Remove/install temperature sensor upstream of SCR catalytic converter - AR14.40-P-2011ECM

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ENGINE 642 in MODEL 207, 212, 218 with CODE U77 (Diesel Emission control BLUETEC (SCR))

ENGINE 642 in MODEL 212, 218 with CODE U42 (BlueTEC diesel exhaust treatment (SCR))

ENGINE 651 in MODEL 207, 212, 218 with CODE U77 (Diesel Emission control BLUETEC (SCR))

Shown on model 207 with engine 642

Fig 1: Temperature Sensor Upstream Of SCR Catalytic Converter Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Remove/install
1	Detach left underfloor paneling on rocker panel	MODEL 207 with ENGINE 642, 651 with CODE U77 (Diesel Emission control BLUETEC (SCR))	AR61.30-P-1001EC
		MODEL 212, 218 with ENGINE 642 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) MODEL 212, 218 with ENGINE 642 with CODE U77 (Diesel Emission control BLUETEC (SCR)) MODEL 212, 218 with ENGINE 651 with CODE U77 (Diesel Emission control BLUETEC (SCR)) Detach left underfloor paneling until the electrical connection of the temperature sensor upstream of SCR catalytic converter (B16/15) is accessible.	AR61.30-P-1001EL
2	Detach electrical line (1) of the temperature sensor upstream of SCR catalytic converter (B16/15) from retaining clamps on heat shield
3	Disconnect electrical connection for the temperature sensor upstream of SCR catalytic converter (B16/15)
4	Unscrew union nut and remove temperature sensor upstream of SCR catalytic converter (B16/15)	ENGINE 651 in MODEL 207 with CODE U77 (Diesel Emission control BLUETEC (SCR)) without CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 212 with CODE U77 (Diesel Emission control BLUETEC (SCR)) without CODE U42 (BlueTEC diesel exhaust treatment (SCR))	*BA14.40-P-1008-02D
		ENGINE 642 in MODEL 207, 212, 218 with CODE U77 (Diesel Emission control BLUETEC (SCR)) ENGINE 642 in MODEL 212, 218 with CODE U42 (BlueTEC diesel exhaust treatment (SCR)) ENGINE 651 in MODEL 218 with CODE U77 (Diesel Emission control BLUETEC (SCR))	*BA14.40-P-1006-02A
5	Install in the reverse order

EXHAUST AFTERTREATMENT, BLUE TEC

Number	Designation		ENGINE 642 with CODE U77	ENGINE 642 with CODE U42
BA14.40-P-1006-02A	Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter	Nm	45	45

EXHAUST AFTERTREATMENT, BLUE TEC

Number	Designation		ENGINE 651 in MODEL 218 with CODE U77
BA14.40-P-1006-02A	Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter	Nm	45

EXHAUST AFTERTREATMENT, BLUETEC

Number	Designation		ENGINE 651 in MODEL 207 with CODE U77	ENGINE 651 in MODEL 212 with CODE U77
BA14.40-P-1008-02D	Exhaust temperature sensor upstream of SCR catalytic converter	Nm	45	45