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YG09 UNJ

2009 Mercedes-benz B-class

Grey Diesel 1991cc
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MOT Status

Valid
Expires1 Apr 2027
Tests21 (15 pass, 6 fail)
Pass rate71.4%

Mileage

155,483 mi
Last recorded155,483 miles
Recorded on2 Apr 2026
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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Vehicle Details

RegistrationYG09 UNJ
MakeMercedes-benz
ModelB-class
Year2009
ColourGrey
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

15 pass 6 fail
Pass 2 Apr 2026 155,483 miles

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

Front Brake hose slightly deteriorated nearside and offside (1.1.12 (b) (ii))

Front Brake pipe corroded, covered in grease or other material nearside and offside pipe corroded (1.1.11 (c))

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

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Rear Brake hose slightly deteriorated nearside and offside (1.1.12 (b) (ii))

Road wheel slightly distorted all (5.2.2 (c) (i))

Fail 1 Apr 2026 155,480 miles

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

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

Road wheel slightly distorted all (5.2.2 (c) (i))

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

Front Brake hose slightly deteriorated nearside and offside (1.1.12 (b) (ii))

Front Brake pipe corroded, covered in grease or other material nearside and offside pipe corroded (1.1.11 (c))

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

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement nearside and offside (5.3.4 (a) (i))

Rear Brake hose slightly deteriorated nearside and offside (1.1.12 (b) (ii))

Pass 17 Mar 2025 147,783 miles

Brake hose slightly deteriorated All 4 pipes (1.1.12 (b) (ii))

Nearside Front Inner Road wheel slightly distorted (5.2.2 (c) (i))

Fail 18 Feb 2025 147,774 miles

Brake performance unable to be tested (1.2.1 (g))

Offside Rear Upper Fuel pipe leaking (6.1.3 (b) (i))

Central Brake pipe at imminent risk of failure or fracture Central to o/s/r (1.1.11 (a)) DANGEROUS

Brake hose slightly deteriorated All 4 flex pipes (1.1.12 (b) (ii))

Nearside Front Inner Road wheel slightly distorted (5.2.2 (c) (i))

Pass 16 Jan 2024 137,620 miles
Pass 16 Jan 2023 117,941 miles

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

Pass 23 Dec 2021 107,880 miles

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

Fail 22 Dec 2021 107,879 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 Direction indicator incorrect colour (4.4.3 (a))

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

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

Windscreen washer jets misaligned and not providing sufficient fluid to the windscreen (3.5 (a))

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

Pass 13 Jan 2021 100,134 miles

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

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

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

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

Fail 13 Jan 2021 100,133 miles

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

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

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

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

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

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

Pass 19 Jul 2019 87,252 miles

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

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

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 5 Jul 2018 78,738 miles
Pass 27 Dec 2017 75,102 miles
Fail 27 Dec 2017 75,102 miles

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 20 Dec 2016 67,818 miles

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

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

Fail 20 Dec 2016 67,818 miles

Bonnet cannot be secured in the closed position (8.4.1)

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

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

Offside Rear fog lamp not working (1.3.2b)

Pass 29 Dec 2015 58,738 miles

Offside Rear BRAKE DISC CORRODED SLIGHTLY

Offside Rear Outer Brake lining(s) wearing thin (3.5.1g)

WASHERS POOR AIM/FUNCTION

WIPER BLADES CONTACTING EACH OTHER

Pass 30 Dec 2014 51,713 miles
Pass 24 Dec 2013 40,670 miles

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

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

Pass 2 Jan 2013 33,088 miles
Pass 27 Mar 2012 29,218 miles

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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YG09 UNJ is a 2009 Mercedes-benz B-class in Grey with a 1,991cc diesel engine. This vehicle has been through 21 MOT tests with a personal pass rate of 71.4%.

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 YG09 UNJ, 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 YG09 UNJ?

You can check the full history of YG09 UNJ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YG09 UNJ registered?

YG09 UNJ is a 2009 Mercedes-benz B-class, first registered on 28 March 2009.

Is YG09 UNJ safe to buy?

The MOT history for YG09 UNJ shows 21 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YG09 UNJ 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 YG09 UNJ. 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.