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KN04 KNB

2004 Mercedes-benz Slk

Black Petrol 3199cc
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MOT Status

Valid
Expires26 Dec 2026
Tests22 (19 pass, 3 fail)
Pass rate86.4%

Mileage

105,703 mi
Last recorded105,703 miles
Recorded on2 Dec 2025
Typical for 2004 Mercedes-benz Slk57,472 mi

Significantly above average — investigate

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

RegistrationKN04 KNB
MakeMercedes-benz
ModelSlk
Year2004
ColourBlack
Fuel typePetrol
Engine3,199cc

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 3 fail
Pass 2 Dec 2025 105,703 miles

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

Pass 4 Dec 2024 103,305 miles
Pass 28 Nov 2023 100,804 miles

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

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

Pass 29 Nov 2022 98,818 miles

Prop shaft flexible coupling slightly deteriorated (6.1.7 (d) (i))

Pass 30 Nov 2021 96,906 miles

Fuel Pipe/s corroded ()

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

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

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

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

Pass 2 Dec 2020 95,716 miles

Fuel Pipe/s corroded ()

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

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

Pass 27 Jun 2019 91,051 miles

Fuel Pipe/s corroded ()

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

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

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

Pass 3 Feb 2018 85,440 miles

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

Fail 31 Jan 2018 85,440 miles

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

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

Pass 2 Feb 2017 77,581 miles
Fail 31 Jan 2017 77,580 miles

Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Offside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Pass 15 Aug 2016 73,285 miles

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

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

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

Pass 27 Jul 2015 63,889 miles
Pass 18 Aug 2014 57,663 miles
Pass 19 Aug 2013 50,167 miles
Pass 20 Aug 2012 43,211 miles
Pass 18 Aug 2011 35,416 miles
Pass 12 Jul 2010 34,688 miles
Pass 15 Apr 2009 30,663 miles
Fail 15 Apr 2009 30,663 miles

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Stop lamp not working (1.2.1b)

Pass 16 Apr 2008 25,291 miles
Pass 28 Mar 2007 17,802 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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KN04 KNB is a 2004 Mercedes-benz Slk in Black with a 3,199cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 86.4%.

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 performed better than the average for its year.

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 KN04 KNB, 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 KN04 KNB?

You can check the full history of KN04 KNB by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN04 KNB registered?

KN04 KNB is a 2004 Mercedes-benz Slk, first registered on 30 March 2004.

Is KN04 KNB safe to buy?

The MOT history for KN04 KNB shows 22 tests with a 86.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN04 KNB 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 KN04 KNB. 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.