mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Sensors and Switches - Emission Control Systems > < O2 Sensors, Location/Task/Design/Function|Page 1227
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O2 sensor to exhaust pipe/exhaust manifold = 55 Nm

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See Special Tools below.

NOTE:  O2 sensors downstream of TWC

6

Remove bottom engine compartment panel

7

Separate plug connections of O2 sensors (G3/11x1, G3/2x1) and (G3/13x1, G3/14x1)

8

Remove O2 sensors (G31/11, G3/12) and (G3/13, G3/14)

NOTE:  Remove from below.

9

Install in the reverse order

Special Tools

Ring Wrench Socket, P/N # 000 589 71 03 00

Sensors and Switches - Emission Control Systems > < O2 Sensors, Location/Task/Design/Function|Page 1227