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KN11 BYG

2011 Mercedes-benz C

Blue Diesel 2143cc
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MOT Status

Valid
Expires9 Jun 2027
Tests19 (13 pass, 6 fail)
Pass rate68.4%

Mileage

219,549 mi
Last recorded219,549 miles
Recorded on1 Jun 2026
Typical for 2011 Mercedes-benz C76,133 mi

Significantly above average — investigate

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

RegistrationKN11 BYG
MakeMercedes-benz
ModelC
Year2011
ColourBlue
Fuel typeDiesel
Engine2,143cc

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 6 fail
Pass 1 Jun 2026 219,549 miles

Handbrake is weak and only just passed the brake test

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Rear suspension level sensor for headlamps is broken

Pass 10 Jun 2025 207,526 miles

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

Rear Headlamp level sensor arm is broken

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Fail 10 Jun 2025 207,526 miles

Nearside Headlamp aim too high (4.1.2 (a))

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

Offside Headlamp aim too high (4.1.2 (a))

Rear Headlamp level sensor arm is broken

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Pass 6 Jun 2024 195,980 miles
Pass 7 Jun 2023 183,407 miles

Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

oil leak

Fail 6 Jun 2023 183,405 miles

Brake performance unable to be tested (1.2.1 (g))

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

Nearside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Offside Front Inner Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

oil leak

Pass 31 May 2022 171,932 miles

Oil leak, but not excessive Signs of engine oil leaking on under trays (8.4.1 (a) (i))

Fail 30 May 2022 171,918 miles

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

Nearside Front Tyre obviously under inflated (5.2.3 (l))

Oil leak, but not excessive Signs of engine oil leaking on under trays (8.4.1 (a) (i))

Pass 4 Jun 2021 163,140 miles
Pass 5 Jun 2020 156,132 miles

Brake fluid close to minimum mark (1.1.10 (d) (ii))

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Fail 22 May 2020 156,111 miles

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

Brake fluid close to minimum mark (1.1.10 (d) (ii))

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Coolant leak

engine drive belt badly split/worn and contaminated with coolant

Pass 14 May 2019 141,108 miles

Tyre worn close to legal limit/worn on edge both rears close to wear bars (5.2.3 (e))

Pass 13 Jul 2018 126,219 miles
Fail 12 Jul 2018 126,218 miles

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

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

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

Deep cuts on nearside front tyre outer wall

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

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

Pass 19 May 2017 107,985 miles

Nearside front tyre cut on outer wall

Fail 19 May 2017 107,985 miles

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

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

Nearside front tyre cut on outer wall

Pass 13 May 2016 88,540 miles
Pass 12 May 2015 71,017 miles

Offside front tyre inner edge worn. ADVISE REPLACE

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

Pass 27 Mar 2014 52,006 miles

How Reliable is the Mercedes-benz C?

Based on 8,031,355 MOT tests across 683,668 vehicles.

77.6%
Pass Rate
6,412
Miles/Year
32
Year Lifespan
683,668
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 240,078
Suspension arm has excessive play in a ball joint 76,831
Track rod end ball joint has excessive play 67,503
Brake pipe excessively corroded 66,298
coil spring broken 61,560
Full Mercedes-benz C reliability report

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KN11 BYG is a 2011 Mercedes-benz C in Blue with a 2,143cc diesel engine. This vehicle has been through 19 MOT tests with a personal pass rate of 68.4%.

Across all 2011 Mercedes-benz C models, the average MOT pass rate is 80.7% with a typical mileage of 76,133 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 C fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 240,078 recorded failures. If you're considering buying KN11 BYG, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz C typically stays on UK roads for around 32 years. At 15 years old, this Mercedes-benz C is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of KN11 BYG?

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

What year was KN11 BYG registered?

KN11 BYG is a 2011 Mercedes-benz C, first registered on 29 March 2011.

Is KN11 BYG safe to buy?

The MOT history for KN11 BYG shows 19 tests with a 68.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN11 BYG 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 BYG. 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.