Mercedes-Benz Sprinter 2018 Operating Instructions Manual page 391

Engine
Warning/indicator
lamp
?
Coolant warning lamp
#
Electrical fault warning
lamp
æ
Fuel reserve warning
lamp
Display messages and warning and indicator lamps 389
Possible causes/consequences and
The red coolant warning lamp lights up while the engine is running.
Possible causes:
temperature sensor malfunctioning
R
coolant level too low
R
air supply to the engine radiator obstructed
R
engine radiator fan faulty
R
If a warning tone also sounds, the coolant has exceeded the tempera‐
ture of 120 °C.
& WARNING Danger of burns when opening the bonnet
If you open the engine bonnet when the engine has overheated or
during a fire in the engine compartment, you could come into con‐
tact with hot gases or other escaping operating fluids.
Before opening the bonnet, allow the engine to cool down.
#
In the event of a fire in the engine compartment, keep the
#
engine bonnet closed and call the fire service.
Stop immediately in accordance with the traffic conditions and
#
switch off the engine. Do not continue driving!
Observe the messages on the multifunction display.
#
If the coolant temperature display is at the lower end of the tempera‐
ture scale:
Consult a qualified specialist workshop.
#
Otherwise:
Leave the vehicle and keep a safe distance from the vehicle until the
#
engine has cooled down.
Check the coolant level(
#
Ensure that the air supply to the engine radiator is not obstructed.
#
Without subjecting the engine to excessive strain, continue to the
#
nearest qualified specialist workshop. Ensure that the coolant tem‐
perature display remains below 120 °C.
The electrical fault red warning lamp lights up.
A malfunction has occurred in the electrics.
Read the messages on the multifunction display.
#
The fuel reserve yellow warning lamp lights up while the engine is on.
The fuel supplies have reached the reserve level.
Refuel.
#
Solutions
M
page 283).
/