mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

O2 Sensors, Location/Task/Design/Function|Page 3251 > < O2 Sensors, Location/Task/Design/Function|Page 3249
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Remove/Install

NOTE: O2 sensors upstream TWC

1

Remove air cleaner

2

Separate plug connections of O2 sensors (G3/7x1, G3/8x1) and (G3/9x1, G3/10x1)

3

Remove O2 sensors (G3/B), (G3/9) and (G3/10)

NOTE:  Remove from above.

-

O2 sensor to exhaust pipe/exhaust manifold = 55 Nm

-

See Special Tools below.

4

Remove ignition coil module

NOTE:  Only for O2 sensor (G3/7)

5

Remove O2 sensor (G3/7)

NOTE:  Remove from above.

O2 Sensors, Location/Task/Design/Function|Page 3251 > < O2 Sensors, Location/Task/Design/Function|Page 3249