132 Driving and operating5. When refilling is complete, mountthe protective cap and turnclockwise until it engages.6. Close filler flap and right-handdoor.AdBlue canisterNoticeOnly use the designated AdBluecanisters for refilling, to prevent atopping-up of too much AdBlue.Additionally, the fumes in the tankare captured in the canister and donot emerge.NoticeSince AdBlue has a limiteddurability, check the date of expirybefore refilling.1. Switch off engine and remove keyfrom ignition switch.2. Pull filler flap to open.3. Unscrew protective capanticlockwise from the filler neck.4. Open AdBlue canister.5. Mount one end of the hose on thecanister and screw the other endon the filler neck.6. Lift the canister until it is empty.7. Unscrew the hose from the fillerneck.8. Mount the protective cap and turnclockwise until it engages.9. Close filler flap and right-handdoor.NoticeDispose of AdBlue canister andhose according to environmentalrequirements.NoticeLet the vehicle idle for 10 seconds toallow the system to detect theAdBlue refill.Failure to observe this procedure willresult in the system only recognisingthe AdBlue refill after 20 minutes ofdriving.If the AdBlue refill is detectedsuccessfully, AdBlue level warningswill disappear.If the AdBlue refill is not detectedsome time after running the engine,seek the assistance of a workshop.Filler capOnly use genuine filler caps. Adbluetank has a special filler cap.FaultIf the system detects an operatingfault, control indicator Õ illuminatestogether with A and a warningchime. Seek the assistance of aworkshop immediately.
