1992 300E 3.0L Has Check Engine Light on and when i hold the button down on the Diagnostic Box for three seconds and release it Flashes 18 times. What is that code please or what is the problem? Plus i know that its time for a new IAC Valve, ive clean ed it twice and it runs a little smoother everytime after i clean it. HELP! Thanks
1992 300E 3.0L Has Check Engine Light on 1992 Mercedes-Benz 300E
by humungal in Santa Clara, CA on April 03, 2011
ANSWER by Mercedes Connexion on May 03, 2011
18 flashes should be Current to idle control valve is illogical. If it were my car, I'd use a known good ICV valve and see if that takes care of the code before spending the roughly 400 bucks on a new valve.
Does anyone know what these codes mean? Help Please!