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K666 STL

2011 Mercedes-benz C

Red Diesel 2143cc
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MOT Status

Valid
Expires5 Dec 2026
Tests18 (13 pass, 5 fail)
Pass rate72.2%

Mileage

129,649 mi
Last recorded129,649 miles
Recorded on25 Nov 2025
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

RegistrationK666 STL
MakeMercedes-benz
ModelC
Year2011
ColourRed
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 5 fail
Pass 25 Nov 2025 129,649 miles

Front undertray insecure

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Nearside Rear Upper Suspension arm ball joint has slight play (5.3.4 (a) (i))

Offside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Pass 26 Nov 2024 122,637 miles

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

Fail 25 Nov 2024 122,637 miles

Central Exhaust has a major leak of exhaust gases clamp (6.1.2 (a))

Nearside Front Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

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

Pass 6 Dec 2023 113,279 miles

Fuel tank retaining straps corroded

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

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords Outer sidewall (5.2.3 (d) (i))

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

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Fail 29 Nov 2023 113,163 miles

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

Fuel tank retaining straps corroded

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 Front track control arm bush (5.3.4 (a) (i))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords Outer sidewall (5.2.3 (d) (i))

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

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

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

Pass 5 Dec 2022 107,189 miles

Nearside Front Outer Tyre has a cut but not deep enough to reach the ply or cords sidewall (5.2.3 (d) (i))

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Offside Rear Outer Tyre slightly damaged sidewall (5.2.3 (d) (ii))

Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning high level (4.3.1 (a) (i))

Fail 18 Nov 2022 106,969 miles

Nearside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))

Nearside Parking brake inoperative on one side (1.4.1 (a))

Nearside Side repeater light intensity significantly reduced (4.4.3 (a))

Offside Headlamp cleaning device for LED or HID headlamp inoperative (4.1.6 (a) (ii))

Offside Rear Brake pipe excessively corroded pipe on ns chassis (1.1.11 (c))

Rear Headlamp levelling device inoperative height sensor broken (4.1.5 (a))

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

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Central Stop lamp(s) non-obligatory stop lamp not working (4.3.1 (a) (ii))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Front Tyre has a cut but not deep enough to reach the ply or cords unable to see plies/cords due to tyre being glued (5.2.3 (d) (i))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Pass 19 Nov 2021 98,134 miles
Pass 3 Mar 2021 94,181 miles
Pass 3 Mar 2020 89,629 miles

Front Tyre worn close to legal limit/worn on edge edges both sides (5.2.3 (e))

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

Pass 3 May 2019 85,118 miles

Plastic undertrays fitted underside of vehicle

Fail 2 May 2019 85,118 miles

Nearside Rear Parking brake inoperative on one side (1.4.1 (a))

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

Plastic undertrays fitted underside of vehicle

Pass 9 May 2018 78,864 miles
Fail 4 May 2018 78,822 miles

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

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

Pass 28 Mar 2017 70,238 miles
Pass 25 Jun 2016 57,053 miles
Pass 15 May 2015 41,306 miles
Pass 22 Jul 2014 35,114 miles

Nearside 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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K666 STL is a 2011 Mercedes-benz C in Red with a 2,143cc diesel engine. This vehicle has been through 18 MOT tests with a personal pass rate of 72.2%.

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 K666 STL, 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 K666 STL?

You can check the full history of K666 STL by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K666 STL registered?

K666 STL is a 2011 Mercedes-benz C, first registered on 30 June 2011.

Is K666 STL safe to buy?

The MOT history for K666 STL 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 K666 STL 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 K666 STL. 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.