This article show a guide on how to use G-Scan2 to perform throttle valve stp learning and resetting the cold start adaptation value for Mercedes Benz S-class 2011.At end of article you can check the procedures by watching viedeo guide.
And for more G-scan2 Test project check here:G-scan2 Test Cases
Procedures:
Connect G-scan2 to your Benz S-class,and enter menu to select “Diagnosis”
Select Benz vehicle model
“ME/CDI/CNG-Enigne control unit”à”S-class”,click “OK” to continue

Select “Special Function”

Scroll down the bar to select “Throttle valve stop learning”

Preconditions:
Ignition ON
Engine stop
Coolant temperature between 5℃(41℉)and 8℃(176℉)
Intake air temperature less than 40℃(104℉)
Acceleration pedal must not be operated
Vehicle stop
No DTC on the Traction system
The engine must be stopped for longer than 1 min
Press [OK] to start

Note:Turn ignition off
Press [OK] to next

Note:Turn ignition on
Press [OK] to next

Note:Complete
Press [OK] to exit

Select “Resetting the cold start adaptation values”

Note:
Ignition ON
Vehicle stop
Engine stop
Selector lever in position P/N
Coolant temperature between 5℃(41℉)and 8℃(176℉)
Acceleration not operated
Press [OK] to exit

The following functions are performed:
The cold start adaption is reset
Press [OK] to start

Note:
Turn ignition off
Press [OK] to next

Note:Turn ignition on
Press [OK] to next

Note:Complete
Press [OK] to exit

Done!
Video Guide: