CL 550 (216.371) V8-5.5L (273.961) (2008)
Instrument Panel Control Module: All Technical Service Bulletins
Instruments - Beep From Instrument Cluster
Instrument cluster: Beep tone when unlocking the vehicle or switching on the ignition
Topic number
LI54.30-P-047910
Version
2
Design group
54.30 Instrument cluster/display instruments/warning devices
Date
01-15-2010
Validity
Models 216, 221 up to model year 2008 (code 808)
Reason for change
Remedy revised
Reason for block
Complaint:
After a software update or after replacement of the instrument cluster (A1), a single beep tone may be heard from the instrument cluster (A1) when the
vehicle is unlocked and when the ignition is switched on.
Cause:
Communication error in new instrument cluster (A1) software.
Remedy:
As of DAS/Xentry Diagnostics 01/2010 the correct software is installed during initial startup of the instrument cluster (A1).
Do not remove/install/replace any parts.
Symptoms
Validity