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KN09 UKX

2009 Mercedes-benz B-class

Grey Petrol 1498cc
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MOT Status

Valid
Expires24 Jul 2027
Tests24 (15 pass, 9 fail)
Pass rate62.5%

Mileage

86,998 mi
Last recorded86,998 miles
Recorded on21 Jul 2026
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 UKX
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

15 pass 9 fail
Pass 21 Jul 2026 86,998 miles

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

Nearside Front Steering rack has slight free play detected at steering wheel inner joint/tie rod arm (2.3 (a) (i))

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

Nearside Rear Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

Offside Front Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

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

Offside Rear Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

undertray cover deteriorated but still secure

Fail 21 Jul 2026 86,998 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

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

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

Nearside Front Steering rack has slight free play detected at steering wheel inner joint/tie rod arm (2.3 (a) (i))

Nearside Rear Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

Offside Front Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

Offside Rear Shock absorbers has slight external damage to the casing heavy corroded (5.3.2 (b))

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

undertray cover deteriorated but still secure

Pass 12 Jul 2025 83,183 miles

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

Offside Oil leak, but not excessive (8.4.1 (a) (i))

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

Pass 25 Jul 2024 80,790 miles

Central Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Central Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Offside Front Non obligatory mirror damaged wing mirror glass damaged

Oil leak, but not excessive (8.4.1 (a) (i))

Fail 22 Jul 2024 80,778 miles

Nearside Front Headlamp aim projected beam image is obviously incorrect possible bulb incorrectly fitted (4.1.2 (c))

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

Offside Front Headlamp aim too high (4.1.2 (a))

Offside Front Suspension arm pin or bush excessively worn lower arm main bush (5.3.4 (a) (i))

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

Offside Front Outer Tyre tread depth below requirements of 1.6mm 2055516 (5.2.3 (e)) DANGEROUS

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

drivers wing mirror glass cracked

nearside front fog not working

slight corrosion to both rear metal brake pipes

Pass 22 Jul 2023 78,008 miles

Central Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Central Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

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

Fail 22 Jul 2023 78,008 miles

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

Central Front Registration plate deteriorated but not likely to be misread (0.1 (b))

Central Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

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

Pass 21 Jul 2022 74,089 miles

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

Fail 21 Jul 2022 74,089 miles

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

Offside Front Direction indicator not working (4.4.1 (a) (ii))

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

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

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

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

Offside Rear Registration plate lamp throwing direct white light to the rear (4.7.1 (a))

Pass 19 Jul 2021 70,514 miles

Central Rear Windscreen wiper blade defective (3.4 (b) (i))

Nearside Front Brake hose slightly chafed (1.1.12 (b) (i))

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

Nearside Rear Road wheel slightly distorted (5.2.2 (c) (i))

Offside Front Brake hose slightly chafed (1.1.12 (b) (i))

Offside Front Road wheel slightly distorted (5.2.2 (c) (i))

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

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

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

Oil leak, but not excessive (8.4.1 (a) (i))

Fail 19 Jul 2021 70,514 miles

Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))

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

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

Central Rear Windscreen wiper blade defective (3.4 (b) (i))

Nearside Front Brake hose slightly chafed (1.1.12 (b) (i))

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

Nearside Rear Road wheel slightly distorted (5.2.2 (c) (i))

Offside Front Brake hose slightly chafed (1.1.12 (b) (i))

Offside Front Road wheel slightly distorted (5.2.2 (c) (i))

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

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

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

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 22 Jul 2020 67,222 miles

Central Front Items removed from driver's view prior to test

Central Front Lower Oil leak, but not excessive (8.4.1 (a) (i))

Central Rear Windscreen wiper blade defective Non0mandatory wiper blade defective (3.4 (b) (i))

Engine oil level low

Nearside Front Brake hose slightly chafed (1.1.12 (b) (i))

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

Nearside Rear Tyre slightly damaged/cracking or perishing Cracked in primary grooves and outer sidewall perished & cracked (5.2.3 (d) (ii))

Offside Front Brake hose slightly chafed (1.1.12 (b) (i))

Offside Front Outer Road wheel slightly distorted (5.2.2 (c) (i))

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

Fail 22 Jul 2020 67,222 miles

Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

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

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

Central Front Items removed from driver's view prior to test

Central Front Lower Oil leak, but not excessive (8.4.1 (a) (i))

Central Rear Windscreen wiper blade defective Non0mandatory wiper blade defective (3.4 (b) (i))

Engine oil level low

Nearside Front Brake hose slightly chafed (1.1.12 (b) (i))

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

Nearside Rear Nail in tyre

Nearside Rear Tyre slightly damaged/cracking or perishing Cracked in primary grooves and outer sidewall perished & cracked (5.2.3 (d) (ii))

Offside Front Brake hose slightly chafed (1.1.12 (b) (i))

Offside Front Outer Road wheel slightly distorted (5.2.2 (c) (i))

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

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

Pass 22 Jul 2019 63,435 miles

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

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

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

Pass 16 Jul 2018 58,426 miles

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

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

Fail 16 Jul 2018 58,426 miles

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

Nearside Front Outer Tyre tread pattern not visible over the whole tread area when minimum depth required is 1.0mm (5.2.3 (e)) DANGEROUS

Pass 15 Jul 2017 53,922 miles
Pass 26 Jul 2016 48,890 miles
Pass 8 Jul 2015 44,184 miles

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 7 Jul 2014 39,471 miles

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

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

Under-trays fitted obscuring some underside components

Fail 7 Jul 2014 39,471 miles

Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Nearside Front Headlamp not working on dipped beam (1.7.5a)

Offside Rear Registration plate lamp not working (1.1.C.1d)

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

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

Under-trays fitted obscuring some underside components

Fail 29 Jun 2013 33,784 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 29 Jun 2013 33,784 miles
Pass 21 Mar 2012 25,795 miles

Rear Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

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 UKX is a 2009 Mercedes-benz B-class in Grey with a 1,498cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 62.5%.

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 UKX, 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 UKX?

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

What year was KN09 UKX registered?

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

Is KN09 UKX safe to buy?

The MOT history for KN09 UKX shows 24 tests with a 62.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 UKX 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 UKX. 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.