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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #1
I have noticed this code has been there recently and wondering what it is so i can get it fixed before winter hits!
 

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2000 ML430 (Sold)
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1,209 Posts
I cant find any information on a Mercedes code 7200. Where did you get that number?
If its code P0720 then you need to check out the 13 pin connector at the transmission.

Thank 43sqd for the pdf.
 

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Outstanding Contributor
2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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4,405 Posts
Perhaps a faulty speed sensor is causing your BAS/ESP light. (That would be code P0720.)
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #4
When i have the benz on, theres a stick like button that i press and then i come to a wrench like figure with a number 7200. That us exactly what it shows.

Also for the other problem im having, i believe there is a wure nissing from the bearing. Will have to order that wire monday and that light should come off
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #6
that makes total sense, i remember when i took it to the shop someone told me i have to find out what that "code" is for; to see what is wrong.. haha, ever since it was in my head to find out what it is. well at least i know my benz is running well except for that light that is on. thanks for the help guys!
 

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2000 ML430 (Sold)
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1,209 Posts
Make sure there isnt a minus sign before the 7200. It isn't a dash if there is one

Sent from my GT-I9000M using AutoGuide.Com Free App
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #10
nope, confirmed that there is no minus before the number, just wondering; if there is a minus, what does that mean? it needs to be serviced?
 

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Outstanding Contributor
2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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The service indicator reads distance or time until next service is due. After it counts down to zero it goes minus.

Have you reset your steering angle sensor yet? If not, why not?

A light read through your owner's manual is well overdue.
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #13
no i have not reset that, as to i dont really know what that does. yeah i do have to take a spin through the manual!
 

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Outstanding Contributor
2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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Look up ESP in the index, and it will direct you to a page with instructions on how to reset the steering angle sensor, and turn off your ESP warning light.

In this case, ESP doesn't mean your ML has read your mind and knows you haven't opened the owner's manual.
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #15
yeah, i already read through that, will read it over again, something about turning the wheel all the way to the left and pressing a button; but i remember when i got my back bearing changed i believe the guy broke a wire that connects to the bearing.. dont really know exactly what, but i think that is also a reason why this light is on because i remember when i drove off, in less then 5 min this light came on and has been on
 

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2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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If the mechanic broke a wire while working on your car, it's his responsibility to fix it, at his expense. You should have returned ASAP. It's a bit late now.

That wire could have connected your speed sensor. That would cause BAS/ESP warning light.
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #17
yea i know that, it was a close friend who did some work on it. oh well it has to be fixed! :bowdown:
 

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2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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Next time you get your friend to work on your ML, print out the official MB instructions from this forum. As used by qualified MB technicians. Diagrams and photos are also available.
 

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2009 Mercedes Benz ml320 diesel
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85 Posts
Discussion Starter #19
apperciate the help! can you direct me to where exactly i can find this? always good to download a copy and have it with me
 

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2002 ML320, 2003 A160, 2002 ML500, 2018 GLS350d
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There's a treasury of DIY how-to's at the site this links to: The M-Class Outpost - The M-Class Enthusiasts' Site

On the first page of this forum is a New Member's Guide and 2 rows below is a thread of DIY links.

If you can't find it in one of those places, or the sites listed in the Guide, then consult your owner's manual. Then post here for more help.
 
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