2010 Mercedes S-Class Owner's Manual - Page 332

330 Driving systems Adjustment in 1 mph (Canada: 1 km/h) increments arising from returning to the preset speed could cause an accident and/or serious injury to you and others. X i The set speed value is increased or decreased in 1 mph (Canada: 1 km/h) increments each time you lift or press the cruise control lever up or down to the resistance point. X Controls in detail Increasing: Briefly lift the cruise control lever up to the resistance point in direction of arrow :. X Decreasing: Briefly press the cruise control lever down to the resistance point in direction of arrow ;. X Release the cruise control lever. The new speed is set and the vehicle will accelerate or decelerate. Adjustment in 5 mph (Canada: 10 km/h) increments Briefly pull the cruise control lever in direction of arrow ?. If no speed is stored, the current speed is set and stored. X Remove your foot from the accelerator pedal. The last stored speed is deleted from memory when the engine is turned off. DISTRONIC PLUS Safety notes When activated, the DISTRONIC PLUS adaptive cruise control system increases the driving convenience afforded by the cruise control while traveling on expressways and other major roadways. RIf the DISTRONIC PLUS distance sensor detects a slower moving vehicle directly ahead, your vehicle speed will be reduced so that you follow that vehicle at your preset following distance. RIf i The set speed value is increased or decreased in 5 mph (Canada: 10 km/h) increments each time you lift or press the cruise control lever up or down past the resistance point. X Increasing: Briefly lift the cruise control lever up past the resistance point in direction of arrow :. X Decreasing: Briefly press the cruise control lever down past the resistance point in direction of arrow ;. X Release the cruise control lever. The new speed is set and the vehicle will accelerate or decelerate. Keep in mind that it may take a brief moment until the vehicle has reached the set speed. there is no vehicle directly ahead of you, the DISTRONIC PLUS will function in the same way as standard cruise control (Y page 328). G Warning! The DISTRONIC PLUS requires familiarity with its operational characteristics. We strongly recommend that you review the following information carefully before operating the system. Setting stored speed (Resume function) G Warning! The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences G Warning! HYBRID vehicles: It is imperative that you read the HYBRID Supplemental Operating Instructions included in your vehicle literature portfolio. You may otherwise not receive all necessary safety information and warning for the operation of your vehicle.