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:
Displaying stored Check Control
messages
1. "Vehicle Info"
2. "Vehicle status"
3. "Check Control"
4. Select the text message.
Messages after trip completion
Malfunctions indicated during a trip are display ...
Status display
The current status of the Flat Tire Monitor can
be displayed on the Control Display, e.g.,
whether or not the FTM is active.
1. "Vehicle Info"
2. "Vehicle status"
3. " ...
Resuming the original route
If the route section should no longer be bypassed:
1. "Navigation"
2. "Route information"
3. "New route for:"
4. "Remove blocking" ...
