S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

M278 wiring sockets change.

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old 08-12-2022, 01:16 PM
  #1  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
M278 wiring connector change.

M278 - I have to change some of the wiring harness connectors, to the ignition coils and the injectors, as they are very fragile and brakes into pieces.

Can someone please help me with information ther to buy new connectors ?

Good day and happy weekend.

Last edited by Timo Schroeder; 08-12-2022 at 03:37 PM.
Old 08-15-2022, 12:10 PM
  #2  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,448 Likes on 3,155 Posts
'71 Pinto
Connectors not referenced/shown in parts any part #s stamped anywhere.
Old 08-15-2022, 12:16 PM
  #3  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
Originally Posted by konigstiger
Connectors not referenced/shown in parts any part #s stamped anywhere.
Thanks - meaning it's not possible to get new ones?
Old 08-15-2022, 12:19 PM
  #4  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,448 Likes on 3,155 Posts
'71 Pinto
At least not from MB.
Old 08-15-2022, 12:21 PM
  #5  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
Originally Posted by konigstiger
At least not from MB.
Woooo - sounds not good.
Old 08-15-2022, 12:22 PM
  #6  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,448 Likes on 3,155 Posts
'71 Pinto
See attachment.
Attached Files
File Type: pdf
Parts_Information.pdf (119.4 KB, 84 views)
Old 08-15-2022, 12:30 PM
  #7  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
Originally Posted by konigstiger
See attachment.
Grand - thanks for your help.
Old 08-15-2022, 12:52 PM
  #8  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
Originally Posted by konigstiger
See attachment.
Just a question - if I can get a brand new wiring harness number A 278 150 31 20 - could that be great?
Old 08-15-2022, 01:48 PM
  #9  
Out Of Control!!
 
konigstiger's Avatar
 
Join Date: Jul 2003
Location: North Scottsdale, AZ
Posts: 15,903
Received 4,448 Likes on 3,155 Posts
'71 Pinto
Yes need to replace harness connectors are not available separately from MB. Shop 2781501620, 2781503120, 2781504720, 2781507720 used or 2781503120, and 2781507720 new - all compatible.
Old 08-15-2022, 01:58 PM
  #10  
Member
Thread Starter
 
Timo Schroeder's Avatar
 
Join Date: Apr 2022
Posts: 195
Received 39 Likes on 19 Posts
Class S 500 M278
Originally Posted by konigstiger
Yes need to replace harness connectors are not available separately from MB. Shop 2781501620, 2781503120, 2781504720, 2781507720 used or 2781503120, and 2781507720 new - all compatible.
Thanks you're my hero 😌 - good day.

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


You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: M278 wiring sockets change.



All times are GMT -4. The time now is 08:40 AM.