Replacing Key Batteries - Mercedes-Benz 2005 M-Class Operator's Manual

Practical hints

Replacing key batteries

If the batteries in the remote control 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.
Warning!
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
272
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.
G
i
When replacing batteries, always
replace both batteries.
The required replacement batteries are
available at any Mercedes-Benz Light
Truck Center.