Mercedes-Benz Metris Operator's Manual page 264

262 Display messages and warning and indicator lamps
262
Display messag Displa y messages es
Park Assist Canceled
Park Assist Inoperative
Lane Keeping Assist
Inoperative
Lane Keeping Assist Cur-
rently Unavail. See Oper.
Manual
Possible causes/conseq P ossible causes/consequences and uences and
The following causes are possible:
You have coupled up a trailer.
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The sensors in the rear bumper are dirty.
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The function is impaired due to heavy rain or snow.
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The radar sensor system is temporarily non-operational, e.g. due
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to electromagnetic radiation close to TV or radio transmitting sta-
tions or other sources of radiation.
The system is outside the operating temperature range.
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If the causes mentioned above no longer apply, the display message
will disappear and Lane Keeping Assist will be operational again.
If the display message does not disappear:
Stop in accordance with the tra c conditions.
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Secure the vehicle against rolling away.
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Switch o the vehicle.
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Clean the sensors in the rear bumper (
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Restart the vehicle.
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* An acoustic signal also sounds. The active parking assistance systems
have been canceled and Active Parking Assist will automatically be
aborted. You have touched the steering wheel, for example, or have
driven at too high a speed.
Steer and brake manually.
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Repeat the parking procedure if necessary. Comply with the deac-
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tivation conditions (
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* PARKTRONIC is malfunctioning or malfunctioning.
Comply with the instructions and aids in "Function of
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PARKTRONIC"( page 119).
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If the display message continues to be displayed, consult a quali-
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ed specialist workshop:
* Active Parking Assist is not available or is malfunctioning.
Switch o the vehicle, wait a short while, then switch it on again.
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If the display message continues to be displayed, or if the display does
not show the j symbol:
Consult a quali ed specialist workshop.
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* Lane Keeping Assist is malfunctioning.
Consult a quali ed specialist workshop.
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* Lane Keeping Assist has been switched o and is temporarily non-
operational.
The following causes are possible:
The windshield is dirty in the camera's eld of vision.
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Visibility is impaired due to heavy rain, snow or fog.
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M M Solutions Solutions
page 182).
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page 122).