2011 Mercedes E-Class Owner's Manual - Page 177

Driving systems It is the driver's responsibility at all times to be attentive to the road, weather and traffic conditions. Additionally, the driver must provide the steering, braking and other driving inputs necessary to remain in control of the vehicle. High-frequency sources such as toll stations, speed measuring systems etc. can cause the DISTRONIC PLUS system to temporarily cease functioning. too late. This could cause an accident in which you and/or others could be injured. 175 G Warning! G Warning G Warning! The DISTRONIC PLUS cannot take road and traffic conditions into account. Only use the DISTRONIC PLUS if the road, weather and traffic conditions make it advisable to travel at a constant speed. G Warning! Use of the DISTRONIC PLUS can be dangerous on slippery roads. Rapid changes in tire traction can result in wheel spin and loss of control. The DISTRONIC PLUS does not function in adverse sight and distance conditions. Do not use the DISTRONIC PLUS during conditions of fog, heavy rain, snow or sleet. Your undivided attention to street and traffic conditions is necessary at all times whether DISTRONIC PLUS is active or not. The use of DISTRONIC PLUS can be dangerous on winding roads or in heavy traffic because conditions do not allow safe driving at a constant speed. DISTRONIC PLUS does not react to stationary objects on the road (for example, a vehicle stopped in traffic or an abandoned vehicle). DISTRONIC PLUS likewise does not react to oncoming vehicles. Deactivate DISTRONIC PLUS: Rwhen G Warning! The DISTRONIC PLUS cannot take weather conditions into account. Switch off the DISTRONIC PLUS or do not switch it on if: Rroads are slippery or covered with snow or ice. The wheels could lose traction while braking or accelerating, and the vehicle could skid. Rthe DISTRONIC PLUS system sensor covers are dirty or visibility is diminished due to snow, rain or fog, for example. The distance control system functionality could be impaired. Always pay attention to surrounding traffic conditions even while the DISTRONIC PLUS is switched on. Otherwise, you may not be able to recognize dangerous situations until it is changing to the right lane, if the vehicles in the left lane are driving slower Rwhen driving into a filter lane or an expressway exit Rin complex driving situations, for example at roadworks on an expressway In these situations DISTRONIC PLUS will maintain the set speed if it is not deactivated. DISTRONIC PLUS is intended only for maintaining a set speed and a set distance from the objects moving in front of the vehicle. G Warning! An intermittent warning sounds and the distance warning lamp · in the instrument cluster is illuminated if the DISTRONIC PLUS system calculates that the distance to the vehicle ahead and your vehicle's current speed indicate that the DISTRONIC PLUS will not be capable of slowing the vehicle sufficiently to maintain the preset following Z Driving and parking The "Resume" function should only be operated if the driver is fully aware of the previously set speed and wishes to resume this particular preset speed.