SLK 350 (171.456) V6-3.5L (272.963) (2006)
The right multifunction steering wheel button group (S111) contains the accept/terminate phone call button (S111s3), and the + and - button, setting of
specific functions and volume control (S111s1). A telephone call can be accepted or terminated with the accept/ terminate phone call button (S111s3).
The volume for the system currently active can be adjusted with the + and button, setting of specific functions and volume control (S111s1). In the
System settings menu, settings such as increasing or decreasing the OFF delay time for the exterior lights and setting the time can also be made using this
button.