Mercedes-Benz S-Class 2019 Operator's Manual page 535

Warning/indicator lamp
Tires
Warning/indicator lamp
h
Tire pressure monitoring
system warning lamp lights
up
Possible causes/consequences and
or
Exit the vehicle and keep a safe distance from it until the engine has cooled down.
#
Check the coolant level (
→
#
Make sure that the air supply to the radiator is not obstructed.
#
Avoiding high loads on the engine, drive to the nearest qualified specialist workshop. In doing so, ensure that the
#
coolant temperature display remains below the red area.
Possible causes/consequences and
The yellow tire pressure monitoring system warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring system has detected tire pressure loss in at least one of the tires.
& WARNING Risk of an accident due to insufficient tire pressure
Tire pressures that are too low pose the following hazards:
The tires may burst, especially as the load and vehicle speed increase.
R
The tires may wear excessively and/or unevenly, which may greatly impair tire traction.
R
The driving characteristics, as well as steering and braking, may be greatly impaired.
R
You could then lose control of the vehicle.
M M Solutions
page 401).
M M Solutions
Display messages and warning/indicator lamps 533