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C491 MGO

1986 Mercedes-benz 420

Silver Petrol 4196cc
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MOT Status

Valid
Expires20 Jul 2027
Tests25 (21 pass, 4 fail)
Pass rate84%

Mileage

169,109 mi
Last recorded169,109 miles
Recorded on17 Jul 2026
Typical for 1986 Mercedes-benz 420107,080 mi

Significantly above average — investigate

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

RegistrationC491 MGO
MakeMercedes-benz
Model420
Year1986
ColourSilver
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

21 pass 4 fail
Pass 17 Jul 2026 169,109 miles

Bonnet sound deadening material panel insecure

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

Offside Front Headlamp lens slightly defective (4.1.1 (b) (i))

Offside Front Seat belt webbing slightly damaged or frayed (7.1.2 (b))

Oil leak, but not excessive Engine, transmission & rear axle (8.4.1 (a) (i))

Pass 16 Jul 2025 168,068 miles

Bonnet sound deadening material panel insecure

Central Oil leak, but not excessive Engine, transmission, rear axle (8.4.1 (a) (i))

Front Seat belt webbing slightly damaged or frayed Both (7.1.2 (b))

Offside Front Lower Suspension arm ball joint dust cover severely deteriorated (5.3.4 (b) (i))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Pass 16 Jul 2024 166,913 miles

Central Oil leak, but not excessive Engine, Transmission, Rear axle (8.4.1 (a) (i))

Front Seat belt webbing slightly damaged or frayed Both (7.1.2 (b) (ii))

Offside Headlamp lens slightly defective Chipped (4.1.1 (b) (i))

Pass 18 Jul 2023 166,250 miles

Central Front Oil leak, but not excessive Engine/Transmission (8.4.1 (a) (i))

Central Rear Oil leak, but not excessive Axle weeping (8.4.1 (a) (i))

Front Seat belt webbing slightly damaged or frayed Both (7.1.2 (b) (ii))

Offside Headlamp lens slightly defective Chipped (4.1.1 (b) (i))

Pass 21 Jul 2022 165,225 miles
Pass 10 Jun 2021 164,568 miles

Front Sub-frame pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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

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

Pass 2 Jun 2020 164,302 miles
Fail 28 May 2020 164,302 miles

Nearside Front Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Tyre has a tear, caused by separation or partial failure of its structure (5.2.3 (d) (ii)) DANGEROUS

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

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

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

Pass 18 Apr 2019 163,642 miles

Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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

Pass 2 Jun 2018 163,203 miles

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

Steering box has seepage (2.1.1 (e) (i))

Pass 18 Nov 2016 161,690 miles
Pass 16 Nov 2015 161,465 miles
Pass 15 Nov 2014 159,231 miles
Fail 31 Oct 2014 159,230 miles

Nearside Front Suspension arm corroded and seriously weakened (2.4.G.1)

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

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

Offside Front Suspension arm corroded and seriously weakened (2.4.G.1)

Rear Exhaust has a major leak of exhaust gases (7.1.2)

Pass 4 Nov 2013 158,311 miles
Pass 14 Nov 2012 156,338 miles
Pass 23 Nov 2011 154,621 miles
Fail 27 Oct 2011 154,621 miles

Nearside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Nearside Front Vehicle structure has excessive corrosion which adversely affects braking or steering (6.1.A.1)

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

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

Offside Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

Registration plate lamp not working (1.1.C.1d)

slight play in steering joints

Pass 21 Oct 2010 152,265 miles
Fail 27 Oct 2009 150,337 miles

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

front numberplate damaged

Pass 27 Oct 2009 150,337 miles

front numberplate damaged

Pass 1 Oct 2008 147,429 miles
Pass 1 Oct 2007 144,627 miles
Pass 30 Oct 2006 140,386 miles

Nearside Front Brake pad(s) wearing thin (3.5.1g)

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

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

Offside Front Brake pad(s) wearing thin (3.5.1g)

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

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 17 Oct 2005 137,722 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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C491 MGO is a 1986 Mercedes-benz 420 in Silver with a 4,196cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 84%.

Across all 1986 Mercedes-benz 420 models, the average MOT pass rate is 75.0% with a typical mileage of 107,080 miles. This particular vehicle has performed better than the average for its year.

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 C491 MGO, 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 40 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 C491 MGO?

You can check the full history of C491 MGO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C491 MGO registered?

C491 MGO is a 1986 Mercedes-benz 420, first registered on 1 November 1986.

Is C491 MGO safe to buy?

The MOT history for C491 MGO shows 25 tests with a 84% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C491 MGO 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 C491 MGO. 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.