Connect a voltmeter to the output wire/s of the lambda and ground the other lead.You should see roughly 500 millivolt and if not,turn the 3mm screw.Adjust CO only after the engine is thoroughly warmed up.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more!