[Mercbenz58]

Hi all have a customer car, battery went flat. if you leave battery diconnected and then connect with key in ignition it will start you have to turn of put key back in and its starts. soon as you take key out. put key in it will turn engine over but wont fire if you play with battery plus terminal clicking it till immo light on dash goes of it will start again. anyone know best way to redo key or is it best to get a locksmith and not have headache once done car is being sold for guy.

Thanks for any help with this was going to buy key coder.  can someone recommend something. Thank you

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forgot to mention codes P`1610 nats malfunction p1611 p0605 ecm

[raffy haddad]

What tools do you have ? Launch x431 should do Try to reprogram key and test
Regarfs