w140 s500 need irf key not work

[ana_11]

Hello

i have key irf on das2 no transponder. how synchonized
or meaby full dump to key and immo box ??
Car is no start.

please help.

[lashkar97]

w140 which model

[ana_11]

CL500 96y
Ecu vdo hc11e9
and immo