Xhorse Proximity Smart Key 315 / 433 MHz for Mercedes IR FBS3 Systems (PCB + SHELL)

Xhorse Proximity Smart Key PCB 315 / 433 MHz for Mercedes IR FBS3 SystemsIncludes: Mercedes FBS3 Proximity PCB - 1 pcs Shell - 1 pcs This PCB works as a replacement for Mercedes IR Prox Keys in E Class, C Class, S Class, ML Series, and GL Series with the EIS Modules listed below from 2009 to 2015 as long as they are FSB3 Systems and do not have the Push To Start Button on the vehicle's Shift Lever.  If the vehicle you are working with has the Push To Start Button on the Shift Lever, there is not currently a replacement Prox Key available for these vehicles. This PCB Supports Manual Starting, Keyless Entry, and PTS (Push To Start) Functions The PCB works with FBS3 Systems using these EIS Modules: W204, W207, W212, W164, W166, W221 315 Mhz and 433 MHz Frequency Compatibility (Set In VVDI MB Software Or By Component Change) A working battery is not required for IR Key Information writing PLEASE NOTE: shell comes separately from PCB, assembly will be required By default, the remote tr