mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Exhaust Crossover Pipe > < Emissions - Catalytic Converter EPA Replacement Warning|Page 2491
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Catalytic Converter: Service and Repair

Removal, Reinstallation of Catalytic Converter:

Cover (2b)

Remove, reinstall. Observe installation position.

Oxygen sensor (G3/2)

Remove, reinstall. 

NOTE:  Before installing the oxygen sensor, coat the thread with the hot lubricating paste part no. 000 989 88 51.

Screws (1) of flange connection on exhaust Manifolds

Unscrew, screw on.

Lateral support (10) on transmission

Remove, reinstall.

Rubber rings (18 and 18a) for exhaust system

Disconnect, reconnect.

Exhaust system

Completely remove, reinstall. See: Service and Repair 

Flange connections (arrows)

Loosen and remove catalytic converter.

NOTE:  If vehicles with the engines 117.965/968 are converted from RUF to KAT version, the exhaust system must be replaced with a two-flute
version.

Exhaust Crossover Pipe > < Emissions - Catalytic Converter EPA Replacement Warning|Page 2491