CarVerify

Free Car Check

KN09 XFG

2009 Mercedes-benz B-class

Blue Diesel 1991cc
Search another vehicle

MOT Status

Expired
Expires25 Jun 2026
Tests23 (14 pass, 9 fail)
Pass rate60.9%

Mileage

135,198 mi
Last recorded135,198 miles
Recorded on26 Jun 2025
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
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £14.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationKN09 XFG
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 9 fail
Pass 26 Jun 2025 135,198 miles
Fail 25 Jun 2025 135,198 miles

Front Brake lever has insufficient reserve travel (1.1.2 (a))

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

Headlamp light intensity severely reduced both (4.1.4 (a))

Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))

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

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

Pass 10 Jun 2024 129,486 miles

Nearside Front fog light not working

Offside Side repeater slightly discoloured (4.4.3 (a))

Fail 10 Jun 2024 129,486 miles

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

Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Headlamp aim too high (4.1.2 (a))

Nearside Front fog light not working

Offside Side repeater slightly discoloured (4.4.3 (a))

Pass 15 Jun 2023 116,868 miles

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

Fail 13 Jun 2023 116,868 miles

Headlamp light intensity severely reduced both front head light required polish (4.1.4 (a))

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

Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i))

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

Pass 20 Jun 2022 119,497 miles
Pass 17 Sep 2021 106,491 miles

Central Rear Seat belt flexible stalk damaged (7.1.2 (b) (i))

Fail 17 Sep 2021 106,491 miles

Central Rear Seat belt flexible stalk damaged (7.1.2 (b) (i))

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

Pass 4 Sep 2020 100,366 miles

Central Rear Seat belt flexible stalk damaged (7.1.2 (b) (i))

Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i))

engine covers and undertray fitted

Pass 13 Sep 2019 95,119 miles
Pass 17 Sep 2018 88,394 miles

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

Offside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

Fail 6 Sep 2018 88,198 miles

Brake lever has insufficient reserve travel (1.1.2 (a))

Offside Front Shock absorbers has a serious fluid leak (5.3.2 (b))

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

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

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

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

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

Offside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

Pass 4 Sep 2017 81,813 miles
Fail 1 Sep 2017 81,654 miles

Exhaust emits an excessive level of metered smoke (7.4.B.3a)

Nearside Front Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 24 Jun 2016 74,702 miles

strong advisory offside rear wheel bearing noisy

Pass 17 Jul 2015 69,941 miles

Child seat fitted not allowing full inspection of adult belt

Fail 15 Jul 2015 69,911 miles

Offside Side repeater not working (1.4.A.2c)

Child seat fitted not allowing full inspection of adult belt

brake wear light on

Fail 24 Mar 2014 60,063 miles

Nearside Headlamp aim too low (1.8)

Offside Headlamp aim too low (1.8)

both rear tyres perished and cracking up

offside front tyre outer edge worn

Pass 24 Mar 2014 60,063 miles

both rear tyres perished and cracking up

offside front tyre outer edge worn

Pass 19 Apr 2013 52,839 miles

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

Fail 19 Apr 2013 52,835 miles

Headlamp switch faulty (1.7.1)

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

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

Pass 29 Mar 2012 46,541 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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

KN09 XFG is a 2009 Mercedes-benz B-class in Blue with a 1,991cc diesel engine. This vehicle has been through 23 MOT tests with a personal pass rate of 60.9%.

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 XFG, 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 XFG?

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

What year was KN09 XFG registered?

KN09 XFG is a 2009 Mercedes-benz B-class, first registered on 22 April 2009.

Is KN09 XFG safe to buy?

The MOT history for KN09 XFG shows 23 tests with a 60.9% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN09 XFG 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 XFG. 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.