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KN09 UPF

2009 Mercedes-benz B-class

Silver Diesel 1991cc
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MOT Status

Valid
Expires17 Dec 2026
Tests19 (14 pass, 5 fail)
Pass rate73.7%

Mileage

127,268 mi
Last recorded127,268 miles
Recorded on20 Nov 2025
Typical for 2009 Mercedes-benz B-class63,922 mi

Significantly above average — investigate

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

RegistrationKN09 UPF
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

14 pass 5 fail
Pass 20 Nov 2025 127,268 miles

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

Pass 18 Dec 2024 123,273 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))

Fail 17 Dec 2024 123,273 miles

Nearside Rear Brake pipe excessively corroded (1.1.11 (c))

Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

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 Jan 2024 118,594 miles

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

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

Fail 12 Jan 2024 118,514 miles

Nearside Windscreen washer not working (3.5 (a))

Suspension arm ball joint excessively worn Nearside and offside (5.3.4 (a) (i))

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

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

Pass 1 Feb 2023 114,560 miles

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 (5.2.3 (e))

Pass 29 Nov 2021 110,878 miles
Pass 7 Dec 2020 106,828 miles
Fail 5 Dec 2020 106,828 miles

Nearside Headlamp aim too low (4.1.2 (a))

Offside Headlamp aim too low (4.1.2 (a))

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

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

Pass 1 May 2019 95,918 miles

Offside Front Play in steering rack inner joint(s) ()

Fail 30 Apr 2019 95,918 miles

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

Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

Nearside Rear Direction indicator incorrect colour (4.4.3 (a))

Service brake efficiency below requirements (1.2.2 (a) (i))

Offside Front Play in steering rack inner joint(s) ()

Pass 9 May 2018 83,421 miles

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

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

Fail 9 May 2018 83,421 miles

Offside Headlamp not working on dipped beam (1.7.5a)

Parking brake lever has no reserve travel (3.1.6b)

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

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

Pass 8 May 2017 71,466 miles

2 front tyres wearing on edges

Pass 23 Apr 2016 58,159 miles

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

Pass 16 Apr 2015 44,457 miles
Pass 1 Apr 2014 35,515 miles
Pass 12 Apr 2013 29,489 miles

Nearside Inner Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

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

Offside Inner Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

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

offside rear perished

Pass 2 Apr 2012 21,540 miles

Nearside Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

Offside Front suspension has slight movement at a wishbone pin or bush (2.5.A.1c)

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 UPF is a 2009 Mercedes-benz B-class in Silver with a 1,991cc diesel engine. This vehicle has been through 19 MOT tests with a personal pass rate of 73.7%.

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 UPF, 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 UPF?

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

What year was KN09 UPF registered?

KN09 UPF is a 2009 Mercedes-benz B-class, first registered on 29 April 2009.

Is KN09 UPF safe to buy?

The MOT history for KN09 UPF shows 19 tests with a 73.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 UPF 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 UPF. 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.