Mercedes-Benz SLS-Class 2014 Owners Manual - Manual (Page 69)

Problem Possible causes/consequences and M M Solutions
The engine cannot be
started using the
SmartKey.
The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
X
Remove the SmartKey and reinsert it into the ignition lock.
X Start the engine within 30 seconds of inserting the SmartKey
into the ignition lock.
X Repeat if necessary.
If this does not work:
X Check the starter battery and charge it if necessary
(
Y
page 236).
or
X Jump-start the vehicle (
Y
page 240).
or
X Consult a qualified specialist workshop.
The SmartKey cannot
be turned in the ignition
lock.
The SmartKey has been in position 0 for a considerable time.
X Remove the SmartKey and reinsert it into the ignition lock.
X
Check the starter battery and charge it if necessary
(
Y
page 236).
X Start the engine.
The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to turn the SmartKey again.
If this does not work:
X Check the starter battery and charge it if necessary
(
Y
page 236).
or
X Jump-start the vehicle (
Y
page 240).
or
X Consult a qualified specialist workshop.
SmartKey
67
Opening
and
closing
Z