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COO 666

1998 Mercedes-benz Sl

Silver Petrol 4973cc
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MOT Status

Valid
Expires23 Feb 2027
Tests22 (17 pass, 5 fail)
Pass rate77.3%

Mileage

46,478 mi
Last recorded46,478 miles
Recorded on24 Feb 2026
Typical for 1998 Mercedes-benz Sl74,108 mi

Below or average mileage for this year

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

RegistrationCOO 666
MakeMercedes-benz
ModelSl
Year1998
ColourSilver
Fuel typePetrol
Engine4,973cc

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 5 fail
Pass 24 Feb 2026 46,478 miles

Sound deadening material not fully secure (8.1.1 (b) (i))

Pass 8 Jan 2025 46,121 miles

Offside Front Direction indicator slightly discoloured (4.4.3 (a))

Sound deadening material not fully secure (8.1.1 (b) (i))

Pass 7 Aug 2023 45,519 miles
Pass 27 Jul 2022 44,902 miles

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 20 Apr 2021 44,268 miles

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 16 Oct 2019 44,083 miles

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

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 10 Aug 2018 43,326 miles

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

Offside mirror slightly deteriorated

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

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 10 Aug 2017 42,762 miles
Fail 7 Aug 2017 42,762 miles

Offside Rear Tyre(s) incorrect because different size tyres are fitted on the same axle. (4.1.A.1a)

Pass 8 Aug 2016 42,132 miles
Pass 24 Jul 2015 41,109 miles

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

Rear Brake hose slightly deteriorated (3.6.B.4d)

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

Fail 20 Jul 2015 41,048 miles

Horn sounds harsh or grating (1.6.2e)

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

Rear Brake hose slightly deteriorated (3.6.B.4d)

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

Pass 7 Jul 2014 40,473 miles

Rear Brake hose slightly deteriorated (3.6.B.4d)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Pass 23 May 2013 38,991 miles

both rear tyres wearing on inner edges and perished

Fail 23 May 2013 38,991 miles

Front Steering damper leaking oil (2.2.C.1f)

both rear tyres wearing on inner edges and perished

Pass 7 Jun 2012 38,500 miles

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

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

both rear tyres are perished but not showing cords

Fail 6 Jun 2012 38,499 miles

Nearside Front Ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt (2.2.C.1c)

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

Oil leak

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

both rear tyres are perished but not showing cords

Pass 20 Jul 2010 36,143 miles

Nearside Front Direction indicator slightly discoloured (1.4.A.2f)

Pass 13 Jul 2009 33,615 miles
Fail 13 Jul 2009 33,615 miles

Nearside Headlamp aim too low (1.8)

Nearside Side repeater not working (1.4.A.2c)

Offside Headlamp aim too low (1.8)

Pass 17 Jun 2008 32,855 miles

n/s front indicator full of condensation

steering damper misting in oil

Pass 4 May 2007 32,454 miles

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

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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COO 666 is a 1998 Mercedes-benz Sl in Silver with a 4,973cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 77.3%.

Across all 1998 Mercedes-benz Sl models, the average MOT pass rate is 82.5% with a typical mileage of 74,108 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 COO 666, 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 28 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 COO 666?

You can check the full history of COO 666 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was COO 666 registered?

COO 666 is a 1998 Mercedes-benz Sl, first registered on 26 March 1998.

Is COO 666 safe to buy?

The MOT history for COO 666 shows 22 tests with a 77.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does COO 666 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 COO 666. 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.