I have a 2009 w164 with 1 problem that it doesn't log miles(odo) and speedometer doesn't function, instrument cluster and abs report no faults,wheel speeds read correctly in abs and speedo can be actuated with diagnostic tool,3 modules showing dtc,s in relation to this fault are rear sam,c30e,no vehicle speed on can, assyst 9203,not receiving any messages on interior can and parktronic, 9066,implausible can message from instrument cluster vehicle speed, I have checked front and rear sam units for water ingress and tried a different unit from a donor car, replaced cgw module under passenger seat,checked can connections in driver and passenger footwells but still haven't solved this problem, any help would be much appreciated
Thanks.

Sent from my SM-G950F using Tapatalk