Question about Mercedes-Benz Cars & Trucks
C200 W203 has a management light on since one year. There is no problem in driving and anything. I wonder how to reset it.
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Posted on Jan 02, 2017
You can go to a auto zone or a mercedes authorized repair shop and have them hook it the machine and do a computer read and test it will tell what the problem is if you go to Auto zone I dunno If you have one its free anywhere else they may charge.
Posted on Nov 04, 2009
Ok guys check this out.I ran out of petrol(ok I am a girl!) and the yellow engine light stayed on afterwards.Hyundai said I would have to sell my soul to get it sorted but would be ok to run I t failed it's Mot on emission,but the local garage managed to temporarily fix the problem to get it through.The light came back on after wards-!!! So I did some research on Internet and here's how to reset it yourself-- Take off positive lead from battery,then turn ignition key on to get rid of any stored power.Then pump the footbrake(yeah I wondered why!) for about 20 secs.You will hear allsorts of clicking in the engine as ecu resets.Then reconnect battery lead!! Wallah !!!!
I went armed with this knowledge to the local garage(much to their amusement) and asked if they could reset the ecu,and they said a dealer would have to do it.I said well I know how and asked them to disconnect battery for me(their frowns got deeper by the minute).The rest I did in front of them,They were gobsmacked!!!!
They were amazed and asked me to call in a few days to tell them if it had worked permanent as they had learned something----so far so good!!!!
I f you have a computorised radio make sure you know the reset code for that as it may knock it off.
The ecu resets when you drive away.Now drives like a dream.
Posted on Dec 20, 2009
not exactly sure but you can try 2carpros.com or maybe autozone .com. sometimes you can type the info in address bar and it will take you to sites with that info.
Posted on Jan 17, 2011
get it checked on the system at authorised centre to find which sensor which is mal-funtioning
Posted on Mar 28, 2013
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