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G834 XTN

1989 Mercedes-benz 420

Black Petrol 4196cc
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MOT Status

Valid
Expires5 Oct 2026
Tests17 (10 pass, 7 fail)
Pass rate58.8%

Mileage

142,312 mi
Last recorded142,312 miles
Recorded on6 Oct 2025
Typical for 1989 Mercedes-benz 420104,245 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

RegistrationG834 XTN
MakeMercedes-benz
Model420
Year1989
ColourBlack
Fuel typePetrol
Engine4,196cc

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

10 pass 7 fail
Pass 6 Oct 2025 142,312 miles
Pass 25 Oct 2019 141,233 miles

rear offside sill has surface corrosion inner and outer

vehicle has been under sealed

Pass 10 May 2018 139,728 miles

Offside Front Lower Suspension arm corroded but not seriously weakened (2.4.G.1)

Pass 17 Jan 2017 139,229 miles

Rear Fuel Pipe/s corroded ()

Fail 24 Nov 2016 139,226 miles

Nearside Rear Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Rear Fuel Pipe/s corroded ()

Pass 7 May 2013 139,190 miles
Fail 26 Apr 2013 139,190 miles

Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Nearside front brake binding (3.7.B.1)

Offside front brake binding (3.7.B.1)

off side front,near side front and near side rear tyres starting to crack between the tread

rear silencer outer skin seperating but not blowing

wipers difficult to switch off

Fail 22 Feb 2012 139,086 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 22 Feb 2012 139,086 miles
Pass 20 Aug 2010 138,342 miles
Fail 20 Aug 2010 138,342 miles

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

Fail 2 Aug 2010 138,299 miles

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

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

Exhaust emits clearly visible black smoke during acceleration (7.3.A.2c)

Exhaust emits visible black smoke at idle (7.3.A.2b)

Offside Anti-roll bar attachment bracket/mounting corroded and its strength is seriously reduced (2.4.G.1)

Offside Front Vehicle structure has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Tyre has a tear, caused by separation or partial failure of its structure (4.1.D.1b)

Rear Exhaust has part of the system slightly deteriorated (7.1.1a)

Rear Vehicle structure has slight corrosion (6.1.B.2)

Fail 30 Jun 2010 138,107 miles

Exhaust emits dense blue smoke at idle (7.3.A.2b)

Front Headlamp aim too low (1.8)

Nearside Rear Brake hose ferrule excessively corroded (3.6.B.4e)

Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Upper Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Rear Brake hose ferrule excessively corroded (3.6.B.4e)

h/brake poor==bad oil leak==eng misfire==os sill soft==fr wish bone and rear subframe bushesd perishing==exh b/box badly corrodfed

Pass 30 Apr 2009 135,784 miles

Brake pad(s) wearing thin (3.5.1g)

Nearside Front Headlamp not in good working order but not adversely affecting beam image (1.2.4a)

Nearside Rear brake disc slightly scored (3.5.1h)

Offside Rear brake disc slightly scored (3.5.1h)

Offside rear brake grabbing slightly (3.7.A.5b)

Steering system has slight free play detected at steering wheel (2.2.A.1a)

Pass 3 Oct 2007 134,545 miles
Fail 2 Oct 2007 134,543 miles

Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Rear Exhaust has part of the system slightly deteriorated (7.1.1a)

fuel pipes corroded

Pass 3 Oct 2006 132,036 miles

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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G834 XTN is a 1989 Mercedes-benz 420 in Black with a 4,196cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 58.8%.

Across all 1989 Mercedes-benz 420 models, the average MOT pass rate is 78.1% with a typical mileage of 104,245 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 G834 XTN, 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 37 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 G834 XTN?

You can check the full history of G834 XTN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G834 XTN registered?

G834 XTN is a 1989 Mercedes-benz 420, first registered on 1 August 1989.

Is G834 XTN safe to buy?

The MOT history for G834 XTN shows 17 tests with a 58.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does G834 XTN 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 G834 XTN. 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.