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P121 MTH

2008 Mercedes-benz Sl

Black Petrol 5461cc
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MOT Status

Valid
Expires14 Jul 2027
Tests21 (16 pass, 5 fail)
Pass rate76.2%

Mileage

122,209 mi
Last recorded122,209 miles
Recorded on25 Jun 2026
Typical for 2008 Mercedes-benz Sl42,470 mi

Significantly above average — investigate

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

RegistrationP121 MTH
MakeMercedes-benz
ModelSl
Year2008
ColourBlack
Fuel typePetrol
Engine5,461cc

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

16 pass 5 fail
Pass 25 Jun 2026 122,209 miles

Front Brake pipe corroded, covered in grease or other material n/s/f and o/s/f pipes to flexys (1.1.11 (c))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing just passible (5.2.3 (d) (ii))

Fail 24 Jun 2026 122,206 miles

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

Front Brake pipe corroded, covered in grease or other material n/s/f and o/s/f pipes to flexys (1.1.11 (c))

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing just passible (5.2.3 (d) (ii))

Pass 26 Jun 2025 122,042 miles

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

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

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

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

Offside Front Tyre slightly damaged/cracking or perishing also worn on inner edge (5.2.3 (d) (ii))

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

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

Pass 15 Jul 2024 121,988 miles

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

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

Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Fail 1 Jul 2024 121,875 miles

Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))

Exhaust catalytic converter missing where one was fitted as standard (8.2.1.1 (a))

Nearside Front Position lamp not working (4.2.1 (a) (ii))

Exhaust noisy (8.1.1 (a))

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

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

Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Pass 18 Mar 2023 121,613 miles
Pass 3 Aug 2022 119,821 miles
Pass 12 Aug 2021 112,130 miles

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

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

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

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

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

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

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

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

Pass 15 Dec 2020 111,881 miles

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

Nearside Headlamp lens slightly defective (4.1.1 (b) (i))

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

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

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

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

Pass 24 Oct 2019 111,842 miles

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

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

Pass 17 Sep 2018 110,985 miles
Pass 11 Sep 2017 107,957 miles

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

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

Pass 22 Aug 2016 104,013 miles
Fail 22 Aug 2016 104,013 miles

Front registration plate incorrect (6.3.1a)

Rear registration plate incorrect (6.3.1a)

Pass 17 Sep 2015 95,390 miles
Pass 23 Sep 2014 82,845 miles

Nearside Front Shock absorber has a light misting of oil (2.7.3)

Pass 1 Oct 2013 70,207 miles
Fail 24 Sep 2013 70,127 miles

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

front brake pad linings worn low

front number plate delaminating

Pass 27 Jun 2012 53,863 miles

Front registration plate deteriorated but not likely to be misread (6.3.1d)

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

Nearside Front Shock absorber has a slightly worn shock absorber pivot (2.7.4)

Pass 30 Jun 2011 41,026 miles
Fail 29 Jun 2011 41,026 miles

Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

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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P121 MTH is a 2008 Mercedes-benz Sl in Black with a 5,461cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 76.2%.

Across all 2008 Mercedes-benz Sl models, the average MOT pass rate is 86.1% with a typical mileage of 42,470 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 P121 MTH, 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 18 years old, this Mercedes-benz Sl is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of P121 MTH?

You can check the full history of P121 MTH by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was P121 MTH registered?

P121 MTH is a 2008 Mercedes-benz Sl, first registered on 30 June 2008.

Is P121 MTH safe to buy?

The MOT history for P121 MTH shows 21 tests with a 76.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does P121 MTH 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 P121 MTH. 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.