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YB03 KNC

2003 Mercedes-benz Sl

Silver Petrol 4966cc
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MOT Status

Valid
Expires20 Nov 2026
Tests29 (21 pass, 8 fail)
Pass rate72.4%

Mileage

151,161 mi
Last recorded151,161 miles
Recorded on21 Nov 2025
Typical for 2003 Mercedes-benz Sl53,586 mi

Significantly above average — investigate

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

RegistrationYB03 KNC
MakeMercedes-benz
ModelSl
Year2003
ColourSilver
Fuel typePetrol
Engine4,966cc

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

21 pass 8 fail
Pass 21 Nov 2025 151,161 miles

Nearside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

Nearside Rear Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (7.1.1 (a) (i))

Offside Rear Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Pass 18 Oct 2024 151,101 miles

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

Fail 7 Oct 2024 151,097 miles

Nearside Brake pipe excessively corroded Front to rear at rear (1.1.11 (c))

Offside Brake pipe excessively corroded Front to rear at rear (1.1.11 (c))

Nearside Rear Brake hose damaged and likely to fail (1.1.12 (a)) DANGEROUS

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

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

Pass 2 Jun 2023 150,374 miles

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

Fuel Pipe/s corroded ()

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

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

Fail 1 Jun 2023 150,373 miles

Nearside Front Steering linkage ball joint ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))

Offside Front Steering linkage ball joint ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))

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

Fuel Pipe/s corroded ()

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

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

Pass 20 May 2022 146,869 miles

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

Brake warning device malfunctioning or defective (1.1.4 (a) (i))

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

Nearside Front Oil leak, but not excessive near rocker cover (8.4.1 (a) (i))

Oil leak, but not excessive bottom of engine and gearbox (8.4.1 (a) (i))

Rear Fuel Pipe/s corroded ()

Rear Suspension pipe damaged but not to excess (5.3.5 (b) (i))

Rear diff corroded

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

Fail 14 May 2022 146,800 miles

Brake performance not tested (1.2.1 (g))

Nearside Front Headlamp light source and lamp not compatible (4.1.4 (c))

Offside Front Headlamp light source and lamp not compatible (4.1.4 (c))

Offside Front Hydraulic brake calliper insecurely mounted brake pads pins not in correct hanging out (1.1.16 (c) (i))

Nearside Front Brake pipe at imminent risk of failure or fracture badly corroded (1.1.11 (a)) DANGEROUS

Offside Front Brake pipe at imminent risk of failure or fracture badly corroded (1.1.11 (a)) DANGEROUS

Rear diff corroded

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

Brake warning device malfunctioning or defective (1.1.4 (a) (i))

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

Nearside Front Oil leak, but not excessive near rocker cover (8.4.1 (a) (i))

Offside Rear Exhaust mounting defective back box banging on body still attached (6.1.2 (a))

Oil leak, but not excessive bottom of engine and gearbox (8.4.1 (a) (i))

Rear Fuel Pipe/s corroded ()

Rear Suspension pipe damaged but not to excess (5.3.5 (b) (i))

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

Pass 27 May 2021 140,138 miles
Pass 27 May 2020 139,873 miles

Nearside Front Brake pipe corroded, covered in grease or other material Corroded but not excessively (1.1.11 (c))

Fail 27 May 2020 139,873 miles

Nearside Front Brake pipe corroded, covered in grease or other material Corroded but not excessively (1.1.11 (c))

Nearside Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Offside Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 4 Oct 2019 136,556 miles

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

Pass 7 Aug 2018 132,686 miles
Pass 9 Aug 2017 124,735 miles
Fail 7 Aug 2017 124,735 miles

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

Pass 18 Jul 2016 114,805 miles

Brake hose slightly deteriorated both rear flexi hoses (3.6.B.4d)

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

Nearside Front play in inner rack end

rear parking (secondary) brake imbalance requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.6b)

Fail 18 Jul 2016 114,805 miles

Brake hose slightly deteriorated both rear flexi hoses (3.6.B.4d)

Front registration plate deteriorated (6.3.1d)

Headlamp aim too low both (1.8)

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

Nearside Front play in inner rack end

rear parking (secondary) brake imbalance requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.6b)

Pass 21 Jul 2015 104,186 miles

Engine covers fitted obscuring some components in the engine bay

Osf tyre worn on edges

Play in steering rack inner joint(s)

Under-trays fitted obscuring some underside components

Pass 1 Aug 2014 97,702 miles
Pass 9 Aug 2013 88,679 miles

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)

Fail 9 Aug 2013

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

Nearside Front Suspension arm has excessive play in a pin/bush (2.4.G.2)

Offside Front Suspension arm has excessive play in a pin/bush (2.4.G.2)

Pass 2 Oct 2012 82,389 miles

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

Nearside Front suspension has slight play in a upper suspension ball joint (2.5.B.1a)

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

Pass 3 Apr 2012 77,361 miles
Fail 3 Apr 2012 77,321 miles

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

Pass 5 Apr 2011 68,343 miles

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

Pass 25 Feb 2010
Pass 24 Feb 2009 39,285 miles

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)

engine management light on

Pass 28 Feb 2008 24,695 miles
Pass 7 Feb 2007 20,926 miles
Pass 30 Nov 2006 20,605 miles

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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YB03 KNC is a 2003 Mercedes-benz Sl in Silver with a 4,966cc petrol engine. This vehicle has been through 29 MOT tests with a personal pass rate of 72.4%.

Across all 2003 Mercedes-benz Sl models, the average MOT pass rate is 83.5% with a typical mileage of 53,586 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 YB03 KNC, 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 23 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 YB03 KNC?

You can check the full history of YB03 KNC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YB03 KNC registered?

YB03 KNC is a 2003 Mercedes-benz Sl, first registered on 12 June 2003.

Is YB03 KNC safe to buy?

The MOT history for YB03 KNC shows 29 tests with a 72.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YB03 KNC 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 YB03 KNC. 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.