S 500 (220.175) V8-5.0L (113.960) (2004)
1.
Disconnect oxygen sensor connectors (G3/3x1 - G3/6x1, Figure 4) from the wire harness connectors. Refer to WIS: AR14.00-P-5303AA.
2.
Remove bolts (11/5, figure 4) from the flange connection.
3.
Remove head pipe flange connection bolts (11/1, Figure 4).
4.
Remove nuts from the exhaust hanger bracket (11/2, Figure 4).
5.
Loosen bolt and remove exhaust support (arrow, Figure 5).
6.
Remove catalytic converter/front exhaust (158, Figure 4).
Note:
^
Ensure heat shields are not damaged when removing and reinstalling catalytic converter/front exhaust (158).
7.
Remove oxygen sensors (G3/3-G3/6, Figure 4) from catalytic converter/front exhaust and install on new catalytic converter/front exhaust. Refer to
WIS: AR14.00-P-5303AA.
8.
Install new catalytic converter(s) in reverse order.