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KN09 KMZ

2009 Mercedes-benz B-class

Blue Diesel 1991cc
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MOT Status

Expired
Expires24 Mar 2026
Tests22 (14 pass, 8 fail)
Pass rate63.6%

Mileage

135,340 mi
Last recorded135,340 miles
Recorded on25 Mar 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 KMZ
MakeMercedes-benz
ModelB-class
Year2009
ColourBlue
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 8 fail
Pass 25 Mar 2025 135,340 miles
Fail 18 Mar 2025 135,281 miles

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

Pass 5 Jul 2024 132,191 miles

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

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

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

Fail 4 Jul 2024 132,190 miles

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

Nearside Windscreen washer not working (3.5 (a))

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

Offside Windscreen washer not working (3.5 (a))

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

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

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

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

Pass 23 Jun 2023 123,834 miles
Pass 11 Oct 2022 119,150 miles

Nearside Front Upper Suspension component ball joint dust cover severely deteriorated drop link (5.3.4 (b) (i))

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

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

Offside Front Upper Suspension component ball joint dust cover severely deteriorated droplink (5.3.4 (b) (i))

Offside Front fog lamp not working

Fail 6 Oct 2022 119,150 miles

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

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

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

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

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

Nearside Front Upper Suspension component ball joint dust cover severely deteriorated drop link (5.3.4 (b) (i))

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

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

Offside Front Upper Suspension component ball joint dust cover severely deteriorated droplink (5.3.4 (b) (i))

Offside Front fog lamp not working

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

Pass 13 Oct 2021 114,383 miles

Nearside Rear 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))

Nearside Rear Direction indicator slightly discoloured (4.4.3 (a))

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 (1.1.11 (c))

Offside Rear fuel filler pipes corroded

covers fitted to underside of vehicle

Pass 30 Sep 2020 46,912 miles

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

Pass 10 Oct 2019 107,578 miles

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

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

Pass 1 Oct 2018 103,251 miles
Fail 1 Oct 2018 103,251 miles

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

Pass 18 Sep 2017 97,660 miles
Fail 18 Sep 2017 97,660 miles

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Pass 15 Aug 2016 87,611 miles
Pass 8 Sep 2015 79,065 miles
Fail 8 Sep 2015 79,065 miles

Offside Rear Outer Tyre has ply or cords exposed wall (4.1.D.1b)

Pass 19 Aug 2014 71,107 miles

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Fail 19 Aug 2014 71,107 miles

Parking brake: efficiency below requirements (3.7.B.7)

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

Nail in nearside rear tyre

Under-trays fitted obscuring some underside components

Pass 15 Aug 2013 64,149 miles
Pass 24 Apr 2012 52,456 miles
Fail 23 Apr 2012 52,422 miles

Front Windscreen has damage to an area in excess of a 10mm circle within zone 'A' (8.3.1a)

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 KMZ is a 2009 Mercedes-benz B-class in Blue with a 1,991cc diesel engine. This vehicle has been through 22 MOT tests with a personal pass rate of 63.6%.

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 KMZ, 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 KMZ?

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

What year was KN09 KMZ registered?

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

Is KN09 KMZ safe to buy?

The MOT history for KN09 KMZ shows 22 tests with a 63.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 KMZ 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 KMZ. 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.