Mercedes-Benz EQS 2021 Owner's Manual page 440

Display messages
PRE-SAFE inoperative See
Owner's Manual
PRE-SAFE impulse side
inoperative See Owner's
Manual
Key
Display messages
Á
Replace key
Á
Change key batteries
Possible causes/consequences and
* The PRE‑SAFE ®
functions are malfunctioning.
Consult a qualified specialist workshop.
#
* The PRE‑SAFE
® Impulse Side system is malfunctioning or inoperative after having already been triggered.
Consult a qualified specialist workshop.
#
Possible causes/consequences and
* Have the key replaced.
Consult a qualified specialist workshop.
#
* The key battery is discharged.
Replace the battery (
/
#
M M Solutions
M M Solutions
page 82).
Display messages and warning/indicator lamps 437