Mercedes-Benz SLS AMG Owner's Manual page 60

Problems with the key
Problem
You cannot lock or
unlock the vehicle
using the key.
You have lost a key.
You have lost the emer-
gency key element.
The engine cannot be
started using KEYLESS-
GO. The key is in the
vehicle.
The engine cannot be
started using the key.
Possible causes/consequences and M Solutions
The key battery is discharged or nearly discharged.
Point the tip of the key at the driver's door handle from close
X
range and try to unlock or lock the vehicle again.
If this does not work:
Unlock the vehicle using the emergency key element
X
( page 55).
Y
Check the key battery and replace it if necessary (
X
The key is faulty.
Lock or unlock the vehicle using the emergency key element
X
( page 55).
Y
Have the key checked at a qualified specialist workshop.
X
Have the key cancelled at a Mercedes-Benz Service Centre.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
X
Report the loss immediately to the vehicle insurers.
X
If necessary, have the locks changed as well.
X
A door is open. Therefore, the key cannot be detected as easily.
Close the door and try to start the vehicle again.
X
There is interference from a powerful source of radio waves.
Start your vehicle with the key in the ignition lock.
X
The on-board voltage is too low.
Switch off non-essential consumers, e.g. seat heating or interior
X
lighting, and try to start the engine again.
Remove the key and reinsert it into the ignition lock.
X
Start the engine within 30 seconds of inserting the key in the
X
ignition lock.
Repeat if necessary.
X
If this does not work:
Check the starter battery and charge it if necessary
X
( page 213).
Y
or
Jump-start the vehicle (
X
or
Consult a qualified specialist workshop.
X
page 217).
Y
Key
57
page 56).
Y
Z