Mercedes-Benz S-Class 2020 Operator's Manual page 117

* NOTE Damage to the seats caused by
objects or documents when the seat
heating is switched on
When the seat heating is switched on, over‐
heating may occur due to objects or docu‐
ments placed on the seats, e.g. seat cush‐
ions or child seats. This could cause damage
to the seat surface.
Make sure that no objects or docu‐
#
ments are on the seats when the seat
heating is switched on.
Requirements:
The power supply is switched on.
R
Seats and stowing 115
To switch on/increase the level: press but‐
#
ton 1 repeatedly until the desired heating
level is set.
Depending on the heating level, up to three
indicator lamps will light up.