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T9 KNP

2011 Mercedes-benz Sl

Black Petrol 5461cc
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MOT Status

Valid
Expires31 Jan 2027
Tests15 (13 pass, 2 fail)
Pass rate86.7%

Mileage

63,987 mi
Last recorded63,987 miles
Recorded on22 Jan 2026
Typical for 2011 Mercedes-benz Sl34,709 mi

Significantly above average — investigate

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

RegistrationT9 KNP
MakeMercedes-benz
ModelSl
Year2011
ColourBlack
Fuel typePetrol
Engine5,461cc

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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

13 pass 2 fail
Pass 22 Jan 2026 63,987 miles
Pass 20 Jan 2025 60,824 miles
Pass 26 Jan 2024 58,503 miles
Pass 18 Jan 2023 56,487 miles
Pass 21 Jan 2022 53,757 miles
Pass 28 Jan 2021 52,610 miles
Pass 9 Jan 2020 51,502 miles
Pass 24 Jan 2019 50,633 miles
Pass 19 Jan 2018 49,115 miles

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

under trays

Fail 19 Jan 2018 49,115 miles

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

Nearside Front position lamp(s) not working (1.1.A.3b)

under trays

Pass 16 Jan 2017 40,886 miles
Pass 19 Jan 2016 38,162 miles
Fail 11 Jan 2016 38,160 miles

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

Pass 27 Jan 2015 34,861 miles
Pass 20 Jan 2014 28,170 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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T9 KNP is a 2011 Mercedes-benz Sl in Black with a 5,461cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 86.7%.

Across all 2011 Mercedes-benz Sl models, the average MOT pass rate is 87.6% with a typical mileage of 34,709 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 T9 KNP, 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 15 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 T9 KNP?

You can check the full history of T9 KNP by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was T9 KNP registered?

T9 KNP is a 2011 Mercedes-benz Sl, first registered on 31 January 2011.

Is T9 KNP safe to buy?

The MOT history for T9 KNP shows 15 tests with a 86.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does T9 KNP 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 T9 KNP. 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.