MB Medic Mercedes-Benz Repair Guides, Service, How To DIY
Purpose
This guide will show you how to replace the mixing chamber. This applies to the OM612 and OM611 engines.
Application
1999 W210 E-Class and 2000 W203 C-Class 220 CDI
2000 W90x Sprinter and G-Wagen G 270 CDI
Parts Required
New Mixing Chamber and Gasket.
Removal/Installation Instructions
- Disconnect the battery negative terminal.
- Open the hood of your Mercedes-Benz.
- Locate the charge air distribution pipe. Remove the vacuum hoses. Remove the charge air hose from the mixing chamber.
- Remove the bolts that hold the mixing chamber on the charge air distribution pipe. Make sure to remove the gasket carefully.
- Remove the old EGR / Mixing Chamber. Install the new mixing chamber in reverse order. Ensure that all surfaces are clean.
- Inspect the condition of the old EGR/ Mixing chamber.
- It is recommended that you replace the old gasket. You need to make sure there will not be any leakage at the gasket.
- Tighten the bolts that hold the mixing chamber. If you are using a torque wrench, tighten to 11 Nm.
Conclusion
Once you replace the EGR/ Mixing chamber and reconnect the vacuum hoses, it is time to start up your Mercedes-Benz. The engine should run smoother, and you should also see an improvement in fuel economy after this repair. Note that you may have to crank up the engine a couple of times to get it to start after you complete this repair.
