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WD04 UNN

2004 Mercedes-benz Slk

Black Petrol 1998cc
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MOT Status

Valid
Expires13 Oct 2026
Tests28 (19 pass, 9 fail)
Pass rate67.9%

Mileage

130,666 mi
Last recorded130,666 miles
Recorded on14 Oct 2025
Typical for 2004 Mercedes-benz Slk57,472 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

RegistrationWD04 UNN
MakeMercedes-benz
ModelSlk
Year2004
ColourBlack
Fuel typePetrol
Engine1,998cc

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

19 pass 9 fail
Pass 14 Oct 2025 130,666 miles

Nearside Front Headlamp lens slightly defective (4.1.1 (b) (i))

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords Slight cut in outer sidewall (5.2.3 (d) (i))

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

Offside Front Headlamp lens slightly defective (4.1.1 (b) (i))

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Fail 13 Oct 2025 130,653 miles

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

Nearside Front Headlamp lens slightly defective (4.1.1 (b) (i))

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords Slight cut in outer sidewall (5.2.3 (d) (i))

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

Offside Front Headlamp lens slightly defective (4.1.1 (b) (i))

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 27 Sep 2024 128,823 miles
Pass 27 Sep 2023 126,093 miles
Fail 26 Sep 2023 126,063 miles

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

Pass 21 Sep 2022 124,029 miles

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

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

Pass 24 Sep 2021 121,921 miles

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

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

Fail 22 Sep 2021 121,890 miles

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

Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength sub frame (5.3.6 (a) (i))

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

Pass 25 Sep 2020 118,480 miles
Fail 21 Sep 2020 118,452 miles

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

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Nearside Rear Direction indicator incorrect colour (4.4.3 (a))

Pass 6 Sep 2019 115,045 miles

Front Headlamp lens slightly defective (4.1.1 (b) (i))

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

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

Rear exhaust mounts corroded (broken)

one of two number plate bulb not working

Fail 6 Sep 2019 115,045 miles

Front Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

Front Headlamp lens slightly defective (4.1.1 (b) (i))

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

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

Rear exhaust mounts corroded (broken)

one of two number plate bulb not working

Pass 11 Apr 2018 109,199 miles
Fail 10 Apr 2018 109,199 miles

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

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

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Pass 2 Mar 2017 103,480 miles
Fail 2 Mar 2017 103,480 miles

Offside Headlamp aim too high (1.8)

Pass 15 Mar 2016 94,675 miles

Nearside Front Suspension arm has slight play in a track control arm inner bush (2.5.B.2b)

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

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

Offside Front Suspension arm has slight play in a track control arm inner bush (2.5.B.2b)

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

Pass 16 Mar 2015 89,671 miles

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

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)

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

Offside rear exhaust mount (forward of silencer) corroded

Rear exhaust clamps on both rear unions corroded

Pass 6 Mar 2014 82,863 miles

Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Under-trays fitted obscuring some underside components

front tyres worn heavily inner edges

Fail 6 Mar 2014 82,863 miles

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

Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Nearside Rear coil spring corroded (2.4.C.1b)

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

Under-trays fitted obscuring some underside components

front tyres worn heavily inner edges

Pass 11 Mar 2013 78,233 miles
Pass 16 Mar 2012 74,186 miles
Fail 16 Mar 2012 74,184 miles

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

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

Nearside Stop lamp not working (1.2.1b)

Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

Service brake: efficiency below requirements (3.7.B.7)

Pass 11 Mar 2011 60,973 miles
Pass 30 Apr 2010 55,733 miles

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

Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

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

Nail in nearside front tyre

Pass 27 Aug 2009 46,070 miles
Pass 1 Sep 2008 37,255 miles

front tyres wearing unevenly worn inner edge

Pass 9 Jul 2007 25,531 miles

How Reliable is the Mercedes-benz Slk?

Based on 1,335,553 MOT tests across 81,472 vehicles.

80.0%
Pass Rate
3,226
Miles/Year
29
Year Lifespan
81,472
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 28,060
coil spring broken 11,334
Stop lamp not working 8,797
Brake pipe excessively corroded 8,610
Tyre has ply or cords exposed 8,088
Full Mercedes-benz Slk reliability report

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WD04 UNN is a 2004 Mercedes-benz Slk in Black with a 1,998cc petrol engine. This vehicle has been through 28 MOT tests with a personal pass rate of 67.9%.

Across all 2004 Mercedes-benz Slk models, the average MOT pass rate is 78.0% with a typical mileage of 57,472 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 Slk fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 28,060 recorded failures. If you're considering buying WD04 UNN, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Slk typically stays on UK roads for around 29 years. At 22 years old, this Mercedes-benz Slk is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of WD04 UNN?

You can check the full history of WD04 UNN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was WD04 UNN registered?

WD04 UNN is a 2004 Mercedes-benz Slk, first registered on 15 July 2004.

Is WD04 UNN safe to buy?

The MOT history for WD04 UNN shows 28 tests with a 67.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does WD04 UNN 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 WD04 UNN. 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.