E-Class (W211) 2003-2009

Quick Battery Question.

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Jan 2, 2013 | 04:26 AM
  #1  
AMGAffalterbach's Avatar
Thread Starter
MBWorld Fanatic!
 
Joined: Aug 2011
Posts: 3,184
Likes: 16
From: Highlands Ranch, Colorado
2014 BMW M235i
Quick Battery Question.

Just a simple question. If one of the two batteries is dead (main v. aux) will the car still be able to start? Thanks.
Reply
Old Jan 2, 2013 | 05:16 AM
  #2  
Harrys500's Avatar
Junior Member
 
Joined: Nov 2012
Posts: 39
Likes: 2
From: Sweden.
W211 E500 -03
If the main is dead the car propably is dead too, in other words it will not start.
If the aux is dead You would have difficulties using convenience equipment i believe. To that You'll have a lot of different alarms ringin during power up and driving...

..............**Thanks**.
Reply
Old Jan 2, 2013 | 04:31 PM
  #3  
Long Islander's Avatar
Super Member
20 Year Member
Photogenic
Photoriffic
Liked
 
Joined: May 2003
Posts: 968
Likes: 77
From: Long Island, New York
2018 E400 4matic Wagon
ARe you sure you even have an aux battery? I thought that ended in 2006.
Reply
Old Jan 2, 2013 | 07:42 PM
  #4  
AMGAffalterbach's Avatar
Thread Starter
MBWorld Fanatic!
 
Joined: Aug 2011
Posts: 3,184
Likes: 16
From: Highlands Ranch, Colorado
2014 BMW M235i
Whoops I think you're correct, upon further reading the Aux battery was no longer needed as the SBC system was also eliminated with the W211 facelift. Even on the pre-facelift, the Aux battery is on a separate relay that cannot power the starter motor and may not even be powerful enough to.
Reply
Old Jan 2, 2013 | 08:04 PM
  #5  
jimbo1763's Avatar
Senior Member
 
Joined: Oct 2011
Posts: 314
Likes: 29
From: Coastal Georgia, USA
2007 E350 Sedan
Originally Posted by AMGAffalterbach
Whoops I think you're correct, upon further reading the Aux battery was no longer needed as the SBC system was also eliminated with the W211 facelift. Even on the pre-facelift, the Aux battery is on a separate relay that cannot power the starter motor and may not even be powerful enough to.
My wife's car is a 2006 E350. I have a 2007 E350. Both are facelift cars. Hers has an aux battery, mine does not.
Reply
Old Jan 2, 2013 | 08:17 PM
  #6  
AMGAffalterbach's Avatar
Thread Starter
MBWorld Fanatic!
 
Joined: Aug 2011
Posts: 3,184
Likes: 16
From: Highlands Ranch, Colorado
2014 BMW M235i
Yeah I've confirmed that Model Year 07 was when they discontinued the Aux battery no need for it. Thanks.
Reply

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


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


All times are GMT -4. The time now is 12:48 PM.

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