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T531 KOA

1999 Mercedes-benz Sl

Blue Petrol 3199cc
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MOT Status

Valid
Expires26 Aug 2027
Tests17 (15 pass, 2 fail)
Pass rate88.2%

Mileage

133,170 mi
Last recorded133,170 miles
Recorded on27 Aug 2026
Typical for 1999 Mercedes-benz Sl67,886 mi

Significantly above average — investigate

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

RegistrationT531 KOA
MakeMercedes-benz
ModelSl
Year1999
ColourBlue
Fuel typePetrol
Engine3,199cc

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

15 pass 2 fail
Pass 27 Aug 2026 133,170 miles

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

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

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

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

Pass 5 Aug 2025 131,786 miles

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

Brake pipe corroded, covered in grease or other material o/s and n/s front to rears (1.1.11 (c))

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

Suspension component corroded but not seriously weakened all (5.3.3 (b) (i))

handbrake just met requirements

Pass 5 Mar 2024 131,619 miles

Brake pipe corroded, covered in grease or other material o/s and n/s front to rear brake pipes (1.1.11 (c))

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

Suspension component corroded but not seriously weakened all (5.3.3 (b) (i))

handbrake just met requirements

Pass 2 May 2023 128,795 miles

Brake pipe corroded, covered in grease or other material o/s and n/s front to rear (1.1.11 (c))

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

Suspension component corroded but not seriously weakened all (5.3.3 (b) (i))

Pass 20 Mar 2021 128,695 miles
Pass 9 Feb 2016 127,213 miles
Pass 29 Apr 2014 127,034 miles
Pass 2 Apr 2013 122,702 miles

Parking brake lever has little reserve travel (3.1.6b)

centre exhaust mount missing

Pass 5 Apr 2012 118,713 miles

exhaust back box quite corroded

Pass 5 Apr 2011 114,855 miles

exhaust middle box quite corroded, various joints blowing

front brake discs worn

various steel brake pipes corroding

Pass 9 Apr 2010 109,588 miles

exhaust middle box quite corroded

front brake discs worn

front tyres badly worn outer edges, rears getting low

various steel brake pipes corroding

Pass 31 Mar 2009 103,621 miles

Nearside Rear brake disc slightly pitted (3.5.1h)

Offside Rear brake disc slightly pitted (3.5.1h)

Fail 31 Mar 2009 103,621 miles

Parking brake: efficiency below requirements (3.7.B.7)

Nearside Rear brake disc slightly pitted (3.5.1h)

Offside Rear brake disc slightly pitted (3.5.1h)

Pass 11 Apr 2008 96,577 miles
Fail 11 Apr 2008 96,576 miles

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

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 17 Apr 2007 90,061 miles
Pass 6 Apr 2006 87,758 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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T531 KOA is a 1999 Mercedes-benz Sl in Blue with a 3,199cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 88.2%.

Across all 1999 Mercedes-benz Sl models, the average MOT pass rate is 83.3% with a typical mileage of 67,886 miles. This particular vehicle has performed better than the average for its year.

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 T531 KOA, 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 27 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 T531 KOA?

You can check the full history of T531 KOA by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was T531 KOA registered?

T531 KOA is a 1999 Mercedes-benz Sl, first registered on 31 December 1999.

Is T531 KOA safe to buy?

The MOT history for T531 KOA shows 17 tests with a 88.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does T531 KOA 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 T531 KOA. 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.