R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

SERIOUS ELECTRICAL GREMLINS - DESPERATELY NEED HELP

Old Oct 28, 2017 | 11:50 AM
  #1  
JGR350BlueTec's Avatar
Thread Starter
Newbie
 
Joined: Oct 2017
Posts: 9
Likes: 2
R350 BlueTec
SERIOUS ELECTRICAL GREMLINS - DESPERATELY NEED HELP

My 2011 Bluetec has developed some crazy electrical gremlins. The following list of things all go out together as package deal: turn signals, horn, washers, high beams, power steering wheel adjustment, cruise control inoperative, tire pressure monitor inoperative, SRS warning light comes on, can't shift E/S, can't turn off traction control, radiator fan comes on high. (think thats everything)

I have spent $2500 at the dealer to replace various control modules they thought must have "gone bad" to no avail.

Anybody have any ideas at all?

Thanks,
Reply
Old Oct 28, 2017 | 08:39 PM
  #2  
imstock's Avatar
Junior Member
 
Joined: Oct 2017
Posts: 35
Likes: 3
2007 r320
Have you checked ALL of your fuses?
Reply
Old Oct 31, 2017 | 10:40 PM
  #3  
NatPrimus's Avatar
Newbie
 
Joined: May 2013
Posts: 10
Likes: 2
2009 R320 CDI Bluetec
I had something very similar that knocked out the radio/satellite radio module. It was due to water intrusion in the battery compartment coming from the firewall.
Reply
Old Nov 1, 2017 | 10:56 PM
  #4  
efzauner's Avatar
Super Member
15 Year Member
Photogenic
Liked
Loved
 
Joined: Jul 2009
Posts: 938
Likes: 53
From: Montreal, Canada
2005 C240 2011 R350
Originally Posted by JGR350BlueTec
My 2011 Bluetec has developed some crazy electrical gremlins. The following list of things all go out together as package deal: turn signals, horn, washers, high beams, power steering wheel adjustment, cruise control inoperative, tire pressure monitor inoperative, SRS warning light comes on, can't shift E/S, can't turn off traction control, radiator fan comes on high. (think thats everything)

I have spent $2500 at the dealer to replace various control modules they thought must have "gone bad" to no avail.

Anybody have any ideas at all?

Thanks,
They replaced modules, charged you for it, but the problem was not fixed? None of the changed modules fixed anything? Something seriously wrong with your mechanic and dealer. Escalate...
Reply
Old Nov 9, 2017 | 10:19 AM
  #5  
fayt's Avatar
Newbie
 
Joined: Nov 2017
Posts: 3
Likes: 0
2012 BMW X1
Is there any update on this? I work at a car dealership and we have a 2011 R350 Bluetec that I am thinking about buying, but it is doing the same thing. Except once the vehicle shuts down it will not start back up for quite sometime. A warning light will start to flash that says to drive to a dealership without shifting gears.
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 11:26 AM.

story-0
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know

Slideshow: Mercedes-AMG's new electric GT 4-Door Coupe trades combustion for software, synthetic noise, and more than 1,100 horsepower.

By Verdad Gallardo | 2026-05-20 20:08:15


VIEW MORE
story-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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