2011 Mercedes ML-Class Owner's Manual - Page 362

360 Service products and capacities Rmisfire Rpower loss In areas where carbon deposits may be encountered due to lack of availability of gasoline which contains these additives, Mercedes-Benz recommends the use of additives approved for use in Mercedes-Benz vehicles. Consult an authorized Mercedes-Benz Center or visit http://www.mbusa.com (USA only) to view a list of approved products. Observe the instructions for use on the product label. Do not mix other fuel additives with fuel. This causes unnecessary costs and could damage the engine. crystallize after time and contaminate the affected surfaces. High outside temperatures If AdBlue® is heated to above 122 ‡ (50 †) for an extended period of time, e.g. due to direct sunlight on the AdBlue® tank, AdBlue® may start to decompose. Ammonia vapors develop as a result. G Warning! Technical data ! Do not refuel with low-grade fuel and do not use fuel additives that are not tested and approved for Mercedes-Benz vehicles. Damage or malfunctions can result that are not covered: Rby the Mercedes-Benz Limited Warranty Rby an existing Limited Warranty Rby an extended Limited Warranty AdBlue® Important safety guidelines i For BlueTEC vehicles only. AdBlue® is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. When opening the filler cap of the AdBlue® tank ammonia gas vapors may escape. Refill AdBlue® in a well ventilated area only. Ammonia gas vapors have a pungent odor and are particularly irritating for your skin, mucous membranes, and eyes. Inhaling ammonia gas vapors will cause burning eyes, nose, and throat, as well as coughing and watering eyes. Low outside temperatures AdBlue® freezes at a temperature of approximately 12 ‡(11 †). The vehicle is equipped with an AdBlue® preheating system at the factory. Winter operation can thus be guaranteed even at temperatures below 12 ‡(-11 †). Additives ! Use only AdBlue® complying with ISO 22241. Do not use any additives with AdBlue® and do not thin AdBlue® with water. This may destroy the BlueTEC exhaust gas aftertreatment system. Damage resulting from the use of additives or water is not covered by the MercedesBenz Limited Warranty. Purity Assuring the purity of AdBlue® is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. ! Only use AdBlue® that complies with ISO 22241. Do not add any special additives to AdBlue® and do not thin AdBlue® with water. This could destroy the BlueTEC exhaust gas aftertreatment. ! Rinse surfaces that have come into contact with AdBlue® immediately with water or remove AdBlue® using a damp cloth and cold water. If the AdBlue® has already crystallized, use a sponge and cold water to clean it. AdBlue® residues