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KN09 YDF

2009 Mercedes-benz B-class

Black Diesel 1991cc
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MOT Status

Valid
Expires9 Jun 2027
Tests27 (15 pass, 12 fail)
Pass rate55.6%

Mileage

84,806 mi
Last recorded84,806 miles
Recorded on10 Jun 2026
Typical for 2009 Mercedes-benz B-class63,922 mi

Above average mileage for this year

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

RegistrationKN09 YDF
MakeMercedes-benz
ModelB-class
Year2009
ColourBlack
Fuel typeDiesel
Engine1,991cc

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 12 fail
Pass 10 Jun 2026 84,806 miles

Front Items removed from driver's view prior to test

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Child Seat fitted not allowing full inspection of adult belt

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

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

Fail 10 Jun 2026 84,806 miles

Front Items removed from driver's view prior to test

Offside Front Headlamp aim too low (4.1.2 (a))

Offside Front Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Child Seat fitted not allowing full inspection of adult belt

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

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

Pass 26 Jun 2025 79,643 miles

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Brake pipe corroded, covered in grease or other material both (1.1.11 (c))

Rear Shock absorbers has slight external damage to the casing both (5.3.2 (b))

Fail 26 Jun 2025 79,643 miles

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Rear Brake pipe corroded, covered in grease or other material both (1.1.11 (c))

Rear Shock absorbers has slight external damage to the casing both (5.3.2 (b))

Nearside Front Tyre tread pattern not visible over the whole tread area when minimum depth required is 1.0mm (5.2.3 (e))

Pass 17 Jul 2024 73,119 miles

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

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

Fail 17 Jul 2024 73,119 miles

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

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

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

Pass 30 Oct 2023 71,382 miles

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

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

Fail 30 Oct 2023 71,382 miles

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Registration plate lamp does not illuminate simultaneously with the position lamps (4.7.2 (a))

Nearside Front Undertray likely to become detached (6.2.1 (a) (ii)) DANGEROUS

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

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

Pass 3 Nov 2022 65,607 miles
Fail 22 Oct 2022 65,468 miles

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Nearside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

Pass 19 Oct 2021 60,982 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

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

Fail 19 Oct 2021 60,982 miles

Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Nearside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

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

Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Pass 26 Oct 2020 57,619 miles

Nearside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

Nearside Rear Tyre slightly damaged/cracking or perishing cracking on edges & sidewall perished (5.2.3 (d) (ii))

Offside Front Tyre has a cut but not deep enough to reach the ply or cords sidewall (5.2.3 (d) (i))

Play in steering rack inner joint(s)

Pass 22 Oct 2019 89,123 miles

Nearside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

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

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

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

Offside Front Play in steering rack inner joint(s)

Offside Rear Tyre slightly damaged/cracking or perishing Out of shape (5.2.3 (d) (ii))

Fail 22 Oct 2019 89,123 miles

Front Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))

Nearside Front Shock absorbers light misting of oil or has limited damping effect (5.3.2 (b))

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

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

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

Offside Front Play in steering rack inner joint(s)

Offside Rear Tyre slightly damaged/cracking or perishing Out of shape (5.2.3 (d) (ii))

Pass 22 Oct 2018 85,130 miles

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

Nearside Rear Tyre slightly damaged/cracking or perishing cracking on edges & tread pattern uneven (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing cracking on edges & tread pattern uneven (5.2.3 (d) (ii))

Fail 18 Oct 2018 85,130 miles

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

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

Offside Front Service brake excessively binding (1.2.1 (f))

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

Nearside Rear Tyre slightly damaged/cracking or perishing cracking on edges & tread pattern uneven (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing cracking on edges & tread pattern uneven (5.2.3 (d) (ii))

Pass 17 Oct 2017 80,303 miles
Fail 9 Oct 2017 80,293 miles

Nearside Rear coil spring broken (2.4.C.1a)

Nearside Rear wheel bearing rough when rotated (2.6.1)

Offside Rear coil spring broken (2.4.C.1a)

Pass 24 Oct 2016 69,613 miles
Fail 24 Oct 2016 69,613 miles

Offside Front Tyre has a tear, caused by separation or partial failure of its structure inner sidewalls (4.1.D.1b)

Offside Headlamp not working on dipped beam (1.7.5a)

Pass 23 Oct 2015 61,059 miles
Fail 23 Oct 2015 61,059 miles

Nearside Front brake disc in such a condition that it is seriously weakened (3.5.1i)

Offside Front brake disc in such a condition that it is seriously weakened (3.5.1i)

Nearside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Fail 2 Apr 2014 33,204 miles

Offside Headlamp aim too low (1.8)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

Play in steering rack inner joint(s)

Pass 2 Apr 2014 33,204 miles

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

Play in steering rack inner joint(s)

Pass 11 Apr 2013 27,069 miles
Pass 3 Apr 2012 21,487 miles

How Reliable is the Mercedes-benz B-class?

Based on 984,871 MOT tests across 77,700 vehicles.

79.4%
Pass Rate
5,590
Miles/Year
21
Year Lifespan
77,700
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 6,159
coil spring broken 5,250
Full Mercedes-benz B-class reliability report

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KN09 YDF is a 2009 Mercedes-benz B-class in Black with a 1,991cc diesel engine. This vehicle has been through 27 MOT tests with a personal pass rate of 55.6%.

Across all 2009 Mercedes-benz B-class models, the average MOT pass rate is 76.4% with a typical mileage of 63,922 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 B-class fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 6,159 recorded failures. If you're considering buying KN09 YDF, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz B-class typically stays on UK roads for around 21 years. At 17 years old, this Mercedes-benz B-class is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of KN09 YDF?

You can check the full history of KN09 YDF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN09 YDF registered?

KN09 YDF is a 2009 Mercedes-benz B-class, first registered on 20 April 2009.

Is KN09 YDF safe to buy?

The MOT history for KN09 YDF shows 27 tests with a 55.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 YDF 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 KN09 YDF. 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.