Fill AdBlue(R) tank - Perform internal filling - AP14.40-P-1410-01A

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MODEL 164, 204, 207, 212, 218, 221, 251 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))

MODEL 172, 207, 212, 218 with CODE U77 (Diesel Emission control BLUETEC (SCR))

	Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue	Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.	AS14.40-Z-0001-01A
	Notes on use, material properties and handling of AdBlue(R) for service		AH14.40-P-0001-02A

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-17A	One-way filling hose	A 000 583 22 04
BR00.45-Z-1003-17A	10 l can of AdBlue®	A 004 989 04 20 12

Shown in model 221

Fig 1: Cap For Filler Neck On AdBlue Container - Shown In Model 221

Courtesy of MERCEDES-BENZ USA

Fig 2: AdBlue Refill Canister Part Number And Container Size

Courtesy of MERCEDES-BENZ USA

Fig 3: One-Way Filling Hose, Canister And Filler Neck Connection

Courtesy of MERCEDES-BENZ USA

Shown in model 164

Fig 4: One-Way Filling Hose - Shown In Model 164

Courtesy of MERCEDES-BENZ USA

Expose AdBlue® container and open cap (5).
Open cap for filler neck on AdBlue® container (7).
Open 10 l AdBlue® refill canister (6) and screw one-way filling hose (4) to canister connection (4a) on 10 l AdBlue® refill canister (6).
Screw one-way filling hose (4) to filler neck connection (4b) on AdBlue® container (8) filler neck.
Lift up 10 l AdBlue® refill canister (6) as shown and drain into AdBlue® container.
Once the 10 l AdBlue® refill canister (6) is completely drained:

Lower 10 l AdBlue® refill canister (6) below level of filler neck for AdBlue® container (8), unscrew 10 l AdBlue® refill canister (6) from canister connection (4a) of one-way filling hose (4) and dispose of. Screw new 10 l AdBlue® refill canister (6) onto canister connection (4a) of one-way filling hose (4) and repeat operation step 5.

If no further draining of the 10 l AdBlue® refill canister (6) takes place:

The AdBlue® container is completely full. Continue with step 6.
Lower 10 l AdBlue® refill canister (6) under level of filler neck for AdBlue® container (8).
Carefully unscrew filler neck connection (4b) from filler neck for AdBlue® container (7) and lift above level of 10 l AdBlue® refill canister (6) so that the AdBlue® can flow from the one-way filling hose (4) into the 10 l AdBlue® refill canister (6).
Unscrew connection for canister (4a) from 10 l AdBlue® refill canister (6) and seal 10 l AdBlue® refill canister (6).
Dispose of one-way filling hose (4).