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OW55 RCZ

2006 Mercedes-benz Cls

Silver Diesel 2987cc
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MOT Status

Valid
Expires15 Dec 2026
Tests22 (13 pass, 9 fail)
Pass rate59.1%

Mileage

151,228 mi
Last recorded151,228 miles
Recorded on16 Dec 2025
Typical for 2006 Mercedes-benz Cls81,294 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationOW55 RCZ
MakeMercedes-benz
ModelCls
Year2006
ColourSilver
Fuel typeDiesel
Engine2,987cc

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

13 pass 9 fail
Pass 16 Dec 2025 151,228 miles

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

Front Brake pad(s) wearing thin ns and os (1.1.13 (a) (ii))

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Front Vehicle structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security shock mount (6.2.2 (d) (i))

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

Offside Rear Vehicle structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security shock mount (6.2.2 (d) (i))

Fail 11 Dec 2025 151,223 miles

Front Headlamp has a product on the lens so that the light output is severely reduced ns and os (4.1.4 (b))

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i))

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

Nearside Rear Outer Prop shaft joint constant velocity boot no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

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

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

Undertray likely to become detached (6.2.1 (a) (ii)) DANGEROUS

Front Brake pad(s) wearing thin ns and os (1.1.13 (a) (ii))

Offside Front Vehicle structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security shock mount (6.2.2 (d) (i))

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

Offside Rear Vehicle structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security shock mount (6.2.2 (d) (i))

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

Pass 5 Dec 2024 147,548 miles

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

Front Lower engine covers/under trays fitted

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

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

Offside Front Inner Tyre wearing thin inner egde

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

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

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Rear Outer Brake disc worn, pitted or scored, but not seriously weakened both rear (1.1.14 (a) (ii))

Pass 4 Dec 2023 143,316 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 Front Tyre slightly damaged (5.2.3 (d) (ii))

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

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

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

Rear Coil spring corroded both (5.3.1 (b) (i))

engine covers/under trays fitted

Pass 7 Dec 2022 139,940 miles

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

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing inner wall (5.2.3 (d) (ii))

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

Offside Rear Tyre slightly damaged/cracking or perishing inner wall (5.2.3 (d) (ii))

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

engine covers and undertrays fitted

Fail 6 Dec 2022 139,939 miles

Nearside Front Upper Suspension arm ball joint excessively worn (5.3.4 (a) (i))

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

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing inner wall (5.2.3 (d) (ii))

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

Offside Rear Tyre slightly damaged/cracking or perishing inner wall (5.2.3 (d) (ii))

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

engine covers and undertrays fitted

Pass 17 Nov 2021 136,702 miles

both rear coil springs corroding

oil leak on engine

rear brake disks corroding

Pass 27 Nov 2020 133,419 miles

Nearside Front Side repeater lens defective which has no effect on emitted light lens damaged (4.4.1 (b) (i))

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

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

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

Fail 26 Nov 2020 133,419 miles

Nearside Front Tyre has ply or cords exposed side wall and tread (5.2.3 (d) (ii)) DANGEROUS

Nearside Front Side repeater lens defective which has no effect on emitted light lens damaged (4.4.1 (b) (i))

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

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

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

Pass 9 Dec 2019 130,908 miles

Front Vehicle structure is corroded but structural rigidity is not significantly reduced o/s and n/s (6.1.1 (c) (i))

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

Nearside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

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

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

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

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

Offside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Vehicle structure is corroded but structural rigidity is not significantly reduced o/s and n/s (6.1.1 (c) (i))

Fail 5 Dec 2019 130,908 miles

Parking brake lever defective so that it cannot be satisfactorily operated broken (1.1.6 (d))

Nearside Front Tyre has ply or cords damaged side wall (5.2.3 (d) (ii)) DANGEROUS

Front Vehicle structure is corroded but structural rigidity is not significantly reduced o/s and n/s (6.1.1 (c) (i))

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

Nearside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

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

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

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

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

Offside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Vehicle structure is corroded but structural rigidity is not significantly reduced o/s and n/s (6.1.1 (c) (i))

Pass 30 Nov 2018 127,269 miles

both front wheel bearings slight play

emissions too clean to register

front brake disks scored on braking face

nearside rear brake slight fluctuation on application

nearside rear tyre tread depth low

offside rear tyre tread depth low 274/35/18

oil leak on engine

Fail 26 Nov 2018 127,269 miles

Nearside Rear Exhaust system insecure (6.1.2 (a))

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

both front wheel bearings slight play

emissions too clean to register

front brake disks scored on braking face

nearside rear brake slight fluctuation on application

nearside rear tyre tread depth low

offside rear tyre tread depth low 274/35/18

oil leak on engine

Pass 15 Nov 2017 123,442 miles

oil leak on engine

sight cut to osf tyre outer side wall but not to inner structure

Pass 23 Nov 2016 120,264 miles
Fail 22 Nov 2016 120,264 miles

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

Pass 26 Nov 2015 116,739 miles
Fail 24 Nov 2015 116,739 miles

Nearside Front Front position lamp(s) not working (1.1.A.3b)

Nearside Front Lower Suspension arm ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt front (2.4.G.2)

Nearside Rear Brake pipe excessively corroded (3.6.B.2c)

Offside Rear Brake pipe excessively corroded (3.6.B.2c)

Pass 2 Dec 2014 111,359 miles
Fail 2 Dec 2014 111,359 miles

Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.4.G.2)

Pass 25 Feb 2014 103,424 miles

Under-trays fitted obscuring some underside components

Fail 24 Feb 2014 103,424 miles

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

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

Under-trays fitted obscuring some underside components

How Reliable is the Mercedes-benz Cls?

Based on 421,126 MOT tests across 35,498 vehicles.

79.8%
Pass Rate
6,663
Miles/Year
21
Year Lifespan
35,498
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,450
Tyre has ply or cords exposed 6,682
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 2,819
Suspension arm has excessive play in a ball joint 2,595
suspension has excessive play in a lower suspension ball joint 2,284
Full Mercedes-benz Cls reliability report

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OW55 RCZ is a 2006 Mercedes-benz Cls in Silver with a 2,987cc diesel engine. This vehicle has been through 22 MOT tests with a personal pass rate of 59.1%.

Across all 2006 Mercedes-benz Cls models, the average MOT pass rate is 77.5% with a typical mileage of 81,294 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 Cls fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,450 recorded failures. If you're considering buying OW55 RCZ, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Cls typically stays on UK roads for around 21 years. At 20 years old, this Mercedes-benz Cls is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of OW55 RCZ?

You can check the full history of OW55 RCZ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was OW55 RCZ registered?

OW55 RCZ is a 2006 Mercedes-benz Cls, first registered on 31 December 2006.

Is OW55 RCZ safe to buy?

The MOT history for OW55 RCZ shows 22 tests with a 59.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does OW55 RCZ 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 OW55 RCZ. 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.