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Old 10-30-2003, 01:50 AM
ericnguyen ericnguyen is offline
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Join Date: Jan 2003
Location: USA
Posts: 699
Yes, there are ONLY EXACTLY two 14mm Allen bolts around the differential unit, so there's nothing to be confused about. The higher plug is the fill plug and the lower one is the drain plug.

The gear oil should be any API GL5 75W-90 or 80W-90.

Do not use 80W-140 in your c220. This weight is only used for trucks or maybe racing cars.

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