Replacing Smartkey Batteries; Smartkey - Mercedes-Benz S-Class Operator's Manual

Replacing SmartKey batteries

If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Warning!
Batteries contain poisonous and corrosive
substances. Therefore keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
G

SmartKey

i
When inserting the batteries, make
sure they are clean and free of lint.
i
When changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any authorized
Mercedes-Benz Center.
Remove mechanical key out of the
SmartKey ( page 383).
Practical hints
Replacing SmartKey batteries
1 Mechanical key
2 Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Insert the mechanical key 1 in side
opening and push gray slide.
The battery compartment 2 is un-
latched.
Pull battery compartment 2 out of the
housing in direction of arrow.
Remove the batteries.
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