C 55 AMG (203.076) V8-5.5L (113.988) (2006)
Remove/Install
1
Remove engine compartment paneling
2
Press left O2 sensor connectors, upstream TWC (G3/3x1) and right OO22 sensor connectors, upstream TWC (G3/4x1) out of brackets and
disconnect
3
Remove left O2 sensor, upstream TWC (G3/3) and right O2 sensor, upstream TWC (G3/4)
NOTE: Installation: Coat thread of O2 sensors with heat-resistant lubricant.
-
Box wrench bit: See Special Tools below.
-
Sensor to exhaust pipe/exhaust = 55 Nm
4
Press left O2 sensor connectors, downstream TWC (G3/5x1) and right O2 sensor connector, downstream TWC (G3/6x1) out of brackets and
disconnect
5
Remove left O2 sensors, downstream TWC (G3/5) and right O2 sensor, downstream TWC (G3/6)
NOTE: Installation: Coat thread of O2 sensors with heat-resistant lubricant.
-
Box wrench bit: See Special Tools below.
-
Sensor to exhaust pipe/exhaust = 55 Nm
6
Install in the reverse order sensor manifold
Special Tools
Ring Wrench Socket, P/N # 000 589 71 03 00