The Mercedes DAS system mainly works around the EIS so any
malfunction or fault may cause the system to not work .
The EIS hold vital key data and links to the ECU and ESL
and also acts as a central gateway to other vehicle
electronics meaning EIS and key faults could seem to
cause other system faults .
EZS / EIS electronic ignition switch faults
Many EZS/EIS can be easily fixed , with replacement parts or service
exchange unit - if a unit cannot be repaired or replaced we can
supply a new unit which is fully plug and play requiring no other
Replaced EZS / EIS
Also we can work with your data no need more EZS/EIS to gain
time & not spend a lot of money for you with shipping please use our
E-mail firstname.lastname@example.org to send new unit with
fully plug and play requiring no other programing .