Mercedes-Benz S-Class 2020, Owner'S Manual

Page: 198 / 621

do not use the key and keep it away
from children.
#
If batteries are swallowed, seek medical
attention immediately.
+
ENVIRONMENTAL NOTE Environmental
damage due to improper disposal of bat‐
teries
Batteries contain toxic and corro‐
sive substances.
#
Take discharged batteries to a
qualified specialist workshop or to a
collection point for used batteries.
Requirements:
R
One CR2450 lithium battery
#
Push a pointed object into recess 1 .
#
Slide battery cover 2 backwards in the
direction of the arrow.
#
Insert new battery 3 with the lettering
facing upwards.
#
Slide battery cover 2 in the opposite direc‐
tion to the arrow onto the remote control
until the battery cover engages.
Problems with the remote control for the
stationary heater/ventilation
FAIL
¨ ¨ appears on the remote control dis‐
play
Possible cause:
R
The signal transmission between the trans‐
mitter and the receiver is malfunctioning.
#
Change your position in relation to the vehi‐
cle, moving closer if necessary.
FAIL appears on the remote control display
Possible cause:
R
The starter battery is not sufficiently
charged.
#
Charge the starter battery.
Possible cause:
R
The outside temperature is higher than
15 °C.
#
Use the stationary heater only if the outside
temperature is below 15 °C.
Climate control 195