FYI. I used a 76mm 14 flute oil filter wrench. Brought the cap to Pboys. It was a little loose but it worked. Bought the silver colored one not black. I could have done it by using the plier type which i had but there was a torque spec for the cap.

These cars dont have any place to put the jack stands. You have to remove a cover to get access to the oil pan. Best bet is to use an evacuator-suction through the dip stick tube.

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'85 300D Cal 280,000 miles
'14 GLK 350 60000 miles