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KN09 UKY

2009 Mercedes-benz B-class

Grey Petrol 1498cc
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MOT Status

Expired
Expires26 Sep 2026
Tests20 (14 pass, 6 fail)
Pass rate70%

Mileage

78,638 mi
Last recorded78,638 miles
Recorded on22 Sep 2025
Typical for 2009 Mercedes-benz B-class63,922 mi

Above average mileage for this year

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

RegistrationKN09 UKY
MakeMercedes-benz
ModelB-class
Year2009
ColourGrey
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

14 pass 6 fail
Pass 22 Sep 2025 78,638 miles

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

Offside Front Anti-roll bar ball joint has slight play (5.3.4 (a) (i))

Rear shockers slightly corroded

Pass 23 Sep 2024 76,180 miles

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

Fuel Pipe/s corroded filler pipes ()

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

Nearside Rear Shock absorbers has a slightly worn bush (5.3.2 (c))

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

Offside Rear Shock absorbers has a slightly worn bush (5.3.2 (c))

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 14 Sep 2023 72,423 miles

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

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

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

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Rear fuel filler pipes heavily corroded

Fail 14 Sep 2023 72,423 miles

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

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

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

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

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Rear fuel filler pipes heavily corroded

Pass 23 Sep 2022 69,352 miles
Fail 23 Sep 2022 69,352 miles

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Pass 13 Sep 2021 65,815 miles
Fail 13 Sep 2021 65,815 miles

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

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

Pass 24 Sep 2020 63,962 miles

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Fail 24 Sep 2020 63,962 miles

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

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

Parking brake lever has excessive movement indicating incorrect adjustment (1.1.6 (c))

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Pass 18 Sep 2019 61,404 miles

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

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

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

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

Pass 27 Sep 2018 57,329 miles
Fail 27 Sep 2018 57,329 miles

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

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

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 17 May 2017 51,813 miles
Fail 15 May 2017 51,812 miles

Nearside Brake pipe excessively corroded front to rear (3.6.B.2c)

Nearside Headlamp not working on dipped beam (1.7.5a)

Offside Brake pipe excessively corroded front to rear (3.6.B.2c)

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

Pass 29 Apr 2016 47,381 miles

Parking brake lever has little reserve travel (3.1.6b)

rear parking (secondary) brake imbalance requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.6b)

Pass 29 Apr 2015 42,609 miles

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

Pass 11 Apr 2014 37,197 miles

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

Pass 2 Apr 2013 29,836 miles
Pass 26 Mar 2012 24,073 miles

nearside front tyre sidewall cracking

nearside rear tyre outer edge scrubbed

offside front tyre outer edge scrubbed

offside rear tyre sidewall cracking

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 UKY is a 2009 Mercedes-benz B-class in Grey with a 1,498cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 70%.

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 UKY, 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 UKY?

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

What year was KN09 UKY registered?

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

Is KN09 UKY safe to buy?

The MOT history for KN09 UKY shows 20 tests with a 70% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 UKY 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 UKY. 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.