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KN54 RRZ

2004 Mercedes-benz Sl

Black Petrol 3724cc
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MOT Status

Expired
Expires30 Jan 2026
Tests23 (17 pass, 6 fail)
Pass rate73.9%

Mileage

148,260 mi
Last recorded148,260 miles
Recorded on31 Jan 2025
Typical for 2004 Mercedes-benz Sl53,336 mi

Significantly above average — investigate

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

RegistrationKN54 RRZ
MakeMercedes-benz
ModelSl
Year2004
ColourBlack
Fuel typePetrol
Engine3,724cc

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

17 pass 6 fail
Pass 31 Jan 2025 148,260 miles

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

Pass 8 Apr 2024 148,020 miles

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

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

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

Pass 8 Apr 2023 146,197 miles
Pass 20 Oct 2021 142,042 miles
Pass 16 Mar 2020 135,836 miles

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

Front Brake pad(s) wearing thin both sides (1.1.13 (a) (ii))

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Rear Brake hose slightly deteriorated both sides (1.1.12 (b) (ii))

water pump is baring noise

Fail 16 Mar 2020 135,836 miles

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

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

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

Front Brake pad(s) wearing thin both sides (1.1.13 (a) (ii))

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Rear Brake hose slightly deteriorated both sides (1.1.12 (b) (ii))

water pump is baring noise

Pass 5 Apr 2019 121,581 miles

Undertrays Fitted

Fail 2 Apr 2019 121,581 miles

Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c))

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

Undertrays Fitted

Pass 12 May 2018 120,399 miles
Pass 4 Jul 2017 116,622 miles

Nearside Front fog light inop

Pass 1 Jul 2016 112,908 miles

Nearside Front fog light inop

Pass 18 Jul 2015 108,864 miles

Engine covers fitted obscuring some components in the engine bay

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

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

Under-trays fitted obscuring some underside components

Pass 19 Jul 2014 101,493 miles

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

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

Pass 8 Jul 2013 94,687 miles
Pass 10 Jul 2012 89,724 miles
Fail 3 Jul 2012 89,724 miles

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

Pass 14 Jul 2011 86,482 miles

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

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

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

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

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

offside front tyre cracked & splitting

Pass 21 Jul 2010 82,834 miles

Nearside rear brake disc badly corroded and pitted.

Nearside rear brake pad not operating over the full brake disc area.

Fail 20 Jul 2010 82,834 miles

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Nearside rear brake disc badly corroded and pitted.

Nearside rear brake pad not operating over the full brake disc area.

Fail 19 Jul 2010 82,830 miles

Emissions not tested (7.0)

n/s/r disc rusty

Pass 15 Jul 2009 75,574 miles

nearside rear brake disc corroding

Fail 15 Jul 2009 75,574 miles

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

Offside Headlamp aim too high (1.8)

nearside rear brake disc corroding

Pass 1 Aug 2008 65,004 miles

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)

How Reliable is the Mercedes-benz Sl?

Based on 528,820 MOT tests across 35,553 vehicles.

83.4%
Pass Rate
2,023
Miles/Year
43
Year Lifespan
35,553
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,801
Tyre has ply or cords exposed 3,812
Brake pipe excessively corroded 3,463
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 3,077
Windscreen wiper does not clear the windscreen effectively 2,767
Full Mercedes-benz Sl reliability report

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KN54 RRZ is a 2004 Mercedes-benz Sl in Black with a 3,724cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 73.9%.

Across all 2004 Mercedes-benz Sl models, the average MOT pass rate is 84.8% with a typical mileage of 53,336 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 Sl fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,801 recorded failures. If you're considering buying KN54 RRZ, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Sl typically stays on UK roads for around 43 years. At 22 years old, this Mercedes-benz Sl is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of KN54 RRZ?

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

What year was KN54 RRZ registered?

KN54 RRZ is a 2004 Mercedes-benz Sl, first registered on 29 October 2004.

Is KN54 RRZ safe to buy?

The MOT history for KN54 RRZ shows 23 tests with a 73.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN54 RRZ 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 RRZ. 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.