Mercedes-Benz B-Class, Owner'S Manual

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Displa Display messag y messages P es Possible causes/conseq ossible causes/consequences and uences and M M Solutions Solutions
Device detected at diagnos-
tics connection See Own-
er's Manual
* The vehicle functions for fault detection are restricted.
At least one of the main functions of the Mercedes me connect system is malfunctioning.
#
Observe the notes on the diagnostics connection (
/
page 38).
#
Consult a quali ed specialist workshop.
Batt Battery ery
Displa Display messag y messages P es Possible causes/conseq ossible causes/consequences and uences and M M Solutions Solutions
#
12 V battery See Owner's
Manual
* The vehicle is o and the state of charge of the 12 V battery is too low.
#
Switch o electrical consumers that are not required.
#
Drive for 30–60 minutes.
or
#
Charge the 12 V battery when stationary (
/
page 363).
* If the message appears while the vehicle is switched on, this indicates an on-board electrical system malfunction.
#
Consult a quali ed specialist workshop.
#
See Owner's Manual
* The 12 V battery is not being charged.
Display messages and warning/indicator lamps 467 467