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

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

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)

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

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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
			Fig 6
			Fig 7
			*BA14.00-P-1001-01A

TORQUE SPECIFICATION

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)

G04624323

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

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Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

G04624325

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Repair materials

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