Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 442)

441
Practical hints
Replacing SmartKey batteries
4 Battery
5 Contact spring
̈ Remove the batteries 4 in direction of
arrow.
̈ Using a line-free cloth, insert new
batteries
4 under the contact
spring 5 with the plus (+) side facing
up.
̈ Return battery compartment 3 into
housing until it locks into place.
̈ Slide mechanical key 1 back into the
SmartKey.
̈ Check the operation of the SmartKey.
SmartKey with KEYLESS-GO*
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key 1 ( ୴ page 435).
1 Mechanical key
2 Battery compartment
̈ Insert mechanical key 1 into opening
and press mechanical key in direction
of arrow.
The battery compartment 2 is
unlatched.
̈ Pull the battery compartment 2 out of
the SmartKey housing.
3 Battery
4 Contact spring
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