Problem in the Mercedes C 200 key not work

[almagssbe]

Hello guys
i have problem with EIS not work 2 keys small with nec
i chk keys with AK400 is ok
remot work 100/100
but not work with eis
i read eprum and flash with R270
PLS HELP ME
were the problem repair mcu or add new keys
pls help genertar keys

[smayer]

If ezs have 2J74Y mcu try heat both mcu and see result in bench.

[MOHCIN2]

you have first to test with another key or reprogram yours to see if the problem is in the key the most commun problem is in the keys i have assist in a lot of problem that the problem was just in the key or in the esl so test by a virgin esl and make new program in your key extract the file eeprom from ezs generate keys put new program in your key or a new keys to see thanks

[almagssbe]

If ezs have 2J74Y mcu try heat both mcu and see result in bench.

thanks
mcu
1J35D

[almagssbe]

you have first to test with another key or reprogram yours to see if the problem is in the key the most commun problem is in the keys i have assist in a lot of problem that the problem was just in the key or in the esl so test by a virgin esl and make new program in your key extract the file eeprom from ezs generate keys put new program in your key or a new keys to see thanks

thanks
ok, help me new key and virgin esl

[smayer]

thanks
mcu
1J35D

Connect ezs in bench just 2 wires gnd and +12, check mA without and with key inserted.

[almagssbe]

you have first to test with another key or reprogram yours to see if the problem is in the key the most commun problem is in the keys i have assist in a lot of problem that the problem was just in the key or in the esl so test by a virgin esl and make new program in your key extract the file eeprom from ezs generate keys put new program in your key or a new keys to see thanks

i make new key , same problem
read ESL with ak400 ok read mcu 0G72G
i have virgin file but after write with ak400 not write read ok ,
i have usb-upa and r270, xprog-m
pls help me how to write mcu

[almagssbe]

i need help pls

[almagssbe]

hi
after make 3 keys, ok open car and closd
but , now After you place the key to EIS ,I hear the voice of ESL (( TK TK TK TK ))
What is problem now????
pls help me

[WISETIGER]

Your esl has a mechanical fault.
The steering lock is not retracting correctly. That's why key not turning.
What you can do is insert the key first and then hit the esl with a hammer to unlock it
Tested few times...