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KN11 JOA

2011 Mercedes-benz B-class

Black Diesel 1991cc
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MOT Status

Valid
Expires14 Jul 2027
Tests22 (14 pass, 8 fail)
Pass rate63.6%

Mileage

88,150 mi
Last recorded88,150 miles
Recorded on14 Jul 2026
Typical for 2011 Mercedes-benz B-class56,113 mi

Significantly above average — investigate

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

RegistrationKN11 JOA
MakeMercedes-benz
ModelB-class
Year2011
ColourBlack
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 8 fail
Pass 14 Jul 2026 88,150 miles
Fail 13 Jul 2026 88,107 miles

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Pass 23 Jun 2025 78,107 miles

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

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

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

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

Offside Front Play in steering rack inner joint(s)

Suspension arm pin or bush worn but not resulting in excessive movement Both Fronts (5.3.4 (a) (i))

Fail 20 Jun 2025 78,101 miles

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

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

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

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

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

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

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

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

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

Offside Front Play in steering rack inner joint(s)

Suspension arm pin or bush worn but not resulting in excessive movement Both Fronts (5.3.4 (a) (i))

Pass 24 Jun 2024 67,326 miles

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

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

corrosion off side rear brake disc outer face

Fail 22 Jun 2024 67,227 miles

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

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

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

corrosion off side rear brake disc outer face

Pass 1 Jul 2023 59,035 miles

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

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

Vehicles internal headlight adjuster altered to recheck lights

Fail 24 Jun 2023 58,999 miles

Offside Front Tyre has a bulge, caused by separation or partial failure of its structure 215/40r18 89y (5.2.3 (d) (ii)) DANGEROUS

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

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

Vehicles internal headlight adjuster altered to recheck lights

Pass 15 Jul 2022 51,206 miles

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

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

Pass 3 Dec 2021 50,875 miles
Pass 23 Oct 2020 49,434 miles
Pass 22 Oct 2019 47,718 miles
Fail 22 Oct 2019 47,718 miles

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

Pass 23 Oct 2018 45,500 miles
Fail 19 Oct 2018 45,497 miles

Front Service brake excessively fluctuating both front brakes (1.2.1 (e))

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

Offside Rear Brake pipe excessively corroded at rear flexi join (1.1.11 (c))

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

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

Pass 20 Sep 2017 44,191 miles
Pass 20 Oct 2016 42,496 miles
Pass 30 Sep 2015 41,799 miles
Fail 23 Sep 2015 41,793 miles

Nearside Rear coil spring broken (2.4.C.1a)

Offside Rear coil spring broken (2.4.C.1a)

Service brake: efficiency below requirements (3.7.B.7)

both front tyres worn on edges

Pass 28 Jul 2015 41,061 miles

Both front tyres are bald on the inner edges

Nearside rear tyre has a nail in the tread edge

Pass 19 Mar 2014 30,012 miles

advise nearside & offside front tyres wearing on inner edges

advise nearside front tyre inner side wall slight cuts around tyre but not showing inner core advise replace tyre

Fail 19 Mar 2014 30,012 miles

Centre Rear Seat belt locking mechanism does not secure or release (5.2.5a)

advise nearside & offside front tyres wearing on inner edges

advise nearside front tyre inner side wall slight cuts around tyre but not showing inner core advise replace tyre

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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KN11 JOA is a 2011 Mercedes-benz B-class in Black with a 1,991cc diesel engine. This vehicle has been through 22 MOT tests with a personal pass rate of 63.6%.

Across all 2011 Mercedes-benz B-class models, the average MOT pass rate is 76.2% with a typical mileage of 56,113 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 KN11 JOA, 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 15 years old, this Mercedes-benz B-class is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of KN11 JOA?

You can check the full history of KN11 JOA by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN11 JOA registered?

KN11 JOA is a 2011 Mercedes-benz B-class, first registered on 23 March 2011.

Is KN11 JOA safe to buy?

The MOT history for KN11 JOA shows 22 tests with a 63.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN11 JOA 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 KN11 JOA. 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.