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Practical hints
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 Light Truck 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.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
̈ Remove the mechanical key from the
SmartKey (
୴ page 370).
1 Mechanical key
2 Slide
3 Battery compartment
̈ Insert mechanical key 1 in direction
of the arrow in side opening.
̈ Using mechanical key 1, push gray
slide 2 to unlatch battery
compartment 3.
̈ Pull battery compartment 3 out of the
housing in direction of the arrow.
4 Battery
5 Contact spring
̈ Remove discharged batteries 4 in
direction of the arrow.
̈ Using a lint-free cloth, insert new
batteries under contact spring 5 with
the positive terminal (+) facing up.
̈ Return battery compartment 3 into
the housing until it locks into place.
̈ Slide mechanical key 1 back into the
SmartKey.
̈ Check the operation of the SmartKey.
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 replacing batteries, always replace
both batteries.
The required replacement batteries are available
at any Mercedes-Benz Light Truck Center.