Mercedes-Benz FBS3 and FBS4 keys are not interchangeable, so identifying the correct key type matters before working on the vehicle. The latest KEYDIY KD-X4 and KD-X6 software update adds a Mercedes key chip identification function designed to help distinguish FBS3 and FBS4 key types.
In this video, we look at how the new KEYDIY update handles Mercedes-Benz FBS3 and FBS4 key identification, what the feature is designed to solve, and why correct key type identification can make the key programming workflow easier.
If you work with Mercedes-Benz keys, immobilizer systems, automotive locksmith tools, or key programming equipment, this update is worth knowing about.
#MercedesBenz #MercedesKey #FBS3 #FBS4 #KEYDIY #KDX4 #KDX6 #KeyProgramming #CarKeyProgramming #AutoLocksmith #AutomotiveDiagnostics #Immobilizer #CarKeys
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