Replacing Batteries - Mercedes-Benz 2009 SLK-Class Operator's Manual

Replacing SmartKey batteries
If the batteries in the SmartKey are dis-
charged, the vehicle can no longer be locked
or unlocked. It is recommended to have the
batteries replaced at an authorized Mer-
cedes-Benz Center.
G Warning!
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
G Warning
SmartKey batteries contain Perchlorate
material, which may require special han-
dling and regard for the environment.
Check with your local government's dis-
posal guidelines. California residents, see
http://www.dtsc.ca.gov/Hazardous-
Waste /Perchlorate/index.cfm.
Batteries contain materials that can harm the
environment if disposed of improperly. Recy-
cling of batteries is the preferred method of
disposal. Many states require sellers of bat-
teries 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 ( Y page 308).
Mechanical key
1
Battery compartment
2
Practical hints
Replacing SmartKey batteries
X
Insert mechanical key into opening.
1
X
Press mechanical key in direction of
1
arrow.
Battery compartment is unlatched.
2
X
Pull battery compartment
2
SmartKey housing.
Batteries
3
Contact springs
4
X
Pull out batteries 3.
X
Insert new batteries under contact
3
springs with the positive terminal (+)
4
side facing up.
X
Return battery compartment
SmartKey housing until it locks into place.
out of the
into
2
Z
311