Have you checked the codes at pin 14? That's where the CC/ETA module will report all codes. There are quite a few that will not cause a CEL and will not show up with the built in LED.
Just in case someone else is listening in, here's one of the best code summaries I've seen along with a link to the necessary easy to build code reader tool. http://www.mercedesshop.com/shopforum/showthread.php?t=107630 On 11/5/07, Kaleb C. Striplin, work <[EMAIL PROTECTED]> wrote: > Cruise does not work, will not idle unless you ease down on the gas, then > you can get it to idle at about 300 or so, just barely running. It did this > all the sudden, I messed with it a little and it started workign again for a > few days (I probably didnt do anything to it, just started working I > suppose). It then quit again and has not worked since. It does not hunt at > all. Wait, I take that back, I think it does hunt up a down for a bit then > I think it settles into the slow idle. The wiring all looks good, I checked > over all the wiring and it does not seem to have a wiring harness issue. I > was not sure if its the throttle actuator, or the idle/cruise computer. The > check engine codes do come up with that, and some other wierd codes too. > --- > Kaleb C. Striplin > Cox Auto Trader > 730 FSBO Supervisor _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
