AdBlue® is a liquid urea solution used for exhaust gas aftertreatment of diesel engines. In order for the exhaust gas aftertreatment to function properly, only use AdBlue® in accordance with ISO 22241.
non-toxic
colourless and odourless
non-flammable
If you open the AdBlue® tank, small amounts of ammonia vapour may be released. Fill the AdBlue® tank only in well-ventilated areas.
Do not let AdBlue® come into contact with skin, eyes or clothes. Keep AdBlue® away from children.
Do not ingest AdBlue®. If AdBlue® is swallowed, immediately rinse your mouth out thoroughly. Drink plenty of water. Seek medical attention at once.
Observe the notes on the operating fluid AdBlue®More.
AdBlue® can be topped up at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
AdBlue® is available at numerous filling stations via AdBlue® filling pumps.
Alternatively, AdBlue® is available at qualified specialist workshops, e.g. a Mercedes-Benz Service Centre, and at numerous filling stations as an AdBlue® refill canister or AdBlue® refill bottle.
AdBlue® freezes at a temperature of approximately -11 °C. The vehicle is equipped with an AdBlue® preheating system at the factory. This means that winter operation is also ensured for temperatures below -11 °C. If you top up AdBlue® at temperatures below -11 °C, the AdBlue® level in the instrument cluster may not be displayed correctly. If the AdBlue® is frozen, drive for at least 20 minutes and then park the vehicle for a minimum of 30 seconds, so that the level is correctly displayed. In extreme winter conditions, the time needed to detect the top-up amount may be considerably longer. Park the vehicle in a warm garage to speed up this process.
Ensure the connection between the refill container and vehicle filler neck does not drip.