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KN09 YEU

2009 Mercedes-benz B-class

Silver Diesel 1991cc
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MOT Status

Valid
Expires21 Jul 2027
Tests25 (16 pass, 9 fail)
Pass rate64%

Mileage

170,467 mi
Last recorded170,467 miles
Recorded on22 Jul 2026
Typical for 2009 Mercedes-benz B-class63,922 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

RegistrationKN09 YEU
MakeMercedes-benz
ModelB-class
Year2009
ColourSilver
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

16 pass 9 fail
Pass 22 Jul 2026 170,467 miles

Rear Sub-frame corroded but not seriously weakened n\s and o\s (5.3.3 (b) (i))

Fail 21 Jul 2026 170,467 miles

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Rear Service brake excessively binding both (1.2.1 (f))

Front Inner Brake disc in such a condition that it is seriously weakened n\s and o\s (1.1.14 (a) (ii)) DANGEROUS

Offside Rear Outer Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Rear Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) DANGEROUS

Rear Brake pipe corroded, covered in grease or other material n\s and o\s (1.1.11 (c))

Rear Sub-frame corroded but not seriously weakened n\s and o\s (5.3.3 (b) (i))

Pass 21 Jul 2025 166,981 miles

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

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

Play in steering rack inner joint(s)

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 22 Jul 2024 160,167 miles

Gearbox mounting defective

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Play in steering rack inner joint(s)

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 23 Aug 2023 153,805 miles

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Nearside Rear Road wheel slightly distorted inner rim plus o/s front (5.2.2 (c) (i))

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

fuel filler pipes corroded

headlight aims set at lower limits

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Fail 23 Aug 2023 153,805 miles

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

Offside Front Anti-roll bar ball joint dust cover no longer prevents the ingress of dirt plus slack in joint (5.3.4 (b) (ii))

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Nearside Rear Road wheel slightly distorted inner rim plus o/s front (5.2.2 (c) (i))

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

fuel filler pipes corroded

headlight aims set at lower limits

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Pass 24 Aug 2022 146,067 miles

Front Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

Nearside Rear Road wheel slightly distorted inner rim (5.2.2 (c) (i))

Offside Front Lower Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

fuel filler pipes corroded

headlight aims set at lower limits

minor screen chips

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Fail 23 Aug 2022 146,067 miles

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

Rear Lower Coil spring fractured or broken n/s and o/s (5.3.1 (b) (i))

Nearside Front Tyre tread depth below requirements of 1.6mm outer (5.2.3 (e)) DANGEROUS

Nearside Rear Road wheel slightly distorted inner rim (5.2.2 (c) (i))

Offside Front Lower Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

fuel filler pipes corroded

headlight aims set at lower limits

minor screen chips

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Pass 17 Aug 2021 137,882 miles

Nearside Rear Road wheel slightly distorted inner rim slightly buckled (5.2.2 (c) (i))

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

fuel filler neck heavily corroded

minor screen chips

nearside handbrake lower reading than offside

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Fail 17 Aug 2021 137,882 miles

Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Nearside Rear Road wheel slightly distorted inner rim slightly buckled (5.2.2 (c) (i))

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

fuel filler neck heavily corroded

minor screen chips

nearside handbrake lower reading than offside

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Pass 20 Aug 2020 134,219 miles

Front Tyre worn close to legal limit/worn on edge n/s and o/s advise replacement soon (5.2.3 (e))

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

Rear Brake pipe corroded, covered in grease or other material outer n/s and o/s (1.1.11 (c))

fuel filler neck heavily corroded

minor screen chips ;

unable to fully inspect outer sills and some underside items plastic trims / sheilds fitted

Pass 14 Aug 2019 128,566 miles

Nearside Front Upper Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

centre exhaust box outer skin corroded

nearside rear tyre worn on outer edge ;

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Fail 14 Aug 2019 128,566 miles

Nearside Front Upper Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

centre exhaust box outer skin corroded

nearside rear tyre worn on outer edge ;

unable to fully inspect outer sills and some underside items plastic trims / shields fitted

Rear Brake disc in such a condition that it is seriously weakened (1.1.14 (a) (ii))

Pass 21 Aug 2018 119,900 miles

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

center exhaust box outer skin slightly corroded

unable to fully inspect outer sills plastic trims fitted

unable to fully inspect some underside items plastic shields fitted

Fail 21 Aug 2018 119,900 miles

Offside Front Coil spring fractured or broken (5.3.1 (b) (i))

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Front Tyre tread depth below requirements of 1.6mm n/s and o/s (5.2.3 (e)) DANGEROUS

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

center exhaust box outer skin slightly corroded

unable to fully inspect outer sills plastic trims fitted

unable to fully inspect some underside items plastic shields fitted

Pass 17 Jul 2017 108,873 miles
Fail 17 Jul 2017 108,868 miles

Nearside Rear Brake cable locking device insecure (3.5.1l)

Central exhaust support bracket missing

Offside Rear brake pipe corroding

Pass 23 Jun 2016 93,251 miles

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

Fail 21 Jun 2016 92,952 miles

Nearside Front Shock absorber has a serious fluid leak (2.7.3)

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

Pass 13 Jul 2015 80,532 miles

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

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

Fail 13 Jul 2015 80,532 miles

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

Nearside Registration plate lamp not working (1.1.C.1d)

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

Pass 17 Jul 2014 64,663 miles

rear brake discs scored

Pass 23 Jul 2013 52,511 miles
Pass 19 Apr 2013 48,606 miles
Pass 16 Apr 2012 33,608 miles

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)

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

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 YEU is a 2009 Mercedes-benz B-class in Silver with a 1,991cc diesel engine. This vehicle has been through 25 MOT tests with a personal pass rate of 64%.

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 YEU, 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 YEU?

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

What year was KN09 YEU registered?

KN09 YEU is a 2009 Mercedes-benz B-class, first registered on 22 April 2009.

Is KN09 YEU safe to buy?

The MOT history for KN09 YEU shows 25 tests with a 64% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 YEU 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 YEU. 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.