2018 MERCEDES-BENZ S-CLASS COUPE change key battery

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MERCEDES-BENZ S-CLASS COUPE 2018  Owners Manual ProblemPossible causes/consequences and MSolutions
RThe SmartKeyis defective.
#Check the battery using the battery check lamp and replace if necessar y.
#Usethe mechanical keyto lock or unloc k.
#Have

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MERCEDES-BENZ S-CLASS COUPE 2018  Owners Manual SmartKey
Displaymessages
Possible causes/consequences and MSolutions
Â
Obtain a New Key*T
he SmartK eyneeds tobe replaced.
#Visit a qualified specialist workshop.
Â
Replace Key Battery *T
he SmartK