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Practical hints
Replacing SmartKey batteries
̄ Replacing SmartKey batteries
If the batteries in the SmartKey are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended
to have the batteries replaced at an autho-
rized 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 the mechanical key from the
SmartKey (
୴ page 387).
1 Mechanical key
2 Battery compartment
̈ Insert mechanical key 1 into opening.
̈ Press mechanical key 1 in direction of
arrow.
Battery compartment 2 is unlatched.
̈ Pull battery compartment 2 out of the
housing.
Warning! G
Batteries contain poisonous and corrosive
substances. Therefore 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 replacing batteries, always replace
both batteries.
The required replacement batteries are available
at any Mercedes-Benz Center.
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