Remove/install AdBlue® tank - AR14.40-P-2014GZB: Notes

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ENGINES 642 in MODEL 164, 251 with CODE (U42) BlueTEC (SCR) diesel exhaust treatment

Fig 1: Identifying AdBlue® Tank Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

MODIFICATION NOTES

1.4.10

Disassemble and change AdBlue® line, added

Operation step 7

	Remove/install
	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	Only pour AdBlue into suitable containers. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.	AS14.40-Z-0001-01A
1	Empty AdBlue® container	Ensure utmost cleanliness. Attach rear apron protector and cover AdBlue® tank over a large area around the filler neck with a number of layers of absorbent paper to prevent fouling of the interior coverings. Installation: Do not pour in drained off AdBlue® again.	AR14.40-P-2014-02GZB
		AdBlue® container	*BF14.40-P-1001-01A
	Notes on use, material properties and handling of AdBlue®		AH14.40-N-0001-01AB
	NO_x reducing agent OFF 32 ("AdBlue®") for SCR systems	Sheet 352.0	BB00.40-P-0352-00A
2	Remove rear muffler		AR49.10-P-7100GZB
3	Remove plastic trim (5)	Unscrew plastic nuts (4) and remove bolts (3).
4	Release and disconnect electrical connectors (2) for pump module on AdBlue® container
5	Disconnect connector for AdBlue® line (1) on AdBlue® container	Press connector for connecting the AdBlue® line (1) against the connector, press resting lugs together and remove connector. Immediately clean and seal connector for AdBlue® line (1) and AdBlue® container on connector.
6	Remove rubber grommet around AdBlue® line on plastic trim (5)
7	Loosen tensioning straps for AdBlue® container and remove AdBlue® container	Secure AdBlue® container against falling out in order to prevent damage.
			*BA14.40-P-1001-02A
8	Disassemble and change AdBlue® line for alternate usage of the AdBlue® tank	Only for vehicles up to model year 2010 and with code (460a) Canada version or (494a) USA version	AR14.40-P-0001-01GZ
9	Install in the reverse order

EXHAUST AFTERTREATMENT, BLUE TEC

Number	Designation		Engine 642 with code U42
BA14.40-P-1001-02A	Nut/bolt, AdBlue tank to body	Nm	23

FILLING CAPACITY FOR BLUETEC DIESEL EXHAUST TREATMENT (SCR)

Number	Designation			Engine 642 model 164.1	Engine 642 model 164.8
BF14.40-P-1001-01A	AdBlue tank	Filling capacity for the initial filling	Liters	28.1	33.3
BF14.40-P-1001-01A	AdBlue tank	Specifications for service products	Sheet	BB00.40-P-0352-01A	BB00.40-P-0352-01A

FILLING CAPACITY FOR BLUETEC DIESEL EXHAUST TREATMENT (SCR)

Number	Designation			Engine 642 in model 251
BF14.40-P-1001-01A	AdBlue tank	Filling capacity for the initial filling	Liters	29.0
BF14.40-P-1001-01A	AdBlue tank	Specifications for service products	Sheet	BB00.40-P-0352-01A