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K400 RTN

2001 Mercedes Unknown

White Diesel 4250cc
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MOT Status

Valid
Expires22 May 2027
Tests7 (4 pass, 3 fail)
Pass rate57.1%

Mileage

559,567 mi
Last recorded559,567 miles
Recorded on23 May 2026
Typical for 2001 Mercedes Unknown132,999 mi

Significantly above average — investigate

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

RegistrationK400 RTN
MakeMercedes
ModelUnknown
Year2001
ColourWhite
Fuel typeDiesel
Engine4,250cc

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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

4 pass 3 fail
Pass 23 May 2026 559,567 miles
Pass 26 Oct 2024 558,409 miles
Pass 15 Sep 2023 553,192 miles

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Air brake cylinder/actuator corroded but not seriously weakened (1.1.16 (d) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Fail 14 Sep 2023 553,192 miles

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

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

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Air brake cylinder/actuator corroded but not seriously weakened (1.1.16 (d) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Fail 23 Aug 2023 553,179 miles

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

Nearside Front Air brake cylinder/actuator cracked brake chamber (1.1.16 (a) (i))

Nearside Front Air brake cylinder/actuator excessively corroded brake chamber (1.1.16 (d) (i))

Nearside Front Seat belt anchorage prescribed area strength or continuity significantly reduced inner and outer arch (7.1.1 (a) (i))

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

Nearside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))

Nearside Side repeater missing (4.4.1 (a) (ii))

Offside Front Seat belt anchorage prescribed area strength or continuity significantly reduced inner arch (7.1.1 (a) (i))

Nearside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Offside Front Air brake cylinder/actuator corroded but not seriously weakened brake chamber (1.1.16 (d) (i))

Offside Rear Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

slight diesel leak around engine

Pass 23 Aug 2022 540,794 miles
Fail 18 Aug 2022 540,791 miles

Offside Front Braking system leaking Connection at ABS module (1.1.3 (d))

How Reliable is the Mercedes Unknown?

Based on 11,881 MOT tests across 4,378 vehicles.

79.2%
Pass Rate
3,416
Miles/Year
39
Year Lifespan
4,378
On UK Roads
Full Mercedes Unknown reliability report

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K400 RTN is a 2001 Mercedes Unknown in White with a 4,250cc diesel engine. This vehicle has been through 7 MOT tests with a personal pass rate of 57.1%.

Across all 2001 Mercedes Unknown models, the average MOT pass rate is 69.9% with a typical mileage of 132,999 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Mercedes Unknown typically stays on UK roads for around 39 years. At 25 years old, this Mercedes Unknown is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of K400 RTN?

You can check the full history of K400 RTN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was K400 RTN registered?

K400 RTN is a 2001 Mercedes Unknown, first registered on 2 October 2001.

Is K400 RTN safe to buy?

The MOT history for K400 RTN shows 7 tests with a 57.1% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does K400 RTN 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 K400 RTN. 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.