Remove/install an oxygen sensor - AR14.00-P-5303D

ENGINES 104.94 /99, 111.920 /921 /94 /96 /970 /973 /974 /975 /977 (except, 104.990)

Fig 1: Identifying Oxygen Sensor Components (1 Of 4)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Oxygen Sensor Components (2 Of 4)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Oxygen Sensor Components (3 Of 4)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Oxygen Sensor Components (4 Of 4)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Figure/item, etc.	Work instructions
G3/2	Oxygen sensor	Installation : Coat thread on oxygen sensor with heat-resistant lubricant	*BR00.45-Z-1005-06A
			Fig 5
			Figure
			Fig 7
			*BA14.00-P-1001-01A

O2 sensor

Number	Designation		Engines 104, 111, 119, 120, 137, engine 166 in model 168
BA14.00-P-1001-01A	O₂ sensor on exhaust pipe/exhaust manifold	Nm	55

Fig 5: Identifying Wrench Socket (111 589 03 09 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 6: Identifying Ring Wrench Socket (000 589 71 03 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 7: Identifying Torque Wrench (001 589 66 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Repair materials

Number	Designation	Order number
BR00.45-Z-1005-06A	Paste	A 000 989 76 51