Warning Lamp - Mercedes-Benz 2015 M-Class Operator's Manual

Warning and indicator lamps in the instrument cluster
318
Display messages
Â
Key Not Detected Key Not Detected
(white display mes-
sage)
Â
Remove 'Start' Remove 'Start' But‐
ton and Insert Key ton and Insert Key
Warning and indicator lamps in the instrument cluster
Safety
Seat belts
Problem
ü
After starting the
engine, the red seat
belt warning lamp lights
up for 6 seconds.
ü
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a warn-
ing tone sounds for up
to 6 seconds.
Possible causes/consequences and M M Solutions
The KEYLESS-GO key is not detected while the engine is running
because there is interference from a strong source of radio waves.
A warning tone also sounds.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Secure the vehicle against rolling away (
X
Operate the vehicle with the SmartKey in the ignition lock.
X
The KEYLESS-GO key cannot be detected at present.
Change the location of the SmartKey with the KEYLESS-GO
X
functions in the vehicle.
If the KEYLESS-GO key is still not detected:
Operate the vehicle with the SmartKey in the ignition lock.
X
KEYLESS-GO is temporarily malfunctioning or is defective. A warn-
ing tone also sounds.
But‐
Insert the SmartKey into the ignition lock and turn it to the
X
desired position.
Visit a qualified specialist workshop.
X
Possible causes/consequences and M M Solutions
The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts.
Fasten your seat belt (
X
The driver's seat belt is not fastened.
Fasten your seat belt (
X
The warning tone ceases.
page 182).
Y
page 48).
Y
page 48).
Y