Mercedes W203 Coupe Cannot start, no ignition

[Tawe]

Hi. I have problem with 2002 Mercedes W203 Coupe C220 CDI.


When I put key in, nothing happens. So no ignition, also remote not working.


I made diagnostics with Autel, I can enter in EZS, ESL, rear sam, but no fault codes. There are 12v on modules.
Key is recognized when I put in the barrel, in live data in rear sam, radio signal from remote is shown, but won't lock unlock.


I don't have communication with Engine ECU, probably because don't have ignition on.


Can-Bus test shows: Stable


Some parameters from EZS in live data:
- Drive authorization: No
- EZS (EIS) start enable: No
- ME Motor Electronics start enable: No


Also any output circuit 15 is: OFF


Any advice?

[mercis]

have you 2. key?
check esl,power 12v have fuse on front sam
open eis,check microswitch

[dij16]

When you put key in ignition does ELV works?, That could be a problem, one ing phase has sent, but other terminals get power when elv unlock the steering column, and then you can turn on ingition

[Tawe]

Thanks to all, problem is solved.


Key was faulty (chinese), and also ESL was "sticking" very often.
New original key programmed and changed ESL :)