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#1 (permalink) Old 04-20-2010, 01:24 AM
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How to clear codes

Hey, guys. Just got the conductor plate replaced in my '98 e320, as well as the transmission filters and fluids replaced. The check engine light was turned off, but not in the transmission computer, so it came right back a few days later. Everything for which there was a code has been corrected, so I was wondering what the procedure is to clear the engine codes. I know there's a list of stuff the computer has to do, so does anyone have that list handy? Seems like I remember there being some coasting involved...
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#2 (permalink) Old 04-20-2010, 04:20 AM
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Transmission codes cannot be cleared by a hand held scanner. You will need Carsoft and adapter. It's easiest to just drive to a reputable independent mechanic and ask them to clear the fault. My indy did the tranny clear for $35 after I replaced the conductor plate - and he even gave me a printout of stored codes.

Good Luck
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#3 (permalink) Old 04-20-2010, 04:23 AM
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You can clear codes through the Climate control unit - Go to position 3 (just before starting the engine, when the instrument cluster is illuminated), then set the left temperature to HI and the right to LO, then press simultaneously REST and EC buttons until the air circulation lamp starts blinking. Push right AUTO button and see if there are any errors (like b1416 on the left). If there aren't any it should display FF(in deutsch - Fahler Frei(No Errors)). You can search through the list by pressing the AUTO buttons. You can ALSO DELETE ERRORS by PRESSING SIMULTANEOUSLY BOTH AUTO buttons.

However, I recommend to buy yourself some sort of multiplexor and software (like Car Soft 7.4 or the official Xentry system, that is used by the MB technicians), because there are some errors that cannot be deleted by Climate Control Unit.

Hope this helps.

This is the List of the DTC codes - DOWNLOAD

Last edited by HexBox; 04-20-2010 at 04:27 AM. Reason: Added List of DTC codes
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#4 (permalink) Old 04-20-2010, 04:56 AM
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Originally Posted by HexBox View Post
You can clear codes through the Climate control unit - Go to position 3 (just before starting the engine, when the instrument cluster is illuminated), then set the left temperature to HI and the right to LO, then press simultaneously REST and EC buttons until the air circulation lamp starts blinking. Push right AUTO button and see if there are any errors (like b1416 on the left). If there aren't any it should display FF(in deutsch - Fahler Frei(No Errors)). You can search through the list by pressing the AUTO buttons. You can ALSO DELETE ERRORS by PRESSING SIMULTANEOUSLY BOTH AUTO buttons.

However, I recommend to buy yourself some sort of multiplexor and software (like Car Soft 7.4 or the official Xentry system, that is used by the MB technicians), because there are some errors that cannot be deleted by Climate Control Unit.

Hope this helps.

This is the List of the DTC codes - DOWNLOAD
I appreciate the advice also. I have another question. I am new and therefore all I hear is carsoft, carsoft and the associated hardware. Where do you go to download the stuff as I would like to try. Thanks
PS: I enjoy your countries wine.
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#5 (permalink) Old 04-20-2010, 09:19 AM
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somebody

has it seriously wrong.You can only clear climate control codes in the climate control diagnostic section.
You won't even pull up a powertrain code (P)


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#6 (permalink) Old 04-20-2010, 10:02 AM
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Originally Posted by HexBox View Post
You can clear codes through the Climate control unit - Go to position 3 (just before starting the engine, when the instrument cluster is illuminated), then set the left temperature to HI and the right to LO, then press simultaneously REST and EC buttons until the air circulation lamp starts blinking. Push right AUTO button and see if there are any errors (like b1416 on the left). If there aren't any it should display FF(in deutsch - Fahler Frei(No Errors)). You can search through the list by pressing the AUTO buttons. You can ALSO DELETE ERRORS by PRESSING SIMULTANEOUSLY BOTH AUTO buttons.

However, I recommend to buy yourself some sort of multiplexor and software (like Car Soft 7.4 or the official Xentry system, that is used by the MB technicians), because there are some errors that cannot be deleted by Climate Control Unit.

Hope this helps.

This is the List of the DTC codes - DOWNLOAD
Drivetrain DTC codes are not accessible through the CC system. And most of the transmission codes cannot be reset through the OBD-II port. SDS, Snap-On, carsoft, etc. are the only way to clear them out. I don't recommend that the casual DIY-er invest in any of those since they are complex and far beyond what the typical user needs, and the interfaces are not very user-friendly.

BTW, no need to repost the codes. I'd respectfully suggest you may want to read through all of the DIY threads atop this forum so you can see all the topics covered...including trouble codes.

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#7 (permalink) Old 04-20-2010, 12:24 PM
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Thank you HEX-BOX for the trouble code listings! very helpful. My friend has a genuine Mercedes MDS STAR computer in his garage that I have access to whenever I need. I'm not fully trained on all the functions but these codes will help. are these for W210 chassis only?

Regards

Redwood

E320 3.2 W211
E420 4.2 W210
500E 5.0 W124
190E 2.3 W201
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#8 (permalink) Old 04-20-2010, 12:27 PM
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As I said above - there are errors that cannot be deleted by CCU, that's why you need specific software

BTW, CarSoft is very user-friendly, but it doesn't have the capabilities of the Xentry system.

P.S @jhby@qis.net - I'm glad you like it, we have one of the finest production lines in Europe.
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#9 (permalink) Old 04-20-2010, 12:32 PM
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Quote:
Originally Posted by HexBox View Post
As I said above - there are errors that cannot be deleted by CCU, that's why you need specific software

BTW, CarSoft is very user-friendly, but it doesn't have the capabilities of the Xentry system.

P.S @jhby@qis.net - I'm glad you like it, we have one of the finest production lines in Europe.
Well, you're in Bulgaria, so you don't have the various options we do here. A very simple US $40 reader can plug into the OBD-II port of North American cars and read and clear codes...and it's much easier and cheaper than carsoft. But it will not clear some hard set codes, including transmission and airbag. Thus my suggestion that the casual DIY-er not pursue carsoft, because it is overkill for 99% of the stuff they'll ever care about.

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#10 (permalink) Old 04-21-2010, 12:29 AM
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@redwood - I'm pretty sure that some of those codes are ONLY for w210. Probably there are differences between the newer models(like w211/w212), but I'm not sure of it.
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