MERCEDES-BENZ EQS SALOON 2022 Owners Manual

Display messages
Possible causes/consequences and P Solutions
Adaptive Highbeam Assist
Plus inoperative * Adaptive Highbeam Assist Plus is malfunctioning. 
Drive on
or 
Stop the vehicle in accordance with the tr aPc conditions and restart the vehicle. 
If the display message does not disappear: consult a q ualiNed specialist workshop. 
Until then, operate the high beam manually.
Hazard warning lamp sys-
tem Malfunction * The hazard warning lamp switch is malfunctioning. 
Consult a q
ualiNed specialist workshop.Climate control
Display messages
Possible causes/consequences and P Solutions
;
Currently unavailable High-
voltage battery charging
incomplete. * The high-voltage battery is charging. Pre-entry climate control cannot be switched on. 
Wait until the charging process has achieved a minimum charge. 468
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
;
Currently unavailable
Charge high-voltage battery * The charge of the high-voltage battery is too low. Pre-entry climate control cannot be switched on. 
Charge the high-voltage battery ( pag e 211).
;
Pre-entry climate control
via key available again
after starting vehicle * You have attempted to switch on pre-entry climate control more than three times with the vehicle switched
oM.
Start the vehicle for ten seconds.
Pr
e-entry climate control is operational again.
; Pre-entry climate control
via key currently unavaila-
ble. High-voltage battery
low * The charge of the high-voltage battery is too low. Pre-entry climate control cannot be switched on. 
Charge the high-voltage battery ( pag
e 211).
When the high-voltage battery is suPciently charged, pre-entry climate control will be operational again. Display messages and warning/indicator lamps
469

Drive system
Display messages
Possible causes/consequences and P Solutions
u
Towing not permitted See
Owner's Manual * The drive system is malfunctioning. 
Have the vehicle transported only using a transporter or trailer ( pag e 421).

Display messages
Possible causes/consequences and P Solutions 
Aser waiting for a short time, unlock the vehicle and start it again. 
If the display message appears again and the vehicle does not start, consult a q
ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions 
Wait until the drive system has cooled down. 
Make sure that the air supply to the vehicle radiator is not obstructed. 
Avoiding high loads on the drive system, drive to the nearest q ualiNed specialist workshop.

Display messages
Possible causes/consequences and P Solutions

Display messages
Possible causes/consequences and P Solutions
AC charging inoperative
Consult workshop * The charging process cannot be started due to a malfunction. 
Consult a qualiNed specialist workshop.
DC charging inoperative
Consult workshop * The charging process cannot be started due to a malfunction. 
Consult a q
ualiNed specialist workshop.
Reduced drive system per-
formance See Owner's
Manual * The drive system is outside the normal operating temperature range, e.g. due to extremely low or high outside temper-
atur
es.
Drive system power output is reduced. The yellow D reduced power output warning lamp is lit.
Once the operating temperature of the drive system returns to normal (e.g. aser a short trip), the full output will be
available again. The display message and the yellow D reduced power output warning lamp will go out.
Drive on carefully.
* The high-voltage battery is not charged suPcientl
y.
Drive system power output is reduced. The yellow D reduced power output warning lamp is lit. 
Drive on carefully. 
Charge the high-voltage battery immediately.
* If the drive system power output is still reduced, there is a fault in the drive system. 
Drive on carefully. 
Consult a q
ualiNed specialist workshop.474
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Please charge the high-volt-
age battery. Otherwise the
vehicle may not start * Due to a possible drop in temperature of the high-voltage battery, the starting ability or the range may drop
signiN-
cantl y until the vehicle is restarted. 
Charge the high-voltage battery ( pag
e 211).
Please wait in READY sta-
tus Warming battery See
Owner's Manual * Operational readiness is established
õ and t
he transmission position j is engaged.
The high-voltage battery is warmed up to the operating temperature. This process can take a few minutes and may be
prolonged if defrosting of the windscreen d is activated.
The heating process ends when transmission position h is engaged. However, when driving, the output is signiNcantly
limited until the high-voltage battery has reached its operating temperature.
Preparing drive system

Display messages
Possible causes/consequences and P Solutions
Û
Battery overheated Stop,
everybody out! Outdoors if
possible * The high-voltage battery has overheated. There is a risk of
Nre.
Stop the vehicle immediately in accordance with the tr
aPc conditions. 
If possible, stop the vehicle in the open air and ensure that all vehicle occupants get out.
% Supporting vehicle functions may activate automatically, e.g. the air-recirculation mode as part of climate control. 
Do not continue driving. 
If smoke is present, leave the danger zone and call the Nr
e service immediately.
Consult a q
ualiNed specialist workshop even if there are no external signs of a Nre.
Û
Malfunction * The drive system is malfunctioning. A warning tone will also sound. 
Consult a q
ualiNed specialist workshop.
Û
Malfunction Visit workshop * The drive system is malfunctioning. 
Consult a q
ualiNed specialist workshop.476
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and P Solutions
Û
Have high-voltage system
checked See Owner's Man-
ual * A function restriction has occurred in the drive system. 
Consult a qualiNed specialist workshop.
Consult workshop without
starting the vehicle again * It is not possible to restart the drive system due to a malfunction. 
Do not switch oM t
he drive system; drive on to the nearest qualiNed specialist workshop.
Û Output and range reduced
See Owner's Manual * A malfunction has occurred in the high-voltage battery.
Output and r
ange will be severely restricted. 
Switch the vehicle oM and loc
k it. 
Aser w
aiting for a short time, unlock the vehicle and start it again.
If the display message appears again: 
Drive on carefully. 
Fully charge the high-voltage battery ( pag
e 211).
If the output and range are still reduced, there is a malfunction in the drive system. 
Drive on carefully. 
Consult a q
ualiNed specialist workshop. Display messages and warning/indicator lamps
477