2006 Mercedes CL-Class Owner's Manual - Page 174

Controls in detail Automatic transmission Steering wheel gearshift control one-touch gear shifting CL 55 AMG and CL 65 AMG The steering wheel gearshift control provides an alternative method for changing the gears manually and limiting or extending the gear range for automatic shifting with the gear selector lever in position D and driving in the automatic program mode C or S. i To avoid overrevving the engine when downshifting with steering wheel gearshift buttons, the transmission will not shift to a lower gear if the engine's max. speed would be exceeded. The steering wheel gearshift buttons are located to the left and right of the steering wheel. ! Allow engine to warm up under low load use. Do not place full load on the engine until the operating temperature has been reached. Shift into reverse gear R or parking position P only when the vehicle is stopped. Avoid spinning of a drive wheel for an extended period when driving off on slippery road surfaces. This may cause serious damage to the drivetrain which is not covered by the Mercedes-Benz Limited Warranty. 1 Left button: downshift 2 Right button: upshift i For information on using the steering wheel gearshift control in manual program mode M (CL 55 AMG and CL 65 AMG only), see "Manual shift program CL 55 AMG and CL 65 AMG" ( page 175). 173