2004 Mercedes SLK-Class Owner's Manual - Page 161

Controls in detail Automatic transmission Steering wheel gearshift control (Speedshift) SL 55 AMG You can change the gears manually on the steering wheel or by using the gear selector lever ( page 156). 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 only when the vehicle is stopped. The steering wheel gearshift buttons are located to the left and right of the steering wheel. Downshifting Press button 1 on the left side of the steering wheel. The gear range is limited when you are not driving in the manual program mode ( page 163). When driving in the manual program mode ( page 163), the transmission will shift from the current gear to the next lower gear ( page 164). ! 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 160