Mercedes-Benz 2011 G-Class Operator's Manual page 184

Display messages
182
Display messages
©
TC Shift Procedure
Canceled
©
TC Shift
Conditions Not
Fulfilled
©
TC In Neutral
©
Transfer Case
Service Required
G
Warning!
If the transfer case is in Neutral, the park position P of the automatic transmission will not hold
the vehicle. The parking brake must be engaged to hold the vehicle in place.
Possible causes/consequences and M Solutions
The gear change process was not carried out.
X
Repeat the gearshift process.
One or more conditions to shift the transfer case have not been
fulfilled.
X
Repeat the gearshift process.
The transfer case is in the neutral position.
X
Shifting the transfer case into HIGH or LOW.
There is a malfunction in the transfer case.
X
Do not shift the transfer case.
X
Have the vehicle checked as soon as possible at a qualified
specialist workshop.