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Practical hints
Locking/unlocking in an emergency
̈ Remove mechanical key (୴ page 325).
̈ Insert the mechanical key 1 in side
opening and push gray slide.
The battery compartment is unlatched.
̈ Pull battery compartment 2 out of the
SmartKey housing in direction of ar-
row.
̈ Remove the batteries.
3 Battery
4 Contact spring
̈ Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.
̈ Return battery compartment into hous-
ing until it locks into place.
SmartKey with KEYLESS-GO*
1 Battery
2 Tilt battery up
3 Mechanical key
Replacement batteries: Lithium, type
CR 2025 or equivalent.
i
The required replacement batteries are
available at any Mercedes-Benz
Center.
୴୴