Mercedes-Benz GLK 300 4MATIC 2012, Owner'S Manual

Page: 295 / 381

Problem Possible causes/consequences and M M Solutions
8
The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning.
The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level
drops into the reserve range.
X
Refuel at the nearest filling station.
?
The red coolant warn-
ing lamp lights up while
the engine is running
and the coolant tem-
perature gauge is at the
start of the scale.
The temperature sensor for the coolant temperature gauge is
faulty.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X
Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine. Do not continue driving
under any circumstances.
X
Secure the vehicle against rolling away (
Y
page 164).
X
Consult a qualified specialist workshop.
292
Warning and indicator lamps in the instrument cluster
On-board
computer
and
displays