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T121 DMC

1999 Mercedes-benz Sl

Silver Petrol 3199cc
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MOT Status

Valid
Expires10 Jun 2027
Tests18 (16 pass, 2 fail)
Pass rate88.9%

Mileage

116,094 mi
Last recorded116,094 miles
Recorded on11 Jun 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

RegistrationT121 DMC
MakeMercedes-benz
ModelSl
Year1999
ColourSilver
Fuel typePetrol
Engine3,199cc

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MOT History

16 pass 2 fail
Pass 11 Jun 2026 116,094 miles
Fail 1 Jun 2026 116,093 miles

Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Stop lamp(s) not working (4.3.1 (a) (ii))

Supplementary restraint system warning lamp indicates a fault (7.1.6 (a))

Nearside Front Tyre has a lump, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

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

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

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

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

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

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

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Rear Brake disc worn, pitted or scored, but not seriously weakened no\os (1.1.14 (a) (ii))

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

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 9 Nov 2020 116,070 miles

steering damper leaking fluid

Fail 2 Nov 2020 116,070 miles

Offside Front Upper Brake pipe excessively corroded (1.1.11 (c))

Offside Headlamp light intensity severely reduced (4.1.4 (a))

Offside Side repeater incorrect colour (4.4.3 (a))

steering damper leaking fluid

Pass 30 Jul 2019 116,030 miles
Pass 3 Aug 2018 115,999 miles
Pass 14 Jul 2017 115,818 miles
Pass 19 Jul 2016 112,389 miles
Pass 31 Jul 2015 110,602 miles
Pass 24 Jul 2014 108,941 miles
Pass 24 Jul 2013 105,749 miles
Pass 24 Jul 2012 101,707 miles
Pass 26 Jul 2011 96,078 miles
Pass 27 Jul 2010 91,228 miles
Pass 27 Jul 2009 83,824 miles
Pass 29 Jul 2008 75,215 miles
Pass 31 Jul 2007 67,582 miles
Pass 2 Jun 2006 67,510 miles

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

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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T121 DMC is a 1999 Mercedes-benz Sl in Silver with a 3,199cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 88.9%.

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 T121 DMC, 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 T121 DMC?

You can check the full history of T121 DMC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was T121 DMC registered?

T121 DMC is a 1999 Mercedes-benz Sl, first registered on 31 December 1999.

Is T121 DMC safe to buy?

The MOT history for T121 DMC shows 18 tests with a 88.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does T121 DMC 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 T121 DMC. 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.