2009 Mercedes R-Class Owner's Manual - Page 169

Controls in detail Driving systems Indicator lamp 3 comes on. X X Start the engine. Press ADS switch 1 repeatedly until the desired suspension tuning is reached. The setting remains stored when you turn off the engine. vehicle while it is standing still. Limbs could become wedged into or under the vehicle. For safety reasons, the vehicle can only be lowered with all doors and the tailgate closed. Lowering is interrupted if a door or the tailgate is opened and will continue after the door is closed again. Vehicle level control Your vehicle automatically adjusts its ride height to increase vehicle safety and to reduce fuel consumption. i Changes to the vehicle level should be made while the vehicle is moving. The vehicle will then reach the set level as fast as possible. The vehicle begins adjusting to the set vehicle level as soon as the doors or tailgate are unlocked or opened or closed with the vehicle unlocked. For major changes in vehicle level, the engine must be running. G Warning! Make sure no one is near the wheel housing or under the vehicle when you lower the ! Keep in mind that on rough or uneven roads, adjusting the vehicle to a lower level may cause the vehicle underbody to come in contact with the road and result in damage to the vehicle underbody. Always make sure the vehicle has sufficient ground clearance before adjusting it to a lower level. ! Before jacking up the vehicle with equipment that lifts one or more of the wheels completely off of the ground, remove the SmartKey from the starter switch. i The activation threshold is defined by the set suspension tuning (Y page 166). 1 Vehicle level control switch 2 Indicator lamp Basic settings The following vehicle chassis ride heights can be selected using the vehicle level control switch in the center console: Level Raised Highway Driving situation For driving on rough roads. The indicator lamp is on. For driving on paved roads in fair or better condition. The indicator lamp is off. Z 167