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Engine, On-board computer and displays, Display messages – Mercedes-Benz E-Sedan 2012 Owners Manual User Manual

Page 247

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Display messages

Possible causes/consequences and M Solutions

b

Malfunction See

Operator's Manual

The exterior lighting is defective.

X

Visit a qualified specialist workshop.

b

AUTO Lamp Function

Inoperative

The light sensor is defective.

X

Visit a qualified specialist workshop.

b

Switch Off Lights

The lights are still switched on when you leave the vehicle. A
warning tone also sounds.

X

Turn the light switch to c or Ã.

Adaptive Highbeam

Assist Inoperative

Adaptive Highbeam Assist is defective.

X

Visit a qualified specialist workshop.

Adaptive Highbeam

Assist Currently

Unavailable See

Operator's Manual

Adaptive Highbeam Assist is deactivated and temporarily
inoperative, if:

R

the windshield is dirty in the camera's field of vision.

R

visibility is impaired due to heavy rain, snow or fog.

X

Clean the windshield.

Adaptive Highbeam Assist is available again, if:

R

the dirt (e.g. slush) drops away while the vehicle is in motion.

R

the system recognizes that the camera is fully operational again.

The display message

Adaptive Highbeam Assist Now

Available

is shown.

Engine

Display messages

Possible causes/consequences and M Solutions

+

Check Coolant

Level See

Operator's Manual

The coolant level is too low.

X

Add coolant, observing the warning notes when doing so
(

Y

page 311).

X

If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.

G

WARNING

Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.

Display messages

245

On-board computer and displays

Z