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K99 THX

2012 Mercedes-benz Cls

Black Diesel 2987cc
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MOT Status

Valid
Expires22 Jan 2027
Tests18 (12 pass, 6 fail)
Pass rate66.7%

Mileage

104,495 mi
Last recorded104,495 miles
Recorded on21 Jan 2026
Typical for 2012 Mercedes-benz Cls65,750 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

RegistrationK99 THX
MakeMercedes-benz
ModelCls
Year2012
ColourBlack
Fuel typeDiesel
Engine2,987cc

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 6 fail
Pass 21 Jan 2026 104,495 miles
Fail 21 Jan 2026 104,493 miles

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

Offside Front Outer Track rod end ball joint has excessive play (2.1.3 (b) (i))

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

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

Pass 13 Jan 2025 96,304 miles
Pass 23 Jan 2024 86,802 miles
Pass 27 Mar 2023 77,118 miles
Fail 17 Mar 2023 77,117 miles

Front Brake disc significantly and obviously worn (1.1.14 (a) (i))

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))

handbrake release defective

Pass 23 Jun 2022 69,836 miles
Pass 13 Jul 2021 63,347 miles
Fail 6 Jul 2021 63,311 miles

Nearside Front Lower Suspension arm pin or bush excessively worn front arm (5.3.4 (a) (i))

Nearside Rear Service brake excessively binding (1.2.1 (f))

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

Offside Front Lower Suspension arm pin or bush excessively worn front arm (5.3.4 (a) (i))

Pass 15 Jul 2020 57,980 miles
Fail 6 Jul 2020 57,847 miles

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

Front Brake pipe corroded, covered in grease or other material to rear x2, at nearside front wheel arch (1.1.11 (c))

Pass 12 Jul 2019 51,476 miles

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

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fail 9 Jul 2019 51,455 miles

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

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

Offside Front Brake pipe excessively corroded (1.1.11 (c))

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

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

Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 5 Jul 2018 46,044 miles

Brake pipe corroded, covered in grease or other material n/s & o/s front brake pipes slightly corroded (1.1.11 (c))

Brake pipe corroded, covered in grease or other material n/s & o/s front to rear brake pipes slightly corroded (1.1.11 (c))

Fail 28 Jun 2018 45,922 miles

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

Brake pipe corroded, covered in grease or other material n/s & o/s front brake pipes slightly corroded (1.1.11 (c))

Brake pipe corroded, covered in grease or other material n/s & o/s front to rear brake pipes slightly corroded (1.1.11 (c))

Pass 22 Jun 2017 38,832 miles

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Rear Brake pipe slightly corroded (3.6.B.2c)

under trays fitted obscuring some components

Pass 29 Jun 2016 31,799 miles

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

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

Pass 9 Jul 2015 25,993 miles

How Reliable is the Mercedes-benz Cls?

Based on 421,126 MOT tests across 35,498 vehicles.

79.8%
Pass Rate
6,663
Miles/Year
21
Year Lifespan
35,498
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 8,450
Tyre has ply or cords exposed 6,682
Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 2,819
Suspension arm has excessive play in a ball joint 2,595
suspension has excessive play in a lower suspension ball joint 2,284
Full Mercedes-benz Cls reliability report

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K99 THX is a 2012 Mercedes-benz Cls in Black with a 2,987cc diesel engine. This vehicle has been through 18 MOT tests with a personal pass rate of 66.7%.

Across all 2012 Mercedes-benz Cls models, the average MOT pass rate is 81.4% with a typical mileage of 65,750 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 Cls fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 8,450 recorded failures. If you're considering buying K99 THX, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz Cls typically stays on UK roads for around 21 years. At 14 years old, this Mercedes-benz Cls is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of K99 THX?

You can check the full history of K99 THX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K99 THX registered?

K99 THX is a 2012 Mercedes-benz Cls, first registered on 12 July 2012.

Is K99 THX safe to buy?

The MOT history for K99 THX shows 18 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does K99 THX 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 K99 THX. 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.