2006 Mercedes SLK-Class Owner's Manual - Page 169

Controls in detail Automatic transmission* Downshifting Warning! Upshifting Canceling gear range limit Press and hold button 2 on the right side of the steering wheel until D reappears in the multifunction display. The transmission will shift from the current gear range directly to gear range D. Shifting into optimal gear range Press and hold button 1 on the left side of the steering wheel. The transmission will automatically select the gear range suited for optimal acceleration and deceleration. This will involve shifting down one or more gears. G Briefly press button 2 on the right side of the steering wheel. The transmission will shift to the next higher gear as permitted by the shift program. This action simultaneously extends the gear range of the transmission when you are driving in the automatic program mode (C or S). On slippery road surfaces, never downshift in order to obtain braking action. This could result in drive wheel slip and reduced vehicle control. Your vehicle's ABS will not prevent this type of loss of control. Briefly press button 1 on the left side of the steering wheel. The transmission will shift to the next lower gear as permitted by the shift program. This action simultaneously limits the gear range of the transmission ( page 160) when you are driving in the automatic program mode (C or S). 168