CAN low problem

Mercedes » CLK-Class » 1998-2003
Question

CLK 200 W208

the key fob don't turn and  launch code reader shows error below

-B1156-400 control module discontinuity ,short circuit to ground

-B1156-005 control.......................................................... ground

-B1024 CAN low dataline discontinuity,short circuit to positive,short circiut to ground

-B1058 fault in CAN communication withTSG3 N69/3

-B1058 fault in CAN communication with:UBF N72

-B1053......................................................TSG3 N69/3

-B1056.......................................................TSG4 N69/4

thanks for your help