2009 Mercedes R-Class Owner's Manual - Page 377

Practical hints AdBlue® (diesel engine only) X X Wait for approximately 2 minutes. Turn the SmartKey in the starter switch to position 3 and hold it there for a maximum of 40 seconds or until the engine runs surge-free. AdBlue® (diesel engine only) The BlueTEC exhaust gas aftertreatment system requires a reducing agent (AdBlue®) in order to function properly. Refilling with AdBlue® is part of the regular maintenance service work. A tankful of AdBlue® should suffice until the next maintenance service under normal driving conditions. When the AdBlue® tank is low, the message Check Additive see Operator's Manual appears in the multifunction display. When the AdBlue® level drops to the minimum level, the message Remaining Starts: 20 appears in the multifunction display. i For refilling outside the maintenance service intervals, refill the AdBlue® tank with approximately 1 gal (3.79 l) AdBlue® (corresponds to approximately 2 AdBlue® refill containers). Always use the particular AdBlue® refill containers for refilling outside the maintenance service interval. Contact an authorized Mercedes-Benz Center or call Roadside Assistance if necessary (Y page 234). Additional information on BlueTEC exhaust gas aftertreatment and AdBlue® is available at any authorized Mercedes-Benz Center. If the engine still does not start, do not make any further attempts to start the engine. Contact an authorized Mercedes-Benz Center or call Roadside Assistance (Y page 234). i When the malfunction indicator lamp ú (USA only) or ± (Canada only) in the instrument cluster has been illuminated for the above condition, it will remain illuminated until the engine was cycled on and off four times in a row. i When the message Remaining Starts: 20 appears in the multifunction display, you can start the engine 20 more times. If you do not add AdBlue®, the engine cannot be started beyond that point. Fill the AdBlue® tank with approximately 1 gal (3.79 l) AdBlue® (corresponds to approximately 2 AdBlue® refill containers) or have the AdBlue® tank filled by an authorized Mercedes-Benz Center. Refilling with AdBlue® G Warning! Make sure RAdBlue® does not come into contact with skin, eyes, or clothing Rto keep AdBlue® out of the reach of children Z 375