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G4 OOJ

2021 Mercedes-benz G 400 AMG Line Prem + D 4M A

Silver Diesel 2925cc
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MOT Status

Valid
Expires30 Nov 2026
Tests31 (21 pass, 10 fail)
Pass rate67.7%

Mileage

100,219 mi
Last recorded100,219 miles
Recorded on1 Dec 2025
Typical for 2021 Mercedes-benz G 400 AMG Line Prem + D 4M A36,825 mi

Significantly above average — investigate

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Vehicle Details

RegistrationG4 OOJ
MakeMercedes-benz
ModelG 400 AMG Line Prem + D 4M A
Year2021
ColourSilver
Fuel typeDiesel
Engine2,925cc
View full Mercedes-benz G 400 AMG Line Prem + D 4M A reliability data

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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

21 pass 10 fail
Pass 1 Dec 2025 100,219 miles
Pass 14 May 2025 334,368 miles

Central Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

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

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Nearside Rear Tyre slightly damaged out of shape and perishing (5.2.3 (d) (ii))

Nearside Side repeater slightly discoloured (4.4.3 (a))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Tyre slightly damaged tyre has cuts not deep enough to reach the ply or cords also is wearing out of shape and perishing (5.2.3 (d) (ii))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

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

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Integral body structure is corroded but structural rigidity is not significantly reduced rear spring upper mounting points corroded (6.1.1 (c) (i))

Rear Integral body structure is corroded but structural rigidity is not significantly reduced rearmost body mounting points corroded (6.1.1 (c) (i))

Fail 1 May 2025 333,954 miles

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

Nearside Front Wheel bearing rough when rotated (5.1.3 (b) (i))

Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Side repeater incorrect colour (4.4.3 (a))

Central Rear Brake hose slightly deteriorated (1.1.12 (b) (ii))

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

Nearside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

Nearside Rear Tyre slightly damaged out of shape and perishing (5.2.3 (d) (ii))

Nearside Side repeater slightly discoloured (4.4.3 (a))

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Tyre slightly damaged tyre has cuts not deep enough to reach the ply or cords also is wearing out of shape and perishing (5.2.3 (d) (ii))

Offside Integral body structure is corroded but structural rigidity is not significantly reduced sill (6.1.1 (c) (i))

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

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Integral body structure is corroded but structural rigidity is not significantly reduced rear spring upper mounting points corroded (6.1.1 (c) (i))

Rear Integral body structure is corroded but structural rigidity is not significantly reduced rearmost body mounting points corroded (6.1.1 (c) (i))

Pass 7 Nov 2024 73,591 miles
Pass 16 May 2024 314,563 miles

Engine cover fitted obscuring engine components

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Fail 16 May 2024 314,563 miles

Nearside Headlamp aim unable to be tested (4.1.2 (b))

Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Engine cover fitted obscuring engine components

Offside Front Brake hose slightly deteriorated (1.1.12 (b) (ii))

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 17 May 2023 298,895 miles

Oil leak, but not excessive (8.4.1 (a) (i))

exhaust system slightly corroded

Fail 17 May 2023 298,895 miles

Front Registration plate does not conform to the specified requirements spaced in such away it forms a word or name (0.1 (d))

Rear Registration plate does not conform to the specified requirements spaced in such away it forms a word or name (0.1 (d))

Oil leak, but not excessive (8.4.1 (a) (i))

exhaust system slightly corroded

Fail 4 Apr 2023 298,838 miles

Central Power steering ram insecure damper ram bush worn (2.1.5 (d) (i))

Front Registration plate does not conform to the specified requirements letters incorrectly spaced (0.1 (d))

Nearside Headlamp aim too low (4.1.2 (a))

Nearside Headlamp levelling device inoperative (4.1.5 (a))

Offside Headlamp levelling device inoperative (4.1.5 (a))

Offside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Rear Registration plate does not conform to the specified requirements letters incorrectly spaced (0.1 (d))

Nearside Rear Suspension arm pin or bush worn but not resulting in excessive movement trailing arm bushes (5.3.4 (a) (i))

Nearside Windscreen wiper blade defective (3.4 (b) (i))

Offside Rear Suspension arm pin or bush worn but not resulting in excessive movement trailing arm bushes (5.3.4 (a) (i))

Offside Side repeater slightly discoloured (4.4.3 (a))

Oil leak, but not excessive engine (8.4.1 (a) (i))

Pass 25 Mar 2022 174,499 miles

Drag link end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Front Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt All (2.1.3 (g) (i))

Nearside Rear Shock absorbers has slight external damage to the casing Rusting (5.3.2 (b))

Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))

Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

Parking brake only just met requirements

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

Pass 25 Mar 2021 167,777 miles

Drag link end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Nearside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Offside Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Oil leak, but not excessive (8.4.1 (a) (i))

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

Pass 25 Mar 2020 164,538 miles

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

Pass 2 Apr 2019 154,950 miles

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

Fail 2 Apr 2019 154,947 miles

Central Exhaust has a major leak of exhaust gases Clamp missing (6.1.2 (a))

Oil leaking excessively from engine (8.4.1 (a) (i))

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

Pass 29 Mar 2018 150,839 miles

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

Oil leak ()

Fail 29 Mar 2018 150,839 miles

Front registration plate character(s) incorrectly spaced (6.3.4a)

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

Oil leak ()

Rear registration plate character(s) incorrectly spaced (6.3.4a)

Pass 13 Mar 2017 141,110 miles

Items removed from driver's view prior to test ()

Oil leak from engine contaminating o/s/front brake flexi pipe ()

Tyre worn close to the legal limit both rear tyres (4.1.E.1)

advise corrosion in tow bar plug lights still work

advise rust in mountings for rear shocker at top

Fail 8 Mar 2017 141,105 miles

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

Nearside Rear coil spring broken (2.4.C.1a)

Offside Rear coil spring broken (2.4.C.1a)

Items removed from driver's view prior to test ()

Oil leak from engine contaminating o/s/front brake flexi pipe ()

Tyre worn close to the legal limit both rear tyres (4.1.E.1)

advise corrosion in tow bar plug lights still work

advise rust in mountings for rear shocker at top

Pass 1 Apr 2016 134,529 miles

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

Offside Front Shock absorber has a light misting of oil (2.7.3)

Fail 1 Apr 2016 134,529 miles

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

Nearside Headlamp aim too low (1.8)

Offside Front Shock absorber has a light misting of oil (2.7.3)

Offside Headlamp aim too low (1.8)

Pass 2 Mar 2015 127,546 miles

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

oil leak engine area

possible e.s.b. light fault in near future intermitant

Pass 25 Feb 2014 195,484 miles
Fail 24 Feb 2014 195,484 miles

Exhaust system not adequately supported (7.1.1)

Nearside Headlamp not working on dipped beam (1.7.5a)

Nearside Headlamp not working on main beam (1.7.5a)

Nearside Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

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

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

Pass 28 Jan 2013 116,422 miles
Pass 4 Nov 2011 110,502 miles

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Pass 28 Oct 2010 106,275 miles

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

Pass 5 Oct 2009 99,152 miles
Pass 10 Oct 2008 93,127 miles
Pass 19 Sep 2007 84,913 miles

Centre Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Offside Outer Drag link end ball joint has slight play (2.2.B.1f)

diesel smell from engine compartment

Pass 15 Sep 2006 120,940 miles
Fail 11 Sep 2006 120,929 miles

Offside Headlamp aim too low (1.8)

Offside Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)

How Reliable is the Mercedes-benz G 400 AMG Line Prem + D 4M A?

Based on 581 MOT tests across 313 vehicles.

89.8%
Pass Rate
8,371
Miles/Year
313
On UK Roads
Full Mercedes-benz G 400 AMG Line Prem + D 4M A reliability report

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G4 OOJ is a 2021 Mercedes-benz G 400 AMG Line Prem + D 4M A in Silver with a 2,925cc diesel engine. This vehicle has been through 31 MOT tests with a personal pass rate of 67.7%.

Across all 2021 Mercedes-benz G 400 AMG Line Prem + D 4M A models, the average MOT pass rate is 89.1% with a typical mileage of 36,825 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

Frequently Asked Questions

How do I check the history of G4 OOJ?

You can check the full history of G4 OOJ by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G4 OOJ registered?

G4 OOJ is a 2021 Mercedes-benz G 400 AMG Line Prem + D 4M A, first registered on 1 November 2021.

Is G4 OOJ safe to buy?

The MOT history for G4 OOJ shows 31 tests with a 67.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does G4 OOJ 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 G4 OOJ. 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.