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K121 EEF

2020 Mercedes-benz C

White Diesel 1968cc
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MOT Status

Valid
Expires10 May 2027
Tests19 (14 pass, 5 fail)
Pass rate73.7%

Mileage

116,114 mi
Last recorded116,114 miles
Recorded on11 May 2026
Typical for 2020 Mercedes-benz C32,100 mi

Significantly above average — investigate

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

RegistrationK121 EEF
MakeMercedes-benz
ModelC
Year2020
ColourWhite
Fuel typeDiesel
Engine1,968cc

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

14 pass 5 fail
Pass 11 May 2026 116,114 miles

Nearside Front Obligatory mirror slightly damaged (3.3 (b) (i))

Fail 11 May 2026 116,114 miles

Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))

Nearside Rear Tyre tread depth below requirements of 1.6mm 255/35r18 (5.2.3 (e)) DANGEROUS

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

Nearside Front Obligatory mirror slightly damaged (3.3 (b) (i))

Fail 30 Apr 2026 115,250 miles

Bonnet primary retaining device ineffective (3.1 (c))

Offside Headlamp aim too low (4.1.2 (a))

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

All four brake lines corroded.

Both front tyres low on inner edges.

Both offside rims buckled.

Nearside rear tyre bald on inner edge, offside rear low.

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

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

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 23 Feb 2026 150,711 miles
Pass 1 Jul 2025 128,196 miles
Pass 8 May 2025 109,703 miles

Nearside Front Obligatory mirror slightly damaged (3.3 (b) (i))

Pass 16 Jul 2024 111,998 miles
Pass 10 May 2024 100,750 miles

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

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

Fail 8 May 2024 100,727 miles

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

Offside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

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

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

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

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

Pass 7 Sep 2023 91,727 miles
Pass 23 Mar 2023 93,449 miles

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

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

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

Fail 23 Mar 2023 93,449 miles

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

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

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

Offside Headlamp aim too high (4.1.2 (a))

Pass 24 Mar 2022 84,671 miles

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

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

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

Pass 20 Mar 2021 76,545 miles

Engine cover + under trays

Pass 28 Feb 2020 68,489 miles
Pass 11 Mar 2019 55,919 miles
Fail 11 Mar 2019 55,919 miles

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

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

Pass 26 Feb 2018 45,583 miles

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Nearside Front wheel bearing has slight play (2.5.A.3c)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front wheel bearing has slight play (2.5.A.3c)

Pass 3 Feb 2017 34,480 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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K121 EEF is a 2020 Mercedes-benz C in White with a 1,968cc diesel engine. This vehicle has been through 19 MOT tests with a personal pass rate of 73.7%.

Across all 2020 Mercedes-benz C models, the average MOT pass rate is 88.5% with a typical mileage of 32,100 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 K121 EEF, 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 6 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 K121 EEF?

You can check the full history of K121 EEF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K121 EEF registered?

K121 EEF is a 2020 Mercedes-benz C, first registered on 1 September 2020.

Is K121 EEF safe to buy?

The MOT history for K121 EEF shows 19 tests with a 73.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does K121 EEF 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 K121 EEF. 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.