Removing and installing three way catalytic converter or front exhaust system - AR49.10-P-5531D: Notes
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 104 in MODEL 124, 129, 140, 202
ENGINE 111 in MODEL 124, 202
Fig 1: Identifying Three Way Catalytic Converter Or Front Exhaust System Remove/Install Components - Model 124 & 202 With Engine 104
Fig 2: Identifying Three Way Catalytic Converter Or Front Exhaust System Remove/Install Components - Model 124 & 202 With Engine 111
| Removal, installation | |||
| 1 | Replace self-locking nuts and gaskets. Ensure gaskets and flanges are correctly installed | Use emery cloth to clean off combustion and corrosion residues at connection points if necessary | |
| 2 | Disconnect connectors (arrows) for oxygen sensor | ||
| 3 | Replace rivet nuts in exhaust manifold | Replace if necessary | AR49.10-P-5531-01DA |
| 4 | Remove threaded plate | ||
| Pay attention to installation of threaded plate Engine 104 in model 124, 129, 140, 202 Engine 111 in model 124, 202 |
AH49.10-P-9409-01A | ||
| 5 | Install in reverse sequence | ||
| Front exhaust pipes insulated | BT49.10-P-9404-01D | ||
| Shape and cross section of three way catalytic converter modified | BT49.10-P-9404-02D | ||
| Notes re disposing of catalytic converters | On models with catalytic converter Code 620a | OS49.10-P-1000-01A |