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Practical hints
Replacing batteries in the SmartKey/SmartKey with KEYLESS-GO*
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
authorized Mercedes-Benz Center.
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.
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
̈ Remove mechanical key 1
(
୴ page 397).
1 Mechanical key
2 Battery compartment
̈ Insert mechanical key 1 in side
opening and push gray slide.
Battery compartment 2 is unlatched.
̈ Pull battery compartment 2 out of the
SmartKey housing in direction of
arrow.
Warning! G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
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 Mercedes-Benz
Center.