change key battery MERCEDES-BENZ ML55AMG 2002 W163 Owner's Manual

292 Remote control
Te ch n i c a l
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Remote control battery replacement
Changing batteries
Unfold master key from holder by pressing key release
button. Pull off battery cover (1).
Change batteries, inserting new ones with (+) side
facing up.
Press battery cover onto housing until locked in place.Notes:
To assure proper operation of the remote control, push
each button. Repeat battery installation, if remote
control does not function correctly.
If the remote control does not function correctly after
repeating battery installation, the system may have to be
resynchronized, see below.