Replacing smartkey batteries, Replace the batteries, Practical hints – Mercedes-Benz S-Class 2009 User Manual
Page 566
Replacing SmartKey batteries
564
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 authorized
Mercedes-Benz Center.
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
SmartKey batteries contain perchlorate
material, which may require special
handling and regard for the environment.
Check with your local government’s
disposal guidelines. California residents,
.
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred method
of disposal. Many states/provinces require
sellers of batteries to accept old batteries for
recycling.
When inserting the batteries, make sure they
are clean and free of lint.
When replacing batteries, always replace
both batteries.
i
The required replacement batteries are
available at any authorized Mercedes-Benz
Center.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
X
Remove the mechanical key from the
SmartKey (
1
Mechanical key
2
Battery compartment
X
Insert mechanical key
1
into opening.
X
Press mechanical key
1
in direction of
arrow.
Battery compartment
2
is unlatched.
X
Pull battery compartment
2
out of the
SmartKey housing.
3
Batteries
4
Contact springs
X
Pull out batteries
3
.
X
Insert new batteries
3
under contact
springs
4
with the positive terminal (+)
side facing up.
X
Return battery compartment
2
into
SmartKey housing until it locks into place.
Practical hints