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KN09 UKV

2009 Mercedes-benz B-class

Black Petrol 1498cc
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MOT Status

Valid
Expires5 Jan 2027
Tests22 (15 pass, 7 fail)
Pass rate68.2%

Mileage

94,585 mi
Last recorded94,585 miles
Recorded on30 Dec 2025
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 UKV
MakeMercedes-benz
ModelB-class
Year2009
ColourBlack
Fuel typePetrol
Engine1,498cc

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 30 Dec 2025 94,585 miles

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

Offside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Pass 2 Jan 2025 92,288 miles

Offside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Fail 30 Dec 2024 92,281 miles

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

Offside Front Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

Pass 2 Jan 2024 87,781 miles
Pass 3 Jan 2023 84,012 miles

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

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

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

Pass 29 Dec 2021 78,302 miles

Nearside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing Tyre perished. (5.2.3 (d) (ii))

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

Offside Rear Tyre slightly damaged/cracking or perishing Tyre perished. (5.2.3 (d) (ii))

Fail 23 Dec 2021 78,302 miles

Front Windscreen washer not working (3.5 (a))

Nearside Front Position lamp not working (4.2.1 (a) (ii))

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

Offside Rear Suspension component has an unsafe modification Spring sat on top of old broken coil spring. (5.3.3 (c) (i))

Nearside Rear Brake disc worn, but not excessively (1.1.14 (a) (i))

Nearside Rear Tyre slightly damaged/cracking or perishing Tyre perished. (5.2.3 (d) (ii))

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

Offside Rear Tyre slightly damaged/cracking or perishing Tyre perished. (5.2.3 (d) (ii))

Pass 6 Jan 2021 75,996 miles

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

Fail 5 Jan 2021 75,996 miles

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

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

Pass 3 Jan 2020 72,185 miles
Pass 21 Dec 2018 66,747 miles
Fail 19 Dec 2018 66,732 miles

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

Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii))

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

Pass 6 Jan 2018 62,000 miles

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Offside Front Ball joint has slight play tie rod axial joint (2.2.B.1f)

Offside Front Drive shaft which forms part of the suspension coupling gaiter damaged, but preventing the ingress of dirt (2.4.G.4e)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Fail 27 Dec 2017 61,911 miles

Nearside Front Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.4.G.4e)

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

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

Nearside Rear Brake pipe slightly corroded (3.6.B.2c)

Offside Front Ball joint has slight play tie rod axial joint (2.2.B.1f)

Offside Front Drive shaft which forms part of the suspension coupling gaiter damaged, but preventing the ingress of dirt (2.4.G.4e)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Pass 26 Nov 2016 55,017 miles

Nearside Front Drive shaft which forms part of the suspension coupling gaiter deteriorated, but preventing the ingress of dirt (2.4.G.4e)

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

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

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

Offside Front tyre perished

Pass 1 Dec 2015 51,349 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Fail 30 Nov 2015 51,349 miles

Offside Front Drive shaft which forms part of the suspension coupling gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.4.G.4e)

Exhaust has a minor leak of exhaust gases (7.1.2)

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Nearside Rear Brake pad(s) wearing thin (3.5.1g)

Offside Rear Brake pad(s) wearing thin (3.5.1g)

Fail 28 Nov 2014 47,408 miles

Nail in nearside rear tyre

Offside Outer Front Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)

Rear fog lamp not working (1.3.2b)

Pass 28 Nov 2014 47,408 miles

Nail in nearside rear tyre

Offside Outer Front Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)

Pass 2 Dec 2013 42,643 miles
Pass 31 Oct 2012 38,089 miles
Pass 21 Mar 2012 32,859 miles

o/s/r tyre inner starting to wear uneavenly

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 UKV is a 2009 Mercedes-benz B-class in Black with a 1,498cc petrol 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 UKV, 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 UKV?

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

What year was KN09 UKV registered?

KN09 UKV is a 2009 Mercedes-benz B-class, first registered on 31 March 2009.

Is KN09 UKV safe to buy?

The MOT history for KN09 UKV 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 UKV 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 UKV. 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.