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WN04 XSU

2004 Mercedes-benz Slk

Red Petrol 1998cc
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MOT Status

Valid
Expires25 Apr 2027
Tests27 (19 pass, 8 fail)
Pass rate70.4%

Mileage

101,985 mi
Last recorded101,985 miles
Recorded on20 Apr 2026
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

RegistrationWN04 XSU
MakeMercedes-benz
ModelSlk
Year2004
ColourRed
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 8 fail
Pass 20 Apr 2026 101,985 miles

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Fail 20 Apr 2026 101,985 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Rear fog lamp not working (4.5.1 (a) (ii))

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Pass 26 Apr 2025 101,558 miles

Age related corrosion

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

Fail 26 Apr 2025 101,558 miles

Age related corrosion

Offside Rear Position lamp not working (4.2.1 (a) (ii))

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

Pass 1 Jul 2024 100,041 miles

Headlamp has a product on the lens but not seriously reducing light output both front headlights (4.1.4 (b))

Fail 1 Jul 2024 100,041 miles

Electronic stability control warning lamp indicates a fault (7.12 (e))

Headlamp has a product on the lens but not seriously reducing light output both front headlights (4.1.4 (b))

Pass 3 Jul 2023 94,250 miles

Front Direction indicator slightly discoloured x2 (4.4.3 (a))

Tyre slightly damaged/cracking or perishing all four tyres slightly cracking (5.2.3 (d) (ii))

Fail 14 Jun 2023 94,249 miles

Front Headlamp not working on main beam (4.1.1 (a) (ii))

Offside Rear Rear fog lamp not working (4.5.1 (a) (ii))

Tyre slightly damaged/cracking or perishing all four tyres slightly cracking (5.2.3 (d) (ii))

Pass 21 Jul 2021 94,177 miles
Fail 9 Jul 2021 94,177 miles

Central Prop shaft bearing excessively worn (6.1.7 (b) (i))

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Rear Position lamp not working (4.2.1 (a) (ii))

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

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

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

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

Registration plate incorrect (0.1 (c))

Pass 6 Aug 2020 93,569 miles
Pass 19 Aug 2019 92,913 miles
Pass 12 Jul 2018 92,234 miles

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

center prop bearing split

front discs worn

Fail 5 Jul 2018 92,213 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

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

center prop bearing split

front discs worn

Pass 20 Jun 2017 85,294 miles
Pass 12 Jul 2016 81,434 miles
Pass 6 Jul 2015 75,738 miles

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

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

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

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

exhaust corroded

Pass 9 Jul 2014 70,406 miles
Pass 12 Jul 2013 64,263 miles
Pass 12 Jul 2012 59,606 miles

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

Pass 14 Jul 2011 52,910 miles

Centre Exhaust has part of the system slightly deteriorated (7.1.1a)

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

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

Pass 8 Jun 2010 46,886 miles
Fail 8 Jun 2010 46,886 miles

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

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

Nearside Rear Stop lamp not working (1.2.1b)

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

Pass 27 Jul 2009 42,989 miles

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

both rear tryes 3mm

Pass 21 Jul 2008 36,670 miles
Fail 21 Jul 2008 36,670 miles

Nearside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Offside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

brake fluid level low

restricted view of rear sus coil springs but look and feel complete

slight play in steering

slight rumble from nearside rear wheel but sounds like brake noise

slight rumble through rear diff when rear wheels span

steering damper damp

very slight play in both front wheel bearings

Pass 9 Aug 2007 29,395 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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WN04 XSU is a 2004 Mercedes-benz Slk in Red with a 1,998cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 70.4%.

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 WN04 XSU, 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 WN04 XSU?

You can check the full history of WN04 XSU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was WN04 XSU registered?

WN04 XSU is a 2004 Mercedes-benz Slk, first registered on 30 March 2004.

Is WN04 XSU safe to buy?

The MOT history for WN04 XSU shows 27 tests with a 70.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does WN04 XSU 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 WN04 XSU. 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.