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.
See also:
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Automatic update
About twice a year, Sirius performs an update of
the channel names and positions. The update
takes place automatically and may take several
minutes. ...
Removing: manual head restraints
Only remove the head restraint if no one will be
sitting in the seat in question.
1. Pull the head restraint upward as far as possible.
2. Press the button, arrow 1, and pull the head
restrain ...