E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

E420 loosen ecm wire

Old Feb 18, 2014 | 12:05 PM
  #1  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
E420 loosen ecm wire

Hello..

I would need some kind of wiring diagram for that ecm wiring connector, because i have no idea where this wire is from. And im not even sure was it on loose already or did i accidentially pulled it off when i took ecm off.

Wire is red with green stripe.

E420 loosen ecm wire-j45zpnp.jpg


Thanks already, and sorry for my bad english.. mine native language is finnish.
Reply
Old Feb 19, 2014 | 05:53 AM
  #2  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Yeah, that sure is a good word.

That wire is red with green stripe. I opened that connector to ecm, but i couldn't find out where is it from.
Reply
Old Feb 19, 2014 | 03:16 PM
  #3  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Ok, WDB2102721A262905.

I'm able to look for those wires only in next weekend, because I'm not home right now.

But last time I did check that big connector and I didn't noticed any pins without wire.. On the other hand, I'm not 100% sure. It surely would be alot easier knowing the right pinout.
Reply
Old Feb 19, 2014 | 05:10 PM
  #4  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
I have to check that as soon as I can.. Thanks alot!

I'll reply when there's some progress.

Reply
Old Feb 20, 2014 | 03:25 PM
  #5  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Just get to my car and looked that connector, but..

No. 48 = white
No. 49 = black
No. 53 = brown/white
No. 40 = 2 green wires

So, should i put that rd/gr to no. 44 or what? There is no connector for that wire..
Reply
Old Feb 21, 2014 | 04:06 AM
  #6  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Nope, i have looked already for a connector without a wire but no luck.

Maybe there is a reason why its loose? I dunno...


Originally Posted by Plutoe
I can confirm 49,53 and 40----however on the drawing for your car, position 48 is showing (gn)=green----why the difference---I can only speculate and I will not!!

FYI, the wire has to have a connector(pin or blade) for the data to flow to the ECU---are there any positions that have a connector but no wire???
Reply
Old Feb 22, 2014 | 02:19 PM
  #7  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Nope, no any metal in connector.. and yes, that wire comes from same wiregroup to ecu.
My car wont start.. it cranks but just wont start. Somekind of immobiliser problem.
But i have ordered new key and probably will work after that - i hope.

If i recall, error code was p1570. Something of ifz.
Reply
Old Feb 25, 2014 | 05:19 AM
  #8  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
I guess hockey is pretty popular in Finland and that's why we have so good players too.
Bronze is really good, but gold would have been alot better.. heh.


Actually my car hasn't been running since last october. I had my engine off and worked with some rust. So there might be just some wire loose or something.. i dunno.

But before that it worked like a charm.
Reply
MB World Stories

The Best of Mercedes & AMG

story-0

6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

 Verdad Gallardo
story-1

Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

 Verdad Gallardo
story-2

Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

 Verdad Gallardo
story-3

8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

 Verdad Gallardo
story-4

Flawlessly Restored Mercedes 190E Evo II Heads to Auction

 Verdad Gallardo
story-5

Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

 Verdad Gallardo
story-6

Mercedes EQS Gets A Major Update: Everything You Need to Know

 Verdad Gallardo
story-7

5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

 Verdad Gallardo
story-8

Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

 Verdad Gallardo
story-9

10 Most Reliable Mercedes-Benz Models You Can Buy Used

 Verdad Gallardo
Old Mar 1, 2014 | 09:23 AM
  #9  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
I received new key fob and surprise surprise.. key wont turn. Key was right, but lock cylinder not. So i swapped old key to new remote and tried to start - nope, it wont start. Same thing, same fault code(s).

And now even the remote lock wont work if I push button from key fob.. there is no red or green light.

Damn, this thing is driving me crazy.

I have attached those fault codes what carsoft gave.. hope it will give at least somekind of clue.
Attached Files
File Type: txt
diagnosis.txt (5.1 KB, 558 views)
Reply
Old Mar 1, 2014 | 11:59 AM
  #10  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Talking

Well it's not long story, i bought this car in last august from private seller. Then i drive it for a month and took the engine off to repair all those rusty spots.

And now the situation is that i have finally managed to get engine to it's rightfull place but it wont start.. it cranks but will not fire.

Car's history is mystery to me.

New key is real deal from dealer, straight from German. And i only bought it because I only had one key.

I wouldn't count for all those fault codes, it's not star diagnosis.. just a crappu carsoft.
Reply
Old Mar 1, 2014 | 12:00 PM
  #11  
mpaavi's Avatar
Thread Starter
Junior Member
 
Joined: Feb 2014
Posts: 19
Likes: 0
w210 e420 -96
Oh, and I dont know if the ecu is changed or if it is - who did it.
Reply
Old Feb 5, 2017 | 12:20 AM
  #12  
jguico44's Avatar
Newbie
 
Joined: Feb 2017
Posts: 2
Likes: 0
!997 mercedes benz E420
e420 1997 control module wire loose

color red & yellow wire is loose, Can someone help me where this wire should be? it is the same color on Number 2 wire?
Vin #wdbjf72fiva304726



Mr Mpaavi, Do u still have your car? We have the same problem but different wire color I can help u since my module wiring harness is also open!!
Attached Thumbnails E420 loosen ecm wire-e420-1.jpg   E420 loosen ecm wire-e420-3.bmp  

Last edited by jguico44; Feb 5, 2017 at 12:23 AM.
Reply
Old Nov 15, 2018 | 10:31 AM
  #13  
AndrewRomania01's Avatar
Newbie
 
Joined: Nov 2018
Posts: 1
Likes: 0
W140 W210 W220 C140
Originally Posted by jguico44
color red & yellow wire is loose, Can someone help me where this wire should be? it is the same color on Number 2 wire?
Vin #wdbjf72fiva304726



Mr Mpaavi, Do u still have your car? We have the same problem but different wire color I can help u since my module wiring harness is also open!!
hey.....please help me with some pictures of that connector and I will make clear pictures for you.....im also missing the place for the red green wire my email adress is tm86vld@yahoo.com ...please help me.thanks a million
Reply
Old Apr 7, 2019 | 09:05 AM
  #14  
Aliyu Abba's Avatar
Newbie
 
Joined: Apr 2019
Posts: 1
Likes: 0
Benz e420 w210
Help please

Please did you manage to find where that wire goes, I have the same as yours and I'm puzzled as well. Thank you

Originally Posted by mpaavi
Hello..

I would need some kind of wiring diagram for that ecm wiring connector, because i have no idea where this wire is from. And im not even sure was it on loose already or did i accidentially pulled it off when i took ecm off.

Wire is red with green stripe.




Thanks already, and sorry for my bad english.. mine native language is finnish.
Reply

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 

Thread Tools
Search this Thread
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes,  average.


All times are GMT -4. The time now is 01:00 PM.

story-0
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-1
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-2
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-3
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-4
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-5
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-6
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-7
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-8
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE