Body - Meow/Whistle Noise After Retracting/Extending Mirrors
Noises after retracting/extending the outside mirror (meow noises)
Topic number LI88.70-P-050228
Version 2
Design group 88.70 Exterior mirrors
Date 12-21-2012
Validity Model series 204 with code 500
Mercedes-Benz A220 2020 Page 432
Model series 207 with code 249
Model series 212 with code 249
Model series 218.3 with code 249
Model series 172 up to VIN end no. F 051 659
Reason for change
Complaint:
The electric folding outside mirror makes noises (whistling noise / meow noise) after reaching the end position.
Cause:
Electric motor continues to be energized after reaching end position.
This can cause audible vibrations in the folding motor (whistling/meow noise)
Remedy:
Retrofitting of a stall current module in the problem mirror:
Note:
Figure 2 shows the stall current module already installed in the cable set of the outside mirror
^ Remove service flap in door lining
^ Unplug connector of outside mirror from door control unit
^ Unlock connector (A) using a screwdriver (1) and pull off white cover (B) (2) => see Figure 1
^ Connections to be made => see Figure 1
^ Unpin pin 4 of connector (A) and connect to slot 2 of the enclosed coupling (C)
^ Unpin pin 5 of connector (A) and connect to slot 1 of the enclosed coupling (C)
^ Connect blue cable of stall current module (D) to slot 4 of connector (A)
^ Connect white/blue cable of stall current module (D) to slot 5 of connector (A)
^ Connect coupling (C) with connector (E) of stall current module (D) and fit white cover (B) on connector (A)
^ Finished assembly, see Figure 2
^ Reconnect the connectors to the door control unit
^ Secure stall current module (D) with adhesive tape or a cable tie to prevent noise
^ Perform function test and then install service flap
Attachments
Symptoms
Mercedes-Benz A220 2020 Page 433
Parts
WIS-References
Mercedes-Benz A220 2020 Page 434
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