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B4 KJR

1990 Mercedes-benz 420

Black Petrol 4196cc
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MOT Status

Expired
Expires4 Jun 2026
Tests14 (9 pass, 5 fail)
Pass rate64.3%

Mileage

161,657 mi
Last recorded161,657 miles
Recorded on5 Jun 2025
Typical for 1990 Mercedes-benz 420133,525 mi

Above average mileage for this year

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

RegistrationB4 KJR
MakeMercedes-benz
Model420
Year1990
ColourBlack
Fuel typePetrol
Engine4,196cc

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MOT History

9 pass 5 fail
Pass 5 Jun 2025 161,657 miles

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Fail 21 Feb 2025 161,652 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Offside Front Headlamp not working on main beam (4.1.1 (a) (ii))

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

Offside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Pass 1 Oct 2012 161,564 miles
Fail 21 Sep 2012 161,564 miles

Nearside Front Suspension arm has excessive play in a ball joint (2.4.G.2)

Nearside Front Wheel bolt(s) loose (4.2.A.1e)

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

Offside Front Suspension arm has excessive play in a ball joint (2.4.G.2)

Pass 8 Aug 2011 160,808 miles
Fail 2 Aug 2010 157,889 miles

Offside Headlamp aim too low (1.8)

Pass 2 Aug 2010 157,889 miles
Pass 21 Jul 2009 153,708 miles

Centre Rear Seat belt damaged but not affecting the operation of the belt (5.2.2a)

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

Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Pass 5 Aug 2008 150,022 miles

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Fail 31 Jul 2008 149,971 miles

Nearside Rear Shock absorber has a serious fluid leak (2.7.3)

Offside Front Lower Suspension arm has slight play in a ball joint (2.4.G.2)

Pass 25 Jul 2007 146,686 miles
Pass 8 Aug 2006 142,554 miles
Pass 13 Aug 2005 137,852 miles
Fail 11 Aug 2005 137,852 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

Exhaust emits excessive dense blue smoke during acceleration (7.3.A.2c)

Offside 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)

damage fns wing and door.

oil leak

plastic covers to outer sills.

play in steering box,

How Reliable is the Mercedes-benz 420?

Based on 24,311 MOT tests across 2,343 vehicles.

75.7%
Pass Rate
809
Miles/Year
40
Year Lifespan
2,343
On UK Roads

Top MOT Failure Points

Suspension component mounting prescribed area is excessively corroded 647
Brake pipe excessively corroded 577
Tyre tread depth below requirements of 1.6mm 565
brake binding 530
Windscreen wiper does not clear the windscreen effectively 479
Full Mercedes-benz 420 reliability report

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B4 KJR is a 1990 Mercedes-benz 420 in Black with a 4,196cc petrol engine. This vehicle has been through 14 MOT tests with a personal pass rate of 64.3%.

Across all 1990 Mercedes-benz 420 models, the average MOT pass rate is 74.6% with a typical mileage of 133,525 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 420 fails its MOT is suspension component mounting prescribed area is excessively corroded, accounting for 647 recorded failures. If you're considering buying B4 KJR, it's worth having these areas checked by a mechanic before committing.

The Mercedes-benz 420 typically stays on UK roads for around 40 years. At 36 years old, this Mercedes-benz 420 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of B4 KJR?

You can check the full history of B4 KJR by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B4 KJR registered?

B4 KJR is a 1990 Mercedes-benz 420, first registered on 1 February 1990.

Is B4 KJR safe to buy?

The MOT history for B4 KJR shows 14 tests with a 64.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B4 KJR 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 B4 KJR. 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.