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R999 UNG

2017 Mercedes-benz Cls

White Diesel 2987cc
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MOT Status

Valid
Expires31 May 2027
Tests28 (20 pass, 8 fail)
Pass rate71.4%

Mileage

141,975 mi
Last recorded141,975 miles
Recorded on1 Jun 2026
Typical for 2017 Mercedes-benz Cls44,135 mi

Significantly above average — investigate

4 checks still locked for this Mercedes-benz
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Vehicle Details

RegistrationR999 UNG
MakeMercedes-benz
ModelCls
Year2017
ColourWhite
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

20 pass 8 fail
Pass 1 Jun 2026 141,975 miles
Pass 25 Feb 2026 78,854 miles

Nearside Rear 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 (5.2.3 (d) (i))

Fail 24 Feb 2026 78,841 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

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

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

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

Pass 29 May 2025 138,693 miles

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

Front Inner Play in steering rack inner joint(s) both sides

Front Wheel bearing has slight play both sides (5.1.3 (a) (i))

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Offside Rear Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))

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

Rear Exhaust mounting defective (6.1.2 (a))

Fail 3 May 2025 138,683 miles

Nearside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Central Rear Exhaust mounting defective (6.1.2 (a))

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

Front Inner Play in steering rack inner joint(s) both sides

Front Wheel bearing has slight play both sides (5.1.3 (a) (i))

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Offside Rear Brake hose has slight corrosion to ferrule (1.1.12 (f) (i))

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

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

Pass 19 Feb 2025 65,081 miles

Central Front Registration plate insecure but not likely to fall off plate loose (0.1 (a))

Central Front Upper Driver's view Items removed from driver's view prior to test air freshener removed (3.1 (a) (ii))

Pass 12 Apr 2024 133,748 miles

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

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated rear in hub (5.3.4 (b) (i))

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

Offside Front steering arm slight play

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

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

chip in windscreen

nearside rear exhaust hanger corroded and broken

Fail 3 Apr 2024 133,734 miles

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

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

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

Nearside Front Lower Suspension arm ball joint dust cover severely deteriorated rear in hub (5.3.4 (b) (i))

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

Offside Front Windscreen wiper blade defective (3.4 (b) (i))

Offside Front steering arm slight play

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

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

chip in windscreen

nearside rear exhaust hanger corroded and broken

Pass 27 Feb 2024 61,377 miles

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

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

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

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

Pass 27 Mar 2023 130,805 miles

Both rear tyres edges worn, inner edge worn low on legal limit

Chip in windscreen

Nearside Front Lower Suspension arm ball joint has slight play Rear arm outer ball joint (5.3.4 (a) (i))

Pass 28 Feb 2023 52,740 miles
Fail 24 Feb 2023 52,697 miles

Nearside Front Tyre has ply or cords exposed worn inner edge to cords 255/3519 pzero (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has ply or cords exposed worn to cords (5.2.3 (d) (ii)) DANGEROUS

Offside Rear Tyre has a bulge, caused by separation or partial failure of its structure 2753019 (5.2.3 (d) (ii)) DANGEROUS

Pass 26 Feb 2022 43,719 miles

Nearside 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 Worn Smooth Inner Edge (5.2.3 (e))

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

Offside Front Tyre worn close to legal limit/worn on edge Worn Smooth Inner Edge (5.2.3 (e))

Fail 26 Feb 2022 43,719 miles

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

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords Inner Sidewall (5.2.3 (d) (i))

Front Brake pad(s) wearing thin Approx 3mm (1.1.13 (a) (ii))

Nearside 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 Worn Smooth Inner Edge (5.2.3 (e))

Nearside Rear Nail in tyre

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

Offside Front Tyre worn close to legal limit/worn on edge Worn Smooth Inner Edge (5.2.3 (e))

Offside Rear Nail in tyre

Pass 22 Feb 2022 128,094 miles

both rear tyres slight worn inner edge

chip in screen

Pass 10 Mar 2021 35,021 miles

engine cover&under tray fitted

Fail 10 Mar 2021 35,021 miles

Nearside Front Tyre has ply or cords exposed 255/35/19 96wxl (5.2.3 (d) (ii)) DANGEROUS

Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

engine cover&under tray fitted

Pass 5 Mar 2021 125,602 miles

Nearside Front lower rear arm ball joint slight play

Nearside Front tyre worn edges low inner edge on limit

Pass 25 Mar 2020 25,316 miles
Pass 7 Mar 2020 123,443 miles

Nearside front tyre worn on inner edge

Fail 29 Feb 2020 123,381 miles

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

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

n/s/f tyre worn inner edged

Pass 22 Feb 2019 119,726 miles

front discs worn

front tyres and rear tyres worn on edges

Pass 22 Dec 2017 113,193 miles

Front Front wheel bearing has slight play Both. (2.5.A.3c)

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

Fail 21 Dec 2017 113,183 miles

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

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

Front Front wheel bearing has slight play Both. (2.5.A.3c)

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

Pass 5 Nov 2016 106,147 miles

rear tyres worn inner edge

Pass 3 Oct 2015 100,438 miles

both rear tyres getting low

Pass 2 Sep 2014 94,324 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 11 Sep 2013 73,787 miles

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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R999 UNG is a 2017 Mercedes-benz Cls in White with a 2,987cc diesel engine. This vehicle has been through 28 MOT tests with a personal pass rate of 71.4%.

Across all 2017 Mercedes-benz Cls models, the average MOT pass rate is 85.5% with a typical mileage of 44,135 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 R999 UNG, 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 9 years old, this Mercedes-benz Cls is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of R999 UNG?

You can check the full history of R999 UNG by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R999 UNG registered?

R999 UNG is a 2017 Mercedes-benz Cls, first registered on 30 March 2017.

Is R999 UNG safe to buy?

The MOT history for R999 UNG shows 28 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R999 UNG 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 R999 UNG. 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.