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KN11 ACO

2011 Mercedes-benz B-class

Blue Diesel 1991cc
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MOT Status

Valid
Expires27 Jun 2027
Tests17 (12 pass, 5 fail)
Pass rate70.6%

Mileage

96,134 mi
Last recorded96,134 miles
Recorded on22 Jun 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 ACO
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

12 pass 5 fail
Pass 22 Jun 2026 96,134 miles

Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

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

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

Offside Rear Nail in tyre

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

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

Pass 4 Jun 2025 92,188 miles

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

Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))

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

Pass 13 Jun 2024 79,069 miles
Fail 11 Jun 2024 79,069 miles

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

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

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

Pass 28 Jun 2023 76,461 miles
Fail 28 Jun 2023 76,461 miles

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

Pass 16 Jun 2022 70,936 miles
Fail 16 Jun 2022 70,936 miles

Service brake efficiency below requirements (1.2.2 (a) (i))

Offside Headlamp aim too low (4.1.2 (a))

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

Pass 21 Nov 2020 64,047 miles
Pass 19 Nov 2019 51,356 miles
Pass 17 Nov 2018 39,208 miles

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

Pass 23 Nov 2017 32,426 miles

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

Offside Rear Tyre worn close to the legal limit minor cracking to inner tyre wall (4.1.E.1)

Fail 22 Nov 2017 32,421 miles

Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

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

Offside Rear Tyre worn close to the legal limit minor cracking to inner tyre wall (4.1.E.1)

Pass 30 Sep 2016 27,972 miles

Nearside Front Lower Suspension arm has slight play in a pin/bush (2.4.G.2)

Nearside Front Shock absorber has slight external damage to the casing distorted (2.7.2a)

Nearside Front wheel alignment obviously incorrect

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

Nearside Rear Nail in tyre

Nearside Rear Road wheel with a slightly distorted bead rim (4.2.A.1a)

Offside Front Lower Suspension arm has slight play in a pin/bush (2.4.G.2)

Offside Front Sub-frame slightly distorted (2.4.G.1)

Offside Rear Road wheel with a slightly distorted bead rim (4.2.A.1a)

Offside Rear tyre slightly deteriorated

Offside front lower crossmember distorted

Under trays fitted obscuring some underside components

Pass 6 Oct 2015 23,030 miles
Pass 3 Oct 2014 19,509 miles

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

Fail 3 Oct 2014 19,509 miles

Nearside Front Side repeater not working (1.4.A.2c)

Nearside Front Tyre has ply or cords exposed (4.1.D.1b)

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

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 ACO is a 2011 Mercedes-benz B-class in Blue with a 1,991cc diesel engine. This vehicle has been through 17 MOT tests with a personal pass rate of 70.6%.

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 ACO, 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 ACO?

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

What year was KN11 ACO registered?

KN11 ACO is a 2011 Mercedes-benz B-class, first registered on 11 April 2011.

Is KN11 ACO safe to buy?

The MOT history for KN11 ACO shows 17 tests with a 70.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN11 ACO 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 ACO. 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.