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KN09 UOP

2009 Mercedes-benz B-class

Silver Diesel 1991cc
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MOT Status

Valid
Expires3 Aug 2027
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

112,506 mi
Last recorded112,506 miles
Recorded on4 Aug 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 UOP
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

15 pass 7 fail
Pass 4 Aug 2026 112,506 miles

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Nearside Front brake disc shield insecure

Offside Front inner tie rod has slight play

Rear Brake pipe corroded, covered in grease or other material offside & nearside (1.1.11 (c))

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

underbody corroded

Fail 30 Jul 2026 112,493 miles

Exhaust emissions exceed default limit of 1.5m-1 (8.2.2.2 (b))

Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Central Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Nearside Front brake disc shield insecure

Offside Front inner tie rod has slight play

Rear Brake pipe corroded, covered in grease or other material offside & nearside (1.1.11 (c))

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

underbody corroded

Pass 22 May 2025 105,557 miles
Fail 15 May 2025 105,534 miles

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

Pass 6 Aug 2024 104,664 miles

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

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

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

Fail 30 Jul 2024 104,615 miles

Central Exhaust has a major leak of exhaust gases (6.1.2 (a))

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

Offside Parking brake inoperative on one side (1.4.1 (a))

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

Exhaust emits excessive smoke or vapour likely to obscure the vision of other road users (8.2.2.2 (c)) DANGEROUS

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

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

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

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

Pass 13 Jul 2023 103,279 miles

Central Exhaust box corroded

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

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

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Pass 7 Jul 2022 96,092 miles

fuel filler pipe corroded

Fail 7 Jul 2022 96,092 miles

Central Exhaust has a major leak of exhaust gases (6.1.2 (a))

Nearside Rear Tyre worn close to legal limit/worn on edge 3mm)(205/5516 (5.2.3 (e))

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

Offside Rear Tyre worn close to legal limit/worn on edge 2mm (5.2.3 (e))

fuel filler pipe corroded

Pass 1 Jul 2021 84,946 miles

Nearside Rear Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))

Fail 1 Jul 2021 84,946 miles

Offside Front Steering rack gaiter missing or no longer prevents the ingress of dirt insecure (2.1.3 (g) (ii))

Nearside Rear Tyre worn close to legal limit/worn on edge 3mm (5.2.3 (e))

Pass 10 Jul 2020 74,815 miles

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

Nearside Front Tyre worn close to legal limit/worn on edge 3mm worn outer edges (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge 3mmk worn outer edges)(205/55/16 (5.2.3 (e))

Offside Rear fuel filler pipe corroded

Fail 9 Jul 2020 74,815 miles

Nearside Rear Brake pipe excessively corroded front to rear pipe to flexi (1.1.11 (c))

Offside Rear Brake pipe excessively corroded front to rear pipe to flexi (1.1.11 (c))

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

Nearside Front Tyre worn close to legal limit/worn on edge 3mm worn outer edges (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge 3mmk worn outer edges)(205/55/16 (5.2.3 (e))

Offside Rear fuel filler pipe corroded

Pass 16 Apr 2019 61,864 miles

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

Fail 16 Apr 2019 61,862 miles

Nearside Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Offside Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Offside Front Tyre has ply or cords damaged (5.2.3 (d) (ii)) DANGEROUS

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

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

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

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

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

Pass 27 Apr 2018 82,936 miles

Offside Front wheel tight to turn by hand

Pass 19 Apr 2017 66,744 miles
Pass 20 Apr 2016 32,557 miles

both front brake discs lipped and corroded

both rear brake discs lipped corroded and worn

both rear tyre scrubbing on inner edges

both rear tyres miss shaped and stepped on inner edges

n/s/r tyre perished

Pass 21 Apr 2015 25,168 miles
Pass 3 Apr 2014 22,966 miles
Pass 5 Apr 2013 21,417 miles
Pass 27 Apr 2012 19,510 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 UOP is a 2009 Mercedes-benz B-class in Silver with a 1,991cc diesel engine. This vehicle has been through 22 MOT tests with a personal pass rate of 68.2%.

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 UOP, 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 UOP?

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

What year was KN09 UOP registered?

KN09 UOP is a 2009 Mercedes-benz B-class, first registered on 28 April 2009.

Is KN09 UOP safe to buy?

The MOT history for KN09 UOP shows 22 tests with a 68.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 UOP 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 UOP. 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.