Mercedes-Benz R-Class Owner's Manual page 331

Practical advice
Battery
!
Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz. These battery
chargers allow the battery to be charged
while it is still installed. Otherwise, the vehi-
cle's electronic system may be damaged.
!
Only use battery chargers with a maxi-
mum charging voltage of 14.8 V.
Charge the battery. Observe the notes in
X
the operating instructions for your battery
charger.
Refit the charged battery.
X
To do this, follow the steps described in
"Removing the battery" ( page 327) in
Y
reverse order.
i
You can charge the battery using the
jump-start terminals. These are located on
the right when viewed in the direction of
travel.
Open the bonnet ( page 220).
X
Y
328
Jump-start terminals
Body earth point (negative terminal)
1
Positive terminal (under cover)
2
Cover
3
Reconnecting the battery
!
Always reconnect the battery in the
sequence described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
Switch off all electrical consumers.
X
Connect the positive terminal clamp and
X
secure the cover.
Connect the negative terminal clamp.
X
Connect the breather hose. Make sure that
X
a cell cap is fitted is fitted on the side.
i
If the battery power supply has been inter-
rupted (e.g. if it has been reconnected), you
must carry out the following tasks:
Set the time ( page 132).
R
Y
On vehicles with COMAND and a naviga-
tion system*, the clock is set automati-
cally
Reset the sliding/tilting sun-
R
roof* ( page 180).
Y
Reset the panorama sliding/tilting sun-
R
roof ( page 183).
Y
Reset the function for folding the exterior
R
mirrors in/out automatically* by folding
the mirrors out once ( page 91).
Y
Reset the side windows (
R
Y
page 107)
* optional