I have a 2000 ML320 and I'm down to 1 key for the truck. Mercedes dealer tells me there are no "key slots" left so I can't get another key.

I would like to be able to use any key that fits the ignition, without worrying about security chip issues, just like an older car. "Karman Auto Car Electronics Repair" and "Precision ECU" both offer immobilizer delete services which appear to do this. Does anyone here have any experience with either of these companies, or immobilizer delete services by any other companies?


Thanks
Ed