Mercedes Smart Car Key Fob Battery Replacement - EASY DIY

2032 Battery you need - https://amzn.to/4mNyjcn Here is a quick little video on how to replace a dead battery in your Mercedes Benz Smart Car. Hope it was helpful! BRAND(S): SMART CAR PART NUMBER: CWTWB1G767 MODEL: TWB1G767 Car Remote Key Chip PCF7961 Renault Remote Key 3 Button CWTWB1G767