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KN11 HYZ

2011 Mercedes-benz B-class

Blue Diesel 1991cc
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MOT Status

Valid
Expires31 Jul 2027
Tests18 (13 pass, 5 fail)
Pass rate72.2%

Mileage

86,217 mi
Last recorded86,217 miles
Recorded on15 Jul 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 HYZ
MakeMercedes-benz
ModelB-class
Year2011
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

13 pass 5 fail
Pass 15 Jul 2026 86,217 miles

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

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

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Fail 6 Jul 2026 86,195 miles

Nearside Rear Brake pipe excessively corroded Down vehicle to flexible hose (1.1.11 (c))

Nearside Side repeater not working (4.4.1 (a) (ii))

Offside Front Brake pipe excessively corroded To flexible hose (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))

Offside Rear Brake pipe excessively corroded Down vehicle to flexible hose (1.1.11 (c))

Nearside Rear Road wheel fractured In two places (5.2.2 (a)) DANGEROUS

Offside Rear Tyre has a bulge, caused by separation or partial failure of its structure On inner sidewall (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear 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))

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

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

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

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

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

Offside Side repeater lens defective which has no effect on emitted light (4.4.1 (b) (i))

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Pass 21 Jul 2025 78,731 miles
Fail 21 Jul 2025 78,731 miles

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Pass 17 Jul 2024 71,081 miles
Pass 1 Aug 2023 64,998 miles
Fail 1 Aug 2023 64,998 miles

Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Pass 6 Sep 2022 58,125 miles
Pass 27 Jul 2021 49,969 miles
Fail 27 Jul 2021 49,969 miles

Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))

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

Pass 10 Aug 2020 43,899 miles
Pass 13 Aug 2019 36,900 miles
Pass 23 Aug 2018 28,640 miles
Pass 22 Jan 2018 26,804 miles
Fail 22 Jan 2018 26,804 miles

Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Pass 17 Jan 2017 23,114 miles
Pass 20 Jan 2016 21,160 miles
Pass 29 Jan 2015 17,337 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

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 HYZ is a 2011 Mercedes-benz B-class in Blue with a 1,991cc diesel engine. This vehicle has been through 18 MOT tests with a personal pass rate of 72.2%.

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 HYZ, 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 HYZ?

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

What year was KN11 HYZ registered?

KN11 HYZ is a 2011 Mercedes-benz B-class, first registered on 25 July 2011.

Is KN11 HYZ safe to buy?

The MOT history for KN11 HYZ shows 18 tests with a 72.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN11 HYZ 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 HYZ. 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.