2005 Mercedes C-Class Owner's Manual - Page 234

Controls in detail Driving systems i On uphill or downhill grades, cruise control may not be able to maintain the set speed. Once the grade eases, the set speed will be resumed. Canceling cruise control There are several ways to cancel cruise control: 1 Sets current or higher speed 2 Sets current or lower speed 3 Cancels cruise control 4 Resumes at last set speed or Setting current speed Accelerate or decelerate to the desired speed. Briefly lift 1 or depress 2 the cruise control lever. The current speed is set. Remove your foot from the accelerator pedal. Cruise control is activated. Briefly push the cruise control lever to position 3. Cruise control is canceled. The last speed set is stored for later use. Step on the brake pedal. Cruise control is canceled. The last speed set is stored for later use. ! Vehicles with automatic transmission: Moving the gear selector lever to position N while driving also cancels cruise control. However, the gear selector lever should not be moved to position N while driving, except to coast when the vehicle is in danger of skidding (e.g. on icy roads). i Vehicles with manual transmission: The set cruise controlled speed is switched off when declutching exceeds four seconds during downshifting a gear. i The last stored speed is canceled when you turn off the engine. 232