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KN11 BYX

2011 Mercedes-benz C

Silver Diesel 2143cc
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MOT Status

Valid
Expires30 Oct 2026
Tests17 (12 pass, 5 fail)
Pass rate70.6%

Mileage

153,011 mi
Last recorded153,011 miles
Recorded on31 Oct 2025
Typical for 2011 Mercedes-benz C76,133 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 BYX
MakeMercedes-benz
ModelC
Year2011
ColourSilver
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

12 pass 5 fail
Pass 31 Oct 2025 153,011 miles

Central Exhaust flexi joint deteriorated/loose

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

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement Inner front bush (5.3.4 (a) (i))

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

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

Rear Diff oil leak

Fail 31 Oct 2025 153,011 miles

Central Exhaust flexi joint deteriorated/loose

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

Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement Inner front bush (5.3.4 (a) (i))

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

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

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

Rear Diff oil leak

Pass 31 Oct 2024 145,608 miles

Coil spring corroded Nearside and offside rear (5.3.1 (b) (i))

Front Exhaust has a minor leak of exhaust gases flexi (6.1.2 (a))

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

Nearside Rear Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Rear differential leak

Fail 31 Oct 2024 145,606 miles

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

Coil spring corroded Nearside and offside rear (5.3.1 (b) (i))

Front Exhaust has a minor leak of exhaust gases flexi (6.1.2 (a))

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

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

Nearside Rear Inner Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Rear differential leak

Pass 29 Sep 2023 135,166 miles

Front Exhaust flexi deteriorated

Nearside Rear Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

Offside Rear Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Rear differential leak

Pass 28 Oct 2022 124,561 miles

Nearside Rear 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))

Fail 27 Oct 2022 124,561 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

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

Nearside Rear 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))

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

Pass 18 Aug 2021 112,179 miles

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

Brake pad(s) wearing thin Nearside and offside rear (1.1.13 (a) (ii))

Exhaust has a minor leak of exhaust gases Middle (6.1.2 (a))

Front Exhaust flexi deteriorated

Nearside and offside front tyre's worn on edge's

Nearside and offside rear tyre's worn unevenly

Pass 14 Aug 2020 98,261 miles

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

Front Exhaust flexi deteriorated

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Fail 14 Aug 2020 98,259 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm 245/40/17 (5.2.3 (e)) DANGEROUS

Offside Rear Tyre has ply or cords exposed 245/40/17 (5.2.3 (d) (ii)) DANGEROUS

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

Front Exhaust flexi deteriorated

Offside Front Wheel bearing has slight play (5.1.3 (a) (i))

Pass 30 Jul 2019 87,837 miles
Pass 20 Aug 2018 80,399 miles
Fail 15 Aug 2018 80,393 miles

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

Pass 18 Aug 2017 71,036 miles
Pass 15 Sep 2016 57,587 miles
Pass 29 Sep 2015 44,707 miles
Pass 18 Mar 2014 23,172 miles

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

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

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 BYX is a 2011 Mercedes-benz C in Silver with a 2,143cc diesel engine. This vehicle has been through 17 MOT tests with a personal pass rate of 70.6%.

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 BYX, 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 BYX?

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

What year was KN11 BYX registered?

KN11 BYX is a 2011 Mercedes-benz C, first registered on 24 March 2011.

Is KN11 BYX safe to buy?

The MOT history for KN11 BYX 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 BYX 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 BYX. 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.