Mercedes-Benz Sprinter Operator's Manual page 207

Display messages
Blind_Err Blind_Err
Err Err
Possible causes/consequences and M M Solutions
flashes for 5 seconds, the yellow indicator lamps flash in the exte-
rior mirrors and then lights up constantly.
Blind Spot Assist is faulty.
Visit a qualified specialist workshop.
X
flashes for 5 seconds, the Ä indicator lamp also flashes and
then lights up constantly.
Collision Prevention Assist is malfunctioning.
Visit a qualified specialist workshop.
X
Display messages
205
Z