Controls  
					Driving  
					Driving  
					To save battery power when the engine is off,  
					switch off the ignition and any unnecessary  
					electronic systems/power consumers.  
					Vehicle features and options  
					This chapter describes all standard, country-  
					specific and optional features offered with the  
					series. It also describes features that are not  
					necessarily available in your car, e. g., due to  
					the selected options or country versions. This  
					also applies to safety-related functions and  
					systems. The respectively applicable country  
					provisions must be observed when using the  
					respective features and systems.  
					P when the ignition is switched off  
					P is engaged automatically when the ig‐  
					nition is switched off. When in an automatic car  
					wash, e.g., ensure that the ignition is not  
					switched off accidentally.◀  
					The ignition automatically cuts off while the  
					vehicle is stationary and the engine is stopped:  
					▷
					When locking the vehicle, and when the  
					low beams are activated.  
					Start/Stop button  
					▷
					Shortly before the battery is discharged  
					completely, so that the engine can still be  
					started. This function is only available  
					when the low beams are turned off.  
					The concept  
					Pressing the Start/Stop button  
					switches the ignition on or off  
					and starts the engine.  
					▷
					▷
					When opening or closing the driver door, if  
					the driver's safety belt is unbuckled and  
					the low beams are turned off.  
					Steptronic transmission: The  
					engine starts if the brakes are  
					stepped on while pressing the Start/Stop but‐  
					ton.  
					While the driver's safety belt is unbuckled  
					with driver's door open and low beams off.  
					The low beams switch to parking lights after  
					approx. 15 minutes of no use.  
					Ignition on  
					Steptronic transmission: Press the Start/Stop  
					button without stepping on the brake.  
					Radio ready state  
					Activate radio-ready state:  
					All vehicle systems are ready for operation.  
					▷
					When the engine is running: press the  
					Start/Stop button.  
					Most of the indicator and warning lights in the  
					instrument cluster light up for a varied length  
					of time.  
					Some electronic systems/power consumers  
					remain ready for operation.  
					To save battery power when the engine is off,  
					switch off the ignition and any unnecessary  
					electronic systems/power consumers.  
					The radio-ready state switches off automati‐  
					cally:  
					▷
					▷
					After approx. 8 minutes.  
					Ignition off  
					Steptronic transmission: Press the Start/Stop  
					button again without stepping on the brake.  
					When the vehicle is locked using the cen‐  
					tral locking system.  
					▷
					Shortly before the battery is discharged  
					completely, so that the engine can still be  
					started.  
					All indicator lights in the instrument cluster go  
					out.  
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