1997-2014 Mercedes Benz / 4-Button Fobik Key / IYZ-3312 / 315 MHz (Double Battery) (AFTERMARKET)Brand New Aftermarket Replacement For: FCC ID: IYZ 3312 CAN: 2701 103 2302 Frequency: 315 MHz This model uses 2 Batteries: CR2025 Button: Lock, Unlock, Trunk, Panic Replacement for PN: 5WK47283, 20490562029999, 20490511049999 Aftermarket Emergency Key Included: EKB MB 005 Test Key: ST HU64 NEC BGA Note: This is the same key as the RSK MDS 3312 but with 2 batteries. Compatible with the following: 1997 2014 Mercedes ALL Note: This is the same key as the