Mercedes-Benz R-Class 2008 Owners Manual - Manual (Page 480)

479
Practical hints
Replacing SmartKey batteries
̄
Replacing SmartKey batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* 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 474).
1 Mechanical key
2 Battery compartment
̈ Insert mechanical key 1 into opening.
̈ Press mechanical key 1 in direction of
arrow.
The battery compartment is unlatched.
̈ Pull battery compartment 2 out of the
SmartKey housing.
3 Batteries
4 Contact springs
̈ Pull out batteries 3.
̈ Using a line-free cloth, insert new bat-
teries
3 under contact springs 4 with
the positive terminal (+) side facing up.
̈ Return battery compartment 2 into
housing until it locks into place.
̈ Slide mechanical key 1 back into
SmartKey.
̈ Check the operation of the SmartKey
or SmartKey with KEYLESS-GO*.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
i When inserting 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.