Display Malfunction Visit workshop" message with no other errors... - MBWorld.org Forums
Battery Visit Workshop! How to check and fix this error on a Mercedes W211 - YouTube
I've been getting this message when I turn the AC (occasionally), when I don't turn on the AC it doesn't appear. Checked the the alternator voltage and its fine. Could it be
Mercedes-Benz Service Brake - Visit Workshop Warning Explained
Mercedes W211. Battery was discharged after a month of downtime in the cold / Dead battery W211 - YouTube