change key battery MERCEDES-BENZ E CLASS 2019 Owners Manual

ProblemPossible causes/consequences andPPSolutions
RThe SmartKeyis defective.
Checkthe battery usingthe batterycheck lamp andreplace if necessary (→page64).
Usethe emergencykeytolock or unlock (→page64).
Havethe SmartKeychecked at aqualified specialistworkshop.
You havelost a SmartKey.Havethe SmartKeydeactivated at aqualified specialistworkshop.
If necessary,havethe mechanical lockchanged aswell.
66Opening and closing

Display messagesPossible causes/consequences andPPSolutions
Á
Replace Key Battery
*The SmartKeybattery is discharged.
Replacethe battery (→page64).
Á
Place the Key in theMarked Space See Opera-tor's Manual
*The SmartKeydetection function is malfunctioning.
Changethe location ofthe SmartKeyinthevehicle.
Startthevehicle withthe SmartKeyinthe marked space (→page139).
Á
Don't Forget Your Key
*Awarningtone will also sound. This messageremindsyoutotakeyour SmartKeywithyou whenyou leavethevehicle.
466Display messages andwarning/indicator lamps