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KN11 JSZ

2011 Mercedes-benz B-class

Blue Petrol 1498cc
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MOT Status

Valid
Expires30 Mar 2027
Tests20 (13 pass, 7 fail)
Pass rate65%

Mileage

133,984 mi
Last recorded133,984 miles
Recorded on25 Mar 2026
Typical for 2011 Mercedes-benz B-class56,113 mi

Significantly above average — investigate

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

RegistrationKN11 JSZ
MakeMercedes-benz
ModelB-class
Year2011
ColourBlue
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

13 pass 7 fail
Pass 25 Mar 2026 133,984 miles

Fuel Pipe/s corroded ()

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

Fail 25 Mar 2026 133,984 miles

Fuel Pipe/s corroded ()

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

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

Pass 24 Mar 2025 129,709 miles

Nearside 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 Both edges (5.2.3 (d) (ii))

Rear Fuel Pipe/s corroded ()

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

Fail 22 Mar 2025 129,709 miles

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

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

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

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 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 Both edges (5.2.3 (d) (ii))

Rear Fuel Pipe/s corroded ()

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

Pass 25 Mar 2024 126,124 miles

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

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

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

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

Offside Rear fuel refill pipe corroded

fuel tank has slight corrosion

Pass 8 Mar 2023 118,089 miles

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

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

Offside Rear fuel refill pipe corroded

Rear fuel tank has light corrosion

Fail 8 Mar 2023 118,087 miles

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

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

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

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

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

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

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

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

Offside Rear fuel refill pipe corroded

Rear fuel tank has light corrosion

Pass 9 Mar 2022 110,009 miles

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

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

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

Offside Rear Fuel hose deteriorated fuel refill neck (6.1.3 (c) (ii))

Pass 3 Mar 2021 103,366 miles

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

Offside Front fuel re fill pipe corroded

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

Pass 11 Mar 2020 98,420 miles

side covers fitted obscuring components under vehicle

Fail 6 Mar 2020 98,333 miles

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

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

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

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

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

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

side covers fitted obscuring components under vehicle

Pass 15 Mar 2019 91,639 miles

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

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

fuel filler neck corroded

Fail 15 Mar 2019 91,638 miles

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

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

Nearside Windscreen washer not working (3.5 (a))

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

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

fuel filler neck corroded

Pass 12 Mar 2018 80,289 miles
Pass 18 Mar 2017 68,022 miles

Central Front Upper Items removed from driver's view prior to test BELOW REAR VIEW MIRROR WITHIN DRIVERS VIEW ()

Central Rear SEAT BELT STALK OUTER COVER DETERIORATED PLASTIC COVER BUT NOT AFFECTING SEAT BELT OPERATION

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Nearside Rear Child Seat fitted not allowing full inspection of adult belt ()

Nearside Rear Direction indicator slightly discoloured (1.4.A.2f)

Nearside Rear TYRE HAS SLIGHT CRACKING BUT NOT DEEP ENOUGH TO REACH PLY OR CORDS

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

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

PLASTIC SILL COVERS FITTED NOT ALLOWING FULL INSPECTION ON BOTH OUTER SILL

UNDER COVERS FITTED NOT ALLOWING FULL UNDERSIDE INSPECTION

Fail 16 Mar 2017 68,003 miles

Nearside Brake pipe excessively corroded MAIN PIPE FRONT TO REAR (3.6.B.2c)

Nearside Rear rear brake recording little or no effort SERVICE BRAKE (3.7.B.5a)

Offside Brake pipe excessively corroded MAIN PIPE FRONT TO REAR (3.6.B.2c)

Offside Rear rear brake recording little or no effort SERVICE BRAKE (3.7.B.5a)

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

Central Front Upper Items removed from driver's view prior to test BELOW REAR VIEW MIRROR WITHIN DRIVERS VIEW ()

Central Rear SEAT BELT STALK OUTER COVER DETERIORATED PLASTIC COVER BUT NOT AFFECTING SEAT BELT OPERATION

Nearside Front Brake pipe slightly corroded (3.6.B.2c)

Nearside Rear Child Seat fitted not allowing full inspection of adult belt ()

Nearside Rear Direction indicator slightly discoloured (1.4.A.2f)

Nearside Rear TYRE HAS SLIGHT CRACKING BUT NOT DEEP ENOUGH TO REACH PLY OR CORDS

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

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

PLASTIC SILL COVERS FITTED NOT ALLOWING FULL INSPECTION ON BOTH OUTER SILL

UNDER COVERS FITTED NOT ALLOWING FULL UNDERSIDE INSPECTION

Pass 31 Mar 2016 53,898 miles

Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement front bush (2.4.G.2)

Nearside Rear Brake pipe slightly corroded STRONG ADVISORY (3.6.B.2c)

Offside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement front bush (2.4.G.2)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

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

fuel pipes corroded

Pass 21 Mar 2015 40,664 miles

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Vehicle's internal headlight adjuster altered to recheck lights

Fail 21 Mar 2015 40,664 miles

Child seat fitted not allowing full inspection of adult belt

Engine covers fitted obscuring some components in the engine bay

Nearside Front Headlamp aim too high and too far to the right. (1.8)

Offside Front Headlamp aim too high and too far to the right. (1.8)

Under-trays fitted obscuring some underside components

Vehicle's internal headlight adjuster altered to recheck lights

Pass 28 Mar 2014 30,144 miles

Engine covers fitted obscuring some components in the engine bay

Nearside Front Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Under-trays fitted obscuring some underside components

plastic sill covers fitted not allowing full inspection on both outer sill

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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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.

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KN11 JSZ is a 2011 Mercedes-benz B-class in Blue with a 1,498cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 65%.

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 JSZ, 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 JSZ?

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

What year was KN11 JSZ registered?

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

Is KN11 JSZ safe to buy?

The MOT history for KN11 JSZ shows 20 tests with a 65% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN11 JSZ 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 JSZ. 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.