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C20 BOB

2003 Mercedes-benz Sl

Blue Petrol 4966cc
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MOT Status

Valid
Expires9 Feb 2027
Tests30 (20 pass, 10 fail)
Pass rate66.7%

Mileage

122,976 mi
Last recorded122,976 miles
Recorded on10 Feb 2026
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

RegistrationC20 BOB
MakeMercedes-benz
ModelSl
Year2003
ColourBlue
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

20 pass 10 fail
Pass 10 Feb 2026 122,976 miles

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Fail 21 Jan 2026 122,899 miles

Front Service brake excessively fluctuating (1.2.1 (e))

Nearside Side repeater not working (4.4.1 (a) (ii))

Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

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

Pass 22 Jan 2025 120,285 miles

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Fail 21 Jan 2025 120,284 miles

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Pass 16 Jan 2024 117,732 miles

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

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

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

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

Steering rack has slight free play detected at steering wheel Rack end ball joints both sides (2.3 (a) (i))

Pass 12 Jan 2023 114,800 miles

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

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

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

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

Pass 17 Jan 2022 111,504 miles

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

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

Fail 14 Jan 2022 111,503 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Front Registration plate does not conform to the specified requirements honeycomb (0.1 (d))

Rear Registration plate does not conform to the specified requirements honeycomb (0.1 (d))

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

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

Pass 19 Jan 2021 109,599 miles

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

Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

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

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Power steering close to minimum mark (2.1.5 (b) (i))

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

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

Fail 15 Jan 2021 109,592 miles

Fluid leak harmful to the environment or a risk to other road users (8.4.1 (a) (i))

Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

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

Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

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

Power steering close to minimum mark (2.1.5 (b) (i))

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

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

Pass 17 Jan 2020 107,984 miles

Offside Front Nail in tyre ()

Pass 17 Jan 2019 103,927 miles

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

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

Fail 11 Jan 2019 103,868 miles

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

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

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

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

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

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

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

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

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

Pass 18 Jan 2018 98,495 miles

Nearside Front Torque/reaction arm ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)

Parking brake lever has little reserve travel (3.1.6b)

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

Pass 13 Jan 2017 93,162 miles

Front Parking brake lever has little reserve travel (3.1.6b)

Offside Front Drag link end ball joint has slight play (2.2.B.1f)

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

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

Pass 18 Jan 2016 84,596 miles

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

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

Nearside Front Tyre worn close to the legal limit also nail in shoulder (4.1.E.1)

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

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Fail 18 Jan 2016 84,596 miles

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

Offside Front Track rod end ball joint has excessive play (2.2.B.1f)

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

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

Nearside Front Tyre worn close to the legal limit also nail in shoulder (4.1.E.1)

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

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Pass 12 Jan 2015 75,471 miles

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

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

Parking brake lever has little reserve travel (3.1.6b)

Pass 16 Jan 2014 67,460 miles

Offside Front Ball joint has slight play (2.2.B.1f)

Fail 13 Jan 2014 67,460 miles

Front registration plate displaying a honeycomb or similar effect background (6.3.3)

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

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)

Rear registration plate displaying a honeycomb or similar effect background (6.3.3)

Offside Front Ball joint has slight play (2.2.B.1f)

Pass 17 Jan 2013 61,253 miles

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

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

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

Fail 16 Jan 2013 61,188 miles

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

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

O/S/F tyre waring on inner edge.

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

Pass 20 Jan 2012 55,803 miles

'ABC' Suspension warning light on.

Fail 12 Jan 2012 55,803 miles

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

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

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

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

'ABC' Suspension warning light on.

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

Pass 14 Jan 2011 46,422 miles

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

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

Offside Front Radius arm synthetic bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 19 Jan 2010 38,627 miles
Fail 15 Jan 2010 38,486 miles

Front registration plate displaying a honeycomb or similar effect background (6.3.3)

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

Rear registration plate displaying a honeycomb or similar effect background (6.3.3)

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

Pass 16 Jan 2009 30,748 miles
Pass 10 Jan 2008 21,230 miles
Pass 16 Jan 2007 10,639 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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C20 BOB is a 2003 Mercedes-benz Sl in Blue with a 4,966cc petrol engine. This vehicle has been through 30 MOT tests with a personal pass rate of 66.7%.

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 C20 BOB, 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 C20 BOB?

You can check the full history of C20 BOB by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C20 BOB registered?

C20 BOB is a 2003 Mercedes-benz Sl, first registered on 18 December 2003.

Is C20 BOB safe to buy?

The MOT history for C20 BOB shows 30 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C20 BOB 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 C20 BOB. 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.