E-Class (W211) 2003-2009

w211 trailer hitch wiring diagram

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Old Oct 11, 2012 | 02:31 PM
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Gcl 220d 2018
w211 trailer hitch wiring diagram

Hi

Today i install a used trailer hitch to my s211 (2005) E class.
The only probleme is that the plug (to connrct to the fuse box) is missing

I want to ask if enyone have the wiring diagram for this model.

Thanks







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Old Dec 7, 2015 | 01:57 PM
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I ask fron 2012 about trailer wiring with no luck :-)
I find all original wires. The installation is ready now
I want to ask if enyone know how to code it with mob star.

Thanks
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Old Dec 7, 2015 | 02:26 PM
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Overall: http://workshop-manuals.com/mercedes...trailer_hitch/ + next pages

Harness: http://workshop-manuals.com/mercedes...es/page_21353/ + next pages

Last edited by konigstiger; Dec 7, 2015 at 02:44 PM.
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Old Dec 7, 2015 | 02:35 PM
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I ask how can I code it with mb star.
The control unit has to know that I install a trailer.
How can I do that.
All the parts I use is original
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Old Dec 7, 2015 | 03:04 PM
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Looks like you are in Europe with this electric hitch?
Would you mind to share the wiring pictures?
I want to put hitch on my wagon, but in US they are very rare.
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Old Dec 8, 2015 | 04:06 AM
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Old Dec 21, 2015 | 05:29 AM
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AHE is the trailer control unit.
I have to do something?
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Old Dec 21, 2015 | 03:05 PM
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Originally Posted by yiannossavva


AHE is the trailer control unit.
I have to do something?
yes, change coding to present if you haven't.
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Old Dec 21, 2015 | 03:30 PM
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Originally Posted by cmriv
yes, change coding to present if you haven't.
Thanks for reply
How can i do that?

Thanks
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Old Dec 22, 2015 | 09:56 AM
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Originally Posted by yiannossavva
Thanks for reply
How can i do that?

Thanks
highlight it and click f3
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Old Dec 26, 2022 | 12:55 AM
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Being in the US, and able to obtain the harness and module, would it be worth it to make this work? I'm wanting to minimize hacking. How does this wire harness connect to an trailer socket (perhaps it's different between US/North America and elsewhere)?

NOTE: Just wanting to be as safe as possible should I bother with a lightweight trailer. I have a truck and trailer with four-wheel electric brakes and KNOW that trailer brakes are a good thing!
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