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CN09 KNF

2009 Mercedes-benz B-class

Black Petrol 1498cc
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MOT Status

Valid
Expires27 Mar 2027
Tests20 (15 pass, 5 fail)
Pass rate75%

Mileage

98,579 mi
Last recorded98,579 miles
Recorded on18 Mar 2026
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

RegistrationCN09 KNF
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 5 fail
Pass 18 Mar 2026 98,579 miles

Fuel Pipe/s corroded fuel neck pipes corroded

Fail 18 Mar 2026 98,579 miles

Nearside Front Tyre has ply or cords exposed 205 55 16 (5.2.3 (d) (ii)) DANGEROUS

Fuel Pipe/s corroded fuel neck pipes corroded

Pass 18 Mar 2025 95,053 miles
Fail 18 Mar 2025 95,053 miles

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

Pass 6 Mar 2024 90,294 miles

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

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

Pass 17 Mar 2023 85,628 miles

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

Offside Rear Tyre slightly damaged/cracking or perishing also worn inner edge (5.2.3 (d) (ii))

Fail 17 Mar 2023 85,628 miles

Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

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

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

Offside Rear Tyre slightly damaged/cracking or perishing also worn inner edge (5.2.3 (d) (ii))

Pass 11 Mar 2022 80,369 miles
Pass 5 Mar 2021 75,134 miles

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

Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Rear Tyre slightly damaged/cracking or perishing 2055516 (5.2.3 (d) (ii))

Fail 5 Mar 2021 75,134 miles

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

Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing 2055516 (5.2.3 (d) (ii))

Pass 16 Mar 2020 71,431 miles
Pass 11 Mar 2019 65,489 miles
Pass 19 Mar 2018 60,224 miles
Pass 8 Mar 2017 54,796 miles
Fail 8 Mar 2017 54,796 miles

Nearside Front Lower Suspension arm has excessive play in a ball joint (2.4.G.2)

Pass 14 Mar 2016 48,718 miles
Pass 18 Mar 2015 44,970 miles

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

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

Pass 5 Mar 2014 39,971 miles
Pass 11 Mar 2013 34,160 miles
Pass 28 Mar 2012 27,256 miles

both front tyres close to legal limit

offside rear tyre on legal limit

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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CN09 KNF is a 2009 Mercedes-benz B-class in Black with a 1,498cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 75%.

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 CN09 KNF, 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 CN09 KNF?

You can check the full history of CN09 KNF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CN09 KNF registered?

CN09 KNF is a 2009 Mercedes-benz B-class, first registered on 27 March 2009.

Is CN09 KNF safe to buy?

The MOT history for CN09 KNF shows 20 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does CN09 KNF 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 CN09 KNF. 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.