Add Blue Diesel Additive

This is from bmws fluid chart vehicles are factory filled with def diesel engine additive also known as adbluereg.
Add blue diesel additive. Def is stored in two separate reservoirs within the vehicle. Adblue consumption is usually between 26 for most vehicles with diesel vans and lorries tending to inhabit the upper half of this range at 46. Adblue is a consumable for diesel engined vehicles worldwide and is injected into the scr catalyst to break down soot and. Some cars have a blue or black screw cap for adblue next to the black diesel filler cap.
Another way to picture this is that for every 100 gallons of fuel burned 46 gallons of adblue will be used to reduce nox levels in the emissions. It is standardised as aus 32 aqueous urea solution in iso 22241. Buy adblue diesel emissions fluid for scr code two 12 gallons 2010 2013. When you buy a new or used diesel car from a dealership the sales person should explain what features it has and specifically whether it uses adblue.
If you see an adblue warning light on your instrument cluster it may be time to refill your mercedes benz with adblue. The adblue fluid is sprayed in the exhaust gasses and lowers the no x emissions. If youve bought a new diesel car in the last couple of years the chances are itll need adblue at some point. In others the cap is in the boot or in the engine compartment.
How do i know if my car uses adblue. Diesel exhaust fluid def is an aqueous urea solution made with 325 urea and 675 deionized water. So what is. In bmw with diesel engines every oil service one must drain and replace adblue but you will only get 25 galons for free and have to pay for the rest.
Adblue is the marketing term for a fluid used in the catalytic convertor fitted to the exhaust systems of some diesel carsit is injected into the exhaust gases and burnt at very high temperatures to break down harmful nitrogen oxides. Many mercedes benz diesel cars such as e220 c220 s350 g350 ml350 ml250 equipped with bluetec technology use adblue diesel exhaust fluid def.