Vehicle battery
Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery.
Your service center will be glad to advise you on questions regarding the battery.
Battery replacement
Use approved vehicle batteries
only
Only use vehicle batteries that have been approved for your vehicle by the manufacturer; otherwise, the vehicle could be damaged and systems or functions may not be fully available.
After a battery replacement, have the battery registered on the vehicle by your service center to ensure that all comfort functions are fully available and that any Check Control messages are no longer displayed.
Charging the battery
In the vehicle, only charge the battery via the starting aid terminals, in the engine compartment with the engine off.
Power failure
After a temporary power loss, some equipment needs to be reinitialized.
Individual settings need to be reprogrammed:
▷ Seat and mirror memory: store the positions again.
▷ Time: update.
▷ Date: update.
▷ Radio station: save again.
▷ Navigation system: wait for the operability of the navigation.
Disposing of old batteries

Have old batteries disposed of by your service center or bring them to a recycling center.
Maintain the battery in an upright position for transport and storage. Secure the battery so that it does not tip over during transport.
See also:
General information
Instructions for voice activation system, refer to
page 22.
To have the available spoken instructions read
out loud: ›Voice commands‹ ...
Energy recovery
The energy of motion of the vehicle
is converted to electrical energy
while coasting. The vehicle
battery is partially charged and
fuel consumption can be lowered. ...
For Canadian customers
Canadian customers who wish to report a safety-related defect to Transport Canada,
Defect Investigations and Recalls, may telephone the toll-free hotline 1-800-333-0510.
You can also obtain other ...
