Operating & maintenance manual x Stop the diesel engine. x The filler neck ( 2 ) for AdBlue ® / DEF is installed on the left side of the vehicle, behind the cab, below the diesel filler neck. x Open the filler neck and fill in AdBlue ® / DEF. x Close the filler neck and lock it. 2 Fig. 1 Filler neck AdBlue ® / DEF Minimum top-up quantity The following minimum top-up quantities are to be observed when adding urea-water solution. Filling the tank with less than the prescribed minimum top-up quantity is permitted only in case the current tank capacity is not sufficient at the point of time in question. 31 NOTICE Risk of property damage!
x Thinning down the urea-water solution by means of water or using a urea-water- solution with a share of urea that is lower than 31.8 % (according to standard DIN 70070, ISO 22241-1 or ASTM D 7821) is not permitted! x The urea concentration is checked by the on-board diagnosis system. x In case quality requirements are not met any more, the engine output will be reduced. NOTICE Risk of property damage! x Stop the engine before filling the tank with urea-water solution. x Make sure the urea-water solution is not contaminated by dust. Tank capacity Minimum top-up quantity 5 liters / 1.3 gallons or full tank 20 liters / 5.3 gallons 10 liters / 2.6 gallons or full tank