Significant number of forum members swear by the "top sider" [sucking th oil out the filler hole method]..

I use the old fashioned > jack up the car> drop the splash pans >[easy!!] and use the oil pan drain plug... [1997 C230]

while you are under the car> can see "what else" is going on...

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Kim Langley
97 C-230
80 911 SC
73 2002Tii