XRemove the SmartKey from the trunk lid
lock.XCheck whether the trunk is locked.XUnlocking: Insert the mechanical key into
trunk lid lock 0046.XTurn the mechanical key counterclockwise
as far as it will go.XRemove the SmartKey from the trunk lid
lock.
You can now open the trunk.
Replacing SmartKey battery
If the battery in the SmartKey is discharged,
the vehicle can no longer be locked or
unlocked. It is recommended to have the
battery replaced at an authorized Mercedes-
Benz Center.
GWarning!
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries out
of reach of children.
If a battery is swallowed, seek medical help
immediately.
GWarning!
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, see http://
www.dtsc.ca.gov/HazardousWaste/
Perchlorate/index.cfm .
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred method
of disposal. Many states (USA only) or
provinces (Canada only) require sellers of
batteries to accept old batteries for recycling.
When inserting the battery, make sure he is
clean and free of lint.
i The required replacement battery is
available at any authorized Mercedes-Benz
Center.
Replacement battery: Lithium, type CR 2025
or equivalent.XRemove the mechanical key from the
SmartKey ( Y page 397).XPress mechanical key 0047 into the SmartKey
opening until battery compartment
cover 0046 opens. Do not keep the cover
shut.XRemove the battery compartment cover.XPat the SmartKey against the palm of your
hand until battery 008A falls out.XInsert the new battery with the positive
terminal (+) facing up. Use a lint-free cloth.XInsert the tabs of the battery compartment
cover into the housing and press the cover
closed.XCheck the operation of the SmartKey.Replacing SmartKey battery399Practical hintsBA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 399Z
