2009 Mercedes R-Class Owner's Manual - Page 135

Controls in detail Driving and parking For more information on driving, see "Driving instructions" (Y page 279). X X Allow the engine and coolant to cool off. Check the coolant level and add coolant if necessary (Y page 251). Parking G Warning! Do not park this vehicle in areas where combustible materials such as grass, hay or leaves can come into contact with the hot exhaust system, as these materials could be ignited and cause a vehicle fire. To reduce the risk of serious personal injury, or damage to the vehicle or the vehicle drivetrain, as a result of vehicle movement, always do the following before turning off the engine and leaving the vehicle: RKeep right foot on the brake pedal. REngage the parking brake. RShift the automatic transmission into park position P. RSlowly RWhen RTurn Problems while driving The engine runs erratically and misfires RGasoline RThe In case of accident If the vehicle is leaking fuel: X X X engine: An ignition cable may be damaged. engine electronics may not be operating properly. have entered the catalytic converter and damaged it. Do not start the engine under any circumstances. Exit the vehicle at a safe distance from the roadway. Notify local fire and/or police authorities. RGasoline engine: Unburned gasoline may If the extent of the damage cannot be determined: X X X Give very little gas. Have the problem checked at an authorized Mercedes-Benz Center as soon as possible. Contact an authorized Mercedes-Benz Center or call Roadside Assistance. The coolant temperature is above 248‡ (120†) The coolant is too hot and is no longer cooling the engine. X Stop the vehicle in a safe location as soon as possible. X If no damage on major assemblies, fuel system, and engine mount can be determined: X release the brake pedal. Start the engine in the usual manner. parked on an incline, always turn the front wheels towards the road curb. the SmartKey in the starter switch to position 0 and remove the SmartKey Turn off the engine immediately. Z 133