Changing rear differential oil:
NOTE:
The oil no longer has to be changed in rear differentials which do not have an oil drain plug (168K from 03/2003, 168L, 188L, 215L).
Only change oil when rear differential is at normal operating temperature.
Recycling:
Catch and dispose of emerging differential oil.
Observe country-specific waste-disposal regulations
Place oil collecting apparatus underneath.
Remove oil drain plug (1).
Drain and dispose of differential oil.
Undo oil filler plug (2).
Installation:
- Oil drain plug with sealing ring:
Replace sealing ring (1).
- Oil drain plug with O-ring:
Replace oil drain plug (2).
Installation:
Pour in rear differential oil up to lower edge of opening for oil filler plug (1).
Installation:
- Oil filler plug with sealing ring:
Replace sealing ring (1).
- Oil filler plug with O-ring:
Replace oil filler plug (2).