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KN54 YAA

2004 Mercedes-benz Slk

Blue Petrol 3498cc
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MOT Status

Expired
Expires11 May 2026
Tests24 (18 pass, 6 fail)
Pass rate75%

Mileage

83,301 mi
Last recorded83,301 miles
Recorded on12 May 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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Vehicle Details

RegistrationKN54 YAA
MakeMercedes-benz
ModelSlk
Year2004
ColourBlue
Fuel typePetrol
Engine3,498cc
View full Mercedes-benz Slk reliability data Browse other 2004 Mercedes-benz Slk registrations

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

18 pass 6 fail
Pass 12 May 2025 83,301 miles
Fail 8 May 2025 83,301 miles

Nearside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))

Offside Front Anti-roll bar pin or bush excessively worn (5.3.4 (a) (i))

Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced subframe both sides (6.1.1 (c) (i))

Pass 11 Jun 2024 81,215 miles

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

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Nearside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

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

Nearside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

Offside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Rear Stop lamp(s) non-obligatory stop lamp not working (4.3.1 (a) (ii))

Pass 26 Jun 2023 79,145 miles

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

Central Stop lamp(s) non-obligatory stop lamp not working (4.3.1 (a) (ii))

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

Nearside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Fail 15 Jun 2023 79,139 miles

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

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

Central Stop lamp(s) non-obligatory stop lamp not working (4.3.1 (a) (ii))

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

Nearside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Pass 15 Jun 2022 76,956 miles

Brake pipe corroded, covered in grease or other material Front to rear (1.1.11 (c))

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

Nearside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

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

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

Offside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Obligatory mirror slightly damaged (3.3 (b) (i))

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

Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

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

Pass 21 Jun 2021 74,537 miles

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

Nearside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Nearside Rear Position lamp with a multiple light source up to 1/2 not functioning (4.2.1 (a) (i))

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

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

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

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

Offside Front Upper Macpherson strut pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Obligatory mirror slightly damaged (3.3 (b) (i))

Pass 26 Jun 2020 73,146 miles

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

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

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

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

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

Fail 25 Jun 2020 73,146 miles

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

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

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

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

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

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

Pass 20 Jun 2019 70,914 miles

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

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

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

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

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

Fail 20 Jun 2019 70,914 miles

Nearside Front Suspension arm ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

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

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

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

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

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

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

Pass 14 Jun 2018 68,299 miles

Nearside Front Anti-roll bar ball joint has slight play (5.3.4 (a) (i))

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

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

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

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

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

Pass 22 Jun 2017 65,389 miles

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

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

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

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

Pass 9 Jun 2016 62,971 miles

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

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

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

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

Pass 11 Jun 2015 60,293 miles

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

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

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

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

Fail 11 Jun 2015 60,293 miles

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

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

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

Nearside Headlamp deteriorated but light output not reduced (1.7.5a)

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

Offside Headlamp deteriorated but light output not reduced (1.7.5a)

Pass 1 Jul 2014 57,869 miles
Pass 4 Jul 2013 54,250 miles
Pass 15 Jun 2012 50,126 miles

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

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

Fail 14 Jun 2012 50,122 miles

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

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

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

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

Pass 9 Jul 2011 39,914 miles
Pass 4 Jun 2010 24,945 miles

Front brake disc slightly scored (3.5.1h)

Pass 8 Apr 2009 21,984 miles

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

Pass 15 Oct 2007 14,670 miles

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

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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KN54 YAA is a 2004 Mercedes-benz Slk in Blue with a 3,498cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 75%.

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 KN54 YAA, 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 KN54 YAA?

You can check the full history of KN54 YAA by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN54 YAA registered?

KN54 YAA is a 2004 Mercedes-benz Slk, first registered on 11 October 2004.

Is KN54 YAA safe to buy?

The MOT history for KN54 YAA shows 24 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN54 YAA 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 KN54 YAA. 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.