Remove/install O2 sensor - AR07.04-P-0080MCU

ENGINE 132.910 in MODEL 451.3 /4 O2 sensor downstream of TWC

Fig 1: Identifying O2 Sensor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1	Remove complete exhaust system		AR49.10-P-7000MCU
2	Unscrew O2 sensor downstream of catalytic converter (G3/1) from catalytic converter (1)	Use a suitable 22 mm socket wrench.
			*BA14.00-P-1003-01B
		Paste	*BR00.45-Z-1005-06A
3	Install in the reverse order

O2 SENSOR

Number	Designation		Engine 132.9
BA14.00-P-1003-01B	O2 sensor downstream TWC on catalytic converter	Nm	40

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1005-06A	Paste, hot lubrication 1 kg, DB supply specification 6879.20	A 000 989 76 51