Display messages
Possible causes/consequences and
M
M
Solutions
Adaptive Highbeam
Adaptive Highbeam
Assist Currently
Assist Currently
Unavailable See
Unavailable See
Operator's Manual
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily inopera-
tive.
Possible causes are:
R
The windshield in the camera's field of vision is dirty.
R
Visibility is impaired due to heavy rain, snow or fog.
X
Clean the windshield.
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Now Available
Adaptive Highbeam Assist Now Available
message is dis-
played.
Adaptive Highbeam Assist is operational again.
Adaptive Highbeam
Adaptive Highbeam
Assist Inoperative
Assist Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Engine
Display messages
Possible causes/consequences and
M
M
Solutions
?
Check Coolant
Check Coolant
Level See Opera‐
Level See Opera‐
tor's Manual
tor's Manual
The coolant level is too low.
!
Avoid longer journeys when there is insufficient coolant in the
engine cooling system. You could otherwise damage the engine.
X
Add coolant, observing the warning notes before doing so
(
Y
page 267).
X
If you need to add coolant more often than usual, have the engine
coolant system checked at a qualified specialist workshop.
?
The fan motor is defective.
X
If the coolant temperature gage is below the H marking
(
Y
page 191), drive on to the next qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-and-go traffic.
218
Display messages
On
-b
oar
d
comp
ut
er
an
d
di
sp
lay
s
Summary of Contents for SL 450 2019
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