Mercedes-Benz S 320 CDI, Owner'S Manual, Page: 522 / 588

500
Practical advice
Changing the batteries
3
Battery
4
Emergency key element
왘
Use emergency key element
4
to slide
old batteries
3
out of the battery tray.
왘
Insert the new batteries underneath
the contact spring with the positive ter-
minal facing upwards. Use a lint-free
cloth to do so.
왘
Push the battery tray back into the key
housing until the battery tray engages.
i
When inserting the batteries, make sure that
they are clean and lint-free.
왘
Check the function of all buttons on the
key on the vehicle.
You need two 12 V pin batteries.
1
Batteries
2
Battery cover
왘
Slide off battery cover
2
.
왘
Remove old batteries
1
.
왘
Insert the new batteries. Observe the
plus and minus signs in the remote
control housing when doing so.
왘
Slide the battery cover back onto the
remote control.
i
When inserting the batteries, make sure that
they are clean and lint-free.
왘
Check the auxiliary heating functions
by using the remote control on the ve-
hicle.
P80.35-2200-31
Auxiliary heating remote control*