Mercedes-Benz E-Class Coupe 2021 Operator's Manual page 141

Make sure that there are no objects covering the
air inlet grille on the back of the head restraints.
You can adjust the blower setting of AIR‐
#
SCARF vents 1 using the AIRSCARF button
( page 99).
/
You can adjust the height of AIRSCARF vents
#
1 and the current of air by adjusting the
height of the head restraints (
/
page 93).
Climate control 139