Mercedes Benz S 550 4MATIC Technical Problem #LI27-19_P-049155 Date: 100329 A/T - Various Functions Not Activated After EHS Replaced Poor shift quality

Mercedes Benz S 550 4MATIC  Technical Problem #LI27-19_P-049155 Date: 100329
A/T - Various Functions Not Activated After EHS Replaced
Poor shift quality
Topic number LI27.19-P-049155
Version 1
Design group 27.19 Transmission - electrical system
Date 03-29-2010
Validity TRANSMISSION 722.9 in MODEL 204.022 /052 /054 / 056 /077 /081 /085 /087 /089 /222 /252 /254 /256 /277 / 981 /983 /987 TRANSMISSION 722.9 in MODEL 216.371 /377 /386 up to 1.7.08
TRANSMISSION 722.9 in MODEL 221.022 /028 /054 / 056 /070 /071 /077 /080 /084 /086 /087 /122 /128 /154 / 156 /170 /171 Reason for change
Reason for block
Complaint:
After replacement and initial startup of one of the new/replaced EHS part numbers in the models specified above, the Distronic, Hold, Hill-Start
Assist, cruise control and variable speed limiter functions cannot be activated.
The problem can affect only the specified models up to production date July 1, 2008 with the new/replaced EHS part numbers listed below:
Check the EHS part number installed in the vehicle/transmission in each individual case
Old EHS no. New EHS no.
A 220 270 13 06 replaced by A 220 270 27 06
A 220 270 15 06 replaced by A 220 270 28 06
A 220 270 18 06 replaced by A 220 270 31 06
A 220 270 19 06 replaced by A 220 270 32 06
A 220 270 21 06 replaced by A 220 270 29 06
A 220 270 22 06 replaced by A 220 270 32 06
Cause:
Software which is not optimized.
Remedy:
Flash affected vehicles with add-on 1375 DVD 01/2010.
2010 Mercedes Benz S 550 4MATIC (221.186) V8-5.5L (273.968)    Page 289
Symptoms
Work units
WIS-References
2010 Mercedes Benz S 550 4MATIC (221.186) V8-5.5L (273.968)    Page 290
Validity