Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 443)

442
Practical hints
Replacing SmartKey batteries
̈ Pull out batteries 3.
̈ Using a line-free cloth, insert new
batteries
3 with the plus (+) side fac-
ing up underneath the contact
spring
4.
̈ Return battery compartment 2 into
housing until it locks into place.
̈ Slide mechanical key 1 back into the
SmartKey.
̈ Check the operation of the SmartKey
and the KEYLESS-GO*.
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