2009 Mercedes R-Class Owner's Manual - Page 142

Controls in detail Automatic transmission Effect The automatic transmission shifts automatically. All forward gears are available. directly shifting the automatic transmission between drive position D and reverse gear R to very low speeds, i.e. approximately 5 mph (9 km/h). To shift the automatic transmission directly between drive position D and reverse gear R, move the gear selector lever past the resistance point up or down. Gear ranges With the automatic transmission in drive position D, you can limit or extend the gear range, see "One-touch gearshifting" (Y page 142). The current gear range appears in the multifunction display. Driving tips Kickdown Use the kickdown when you want maximum acceleration. X Working on the vehicle G Warning! When working on the vehicle, engage the parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in an accident and/or serious personal injury. Towing a trailer X Fully depress the accelerator pedal. Depending on the engine speed the automatic transmission shifts into a lower gear. Depress the accelerator pedal past the point of resistance to use the kickdown. 1 Gear range indicator Canada vehicles only: X Rocking the vehicle Rocking the vehicle by shifting the automatic transmission directly between drive position D and reverse gear R can help free a vehicle stuck in mud or snow. The engine control system of this vehicle electronically limits When you tow a trailer, shift into a lower gear range manually if the automatic transmission hunts between gears on inclines. A lower gear range and reduction of speed reduces the potential to overload or to overheat the engine. For more information on trailer towing, see the "Operation" section (Y page 283). 140