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Practical hints
What to do if ...
Display message
ABS
unavailable
See Operator's Manual
Cruise
inoperative
control and
SPEEDTRONIC
Cruise
––– mph
control
436
Possible cause/consequence
®
If the yellow ESP
warning
lamp v flashes while driving and
this message appears, the electron-
ic traction system has switched off
to prevent overheating of the drive
wheel brakes.
The self-diagnosis has not yet been
completed yet.
The cruise control is malfunctioning.
You have attempted to set a
speed while driving below
20 mph (30 km/h).
®
The ESP
is switched off.
The automatic transmission is set to
position P, R, or N.
The vehicle is secured with the
parking brake.
Possible solution
As soon as the brakes have cooled off, the
electronic traction system switches on again.
The message in the multifunction display disap-
®
warning lamp v goes
pears and the ESP
out.
The display will clear after driving a short
distance at a vehicle speed of above
12 mph (20 km/h).
Have cruise control checked by an
authorized Mercedes-Benz Light Truck
Center.
Accelerate to a speed exceeding
20 mph (30 km/h) and set the speed
( page 266).
®
Switch on the ESP
( page 105).
Set the automatic transmission to
position D ( page 197).
Release the parking brake ( page 57).
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