Transmission Fluid
Mercedes-Benz
Mercedes-Benz S-Class

Should you change Transmission oil for Mercedes Benz S Class W220 at 70000 miles?

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Wiki User
2010-08-14 18:54:04

W220 S320 2001 I changed transmission oil at 65,000 miles and

see an noticeable difference in smoothness of the shift. The oil

was of chocolate colour and had a distintive smell to it. I believe

that transmission oil should be changed at 60,000 miles.

auto transmission oil should be changed every 40,000 - 50,000

Kms or 25,000 - 30,000 Miles no mater what vehicle it is as oils

only have a limited life span. The oil should be changed before it

get to the chocolate colour as it then indicates the clutches in

your transmission are burning and not engaging properly causing

damage.

Per the service booklet for your W220 on page 15, it should have

been changed at 40k miles from new. If you have not had it done

yet, your vehicle has not been serviced correctly, and you should

take it to a different garrage!


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