i've replaced air pump front struts and relay i,m not getting power to pump. ple on 2001 Mercedes-Benz S430

i had it towed to the deaier and they said bad pump brought it home got new pump and relay still nothing.fuses under hood are good any ideas

Asked by for the 2001 Mercedes-Benz S430
check for power and ground at the pump
No power there what runs the whole system is there a control module