This is a NEW Virgin Un-programmed Keyless go key that covers w164 -251 - w221 vehicle types from 2005-2008.
08 Keyless Go/Proxy Function
Read, Write, and Erase through the IR ( No need to remove board or chip )
Includes an Uncut HU64 Emergency key
Battery type CR2025
4 Button configuration Unlock, Lock, Trunk, Panic
Can be programmed using the Diagspeed MB OBD2
ALSO INCLUDES INSTRUCTION PAGE FOR PROGRAMMING AND TROUBLESHOOTING