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KN09 XSU

2009 Mercedes-benz Slk

Black Petrol 1796cc
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MOT Status

Valid
Expires3 Feb 2027
Tests20 (14 pass, 6 fail)
Pass rate70%

Mileage

130,108 mi
Last recorded130,108 miles
Recorded on4 Feb 2026
Typical for 2009 Mercedes-benz Slk47,311 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

RegistrationKN09 XSU
MakeMercedes-benz
ModelSlk
Year2009
ColourBlack
Fuel typePetrol
Engine1,796cc

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

14 pass 6 fail
Pass 4 Feb 2026 130,108 miles

Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Play in steering rack inner joint(s) ()

Nearside Rear Tyre worn close to legal limit/worn on edge 1.7mm (5.2.3 (e))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Play in steering rack inner joint(s) ()

Offside Rear Tyre worn close to legal limit/worn on edge 1.9mm (5.2.3 (e))

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

undertrays fitted to vehicle

Fail 1 Feb 2026 130,096 miles

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

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

Nearside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Nearside Play in steering rack inner joint(s) ()

Nearside Rear Tyre worn close to legal limit/worn on edge 1.7mm (5.2.3 (e))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Play in steering rack inner joint(s) ()

Offside Rear Tyre worn close to legal limit/worn on edge 1.9mm (5.2.3 (e))

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

undertrays fitted to vehicle

Pass 3 Feb 2025 122,013 miles

Front Shock absorbers has a reduced damping effect (5.3.2 (d))

Front Suspension arm pin or bush worn but not resulting in excessive movement Both sides (Front Arms),Rubber Cracked,Slight Fluid Leak. (5.3.4 (a) (i))

Nearside Front Headlight Slightly Loose.

Nearside Front Play in steering rack inner joint(s) ()

Undertray obscuring view to some testable items.

Pass 20 Nov 2023 114,299 miles
Pass 9 Dec 2022 111,396 miles

Tyre worn close to legal limit/worn on edge All 4 (5.2.3 (e))

Pass 6 Sep 2021 102,376 miles

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

Pass 26 Aug 2020 98,488 miles
Fail 19 Aug 2020 98,485 miles

Nearside Front Lower Suspension arm pin or bush excessively worn arm inner bush (5.3.4 (a) (i))

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

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

Offside Front Brake disc worn, pitted or scored, but not seriously weakened scored,,and corroded on inner surface (1.1.14 (a) (ii))

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

Pass 1 Apr 2019 89,206 miles
Fail 1 Apr 2019 89,206 miles

Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))

Pass 10 Apr 2018 85,885 miles
Fail 9 Apr 2018 85,885 miles

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

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

Pass 29 Mar 2017 81,935 miles

Both front tyres worn on inner edges

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

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

Under-trays fitted obscuring some underside components

Fail 29 Mar 2017 81,935 miles

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

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

Both front tyres worn on inner edges

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

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

Under-trays fitted obscuring some underside components

Pass 23 Mar 2016 77,380 miles

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

Offside Front Tyre has nail.

Offside Rear Tyre has nail.

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

Pass 21 Mar 2015 69,315 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Fail 12 Mar 2015 68,696 miles

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

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

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

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 12 Apr 2014 51,421 miles

Nearside Inner Front Road wheel with a slightly distorted bead rim (4.2.A.1a)

Under-trays fitted obscuring some underside components

Pass 18 Mar 2013 39,813 miles
Pass 29 May 2012 33,606 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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KN09 XSU is a 2009 Mercedes-benz Slk in Black with a 1,796cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 70%.

Across all 2009 Mercedes-benz Slk models, the average MOT pass rate is 80.7% with a typical mileage of 47,311 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 KN09 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 17 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 KN09 XSU?

You can check the full history of KN09 XSU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN09 XSU registered?

KN09 XSU is a 2009 Mercedes-benz Slk, first registered on 16 May 2009.

Is KN09 XSU safe to buy?

The MOT history for KN09 XSU shows 20 tests with a 70% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 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 KN09 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.