz Cl 500 in Silver with a 5,462cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 78.9%.

Across all 2008 Mercedes-benz Cl 500 models, the average MOT pass rate is 82.6% with a typical mileage of 64,112 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 Cl 500 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 3,209 recorded failures. If you're considering buying K121 RUM, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Cl 500 typically stays on UK roads for around 29 years. At 18 years old, this Mercedes-benz Cl 500 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of K121 RUM?

You can check the full history of K121 RUM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K121 RUM registered?

K121 RUM is a 2008 Mercedes-benz Cl 500, first registered on 26 September 2008.

Is K121 RUM safe to buy?

The MOT history for K121 RUM shows 19 tests with a 78.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does K121 RUM 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 K121 RUM. 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.