Rear differential oil for w124?

[Zahid Jahangir]

Hi,

Today I have started servicing my vehicle at my brothers garage, and the gear oil sent from autodoc is very thin, just like water.

My brother said no way, the rear diff oil should be thick.

I have been doing some searches, now some people online are saying fully synthetic oil 75w 90 gear oil, GL-5???


Can someone shed some light on this please?

Thanx Zahid

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[LostKiwi]

I use 75w-80 GL4 in my cars.

 

[Gazwould]

Hi,

Today I have started servicing my vehicle at my brothers garage, and the gear oil sent from autodoc is very thin, just like water.

My brother said no way, the rear diff oil should be thick.

I have been doing some searches, now some people online are saying fully synthetic oil 75w 90 gear oil, GL-5???


Can someone shed some light on this please?

Thanx Zahid

Sent from my WAS-LX1A using Tapatalk

What year , model , engine code and gearbox ?

 

[Zahid Jahangir]

What year , model , engine code and gearbox ?

1990, 300TE-24 estate, m104, automatic

Thank you Zahid

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[Zahid Jahangir]

I use 75w-80 GL4 in my cars.

Part synthetic or fully?

Thanx Zahid

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[LostKiwi]

Semi synthetic but fully synthetic is also fine.

 

[Zahid Jahangir]

I have found some fully synthetic 75w-90 designed for extreme pressure with additives, GL-5 and MB 235.0 recommended.

It's a triple qx brand, and the spec looks sound from eurocarparts for £15.49 a litre, I think these w124 take around 1.3liters???

Regards Zahid

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[LostKiwi]

Should do fine. 1.3 litres is correct.

 

[Gazwould]

Approvals
MB-APPROVAL 235.7

MB-APPROVAL 235.74

MB-APPROVAL 239.71

MB-APPROVAL 239.72

 

[daibevan]

Try Opie oils on here
10% discount for forum members

 

[Zahid Jahangir]

Just got some from eurocarparts, so iv already dropped it off to my brothers garage. Hopefully I get my cat later, as I'm at work today. But thanx for everyones feed back

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[DREAMER NO2]

Gazwould thats just the same oil i have in my final drive . Not synthetic oil , but the standard gear oil .

Just got some from eurocarparts, so iv already dropped it off to my brothers garage. Hopefully I get my cat later, as I'm at work today. But thanx for everyones feed back

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Zahid do open up the filler plug first ,,before you drain off the oil .If the fill plug is stuck you wont be able to refill it .