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2009 S550 with option 97A 'one battery' mod. This morning
2009 S550 with option 97A 'one battery' mod. This morning after a night at -2F the car started fine but it displayed "Auxiliary battery malfunction". I experienced no problems and on subsequent starts… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I own a 2015 MB C300 sedan. This morning a system message
I own a 2015 MB C300 sedan. This morning a system message appeared on the center screen (same screen that shows speedometer, etc.) saying Auxiliary Battery Malfunction. I have only owned the car for 4… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Auxiliary battery malfunction. It came on while driving
It came on while driving haven't had time to investigate. What does it service ? … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2015 s550 aux battery malfunction. Want to replace myself.
2015 s550 aux battery malfunction. Want to replace myself … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
How to replace auxiliary battery on a 2009 Mercedes benz
how to replace auxiliary battery on a 2009 Mercedes benz s550 … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
A warning message on my E400 wagon says "auxiliary batter
A warning message on my E400 wagon says "auxiliary batter malfunction". As a result the cruise and hold function are not working. The owners manual does not mention an "auxiliary battery" … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
My wife has a 2015 mercedes c class that the auxiliary
My wife has a 2015 mercedes c class that the auxiliary battery malfunction error came on. I have looked all through the manuals and cannot find anything that discusses this warning. is this car safe t… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2009 S-550 Mercedes. Getting message "Auxiliary Battery
2009 S-550 Mercedes. Getting message "Auxiliary Battery Malfunction" Where is this battery located. I looked in trunk between cabin and trunk and under passenger seat but can't locate.… read more
Chris
Chris
15,302 satisfied customers
The auxiliary battery malfunction just lit up in my dash,
the auxiliary battery malfunction just lit up in my dash … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
Auxiliary battery malfunction, do you think it is the main
service centre is 200kms from us and we want to know if it is likely to be something simple … read more
Dan
Dan
Dealership Technician
Associate Degree
2,212 satisfied customers
Where is the auxiliary battery in a 2015 MB S550. Just need
Just need to know where the Auxiliary battery for a 2015 MB S550 is … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
Clk320: I was wondering if my 2005 clk320 have an auxiliary
I was wondering if my 2005 clk320 have an auxiliary battery,and if so the location of it.I can't afford to send it to MB… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
4,460 satisfied customers
ML320 bluetec: Just had the battery changed at Autozone in
Just had the battery changed at Autozone in our 2009 ML320 Bluetec, 89k miles. Bizarre problems immediately ensued. I am part way through trouble-shooting and fixing the issues from this battery repla… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
s550 4matic: I have a 2008 s550 4maic (65k mi ) Car has been
I have a 2008 s550 4maic (65k mi ) Car has been great. This weekend when stopped at a traffic light car went dead. Still had radio,etc. but could not get out of park to restart. 15-20 sec later went i… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
30,665 satisfied customers
mercedes: my dealership..opted to have vehicle towed in)..drained
Hi -- I have not received an answer from my dealership yet, but is there an explanation for why in Feb 2011 my auxiliary battery failed (warning told me to get car to service asap as battery was not p… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
warning signal popped up indicating airfactor -- Stop car is too low.
I have an S 430,2000. 124K miles. A warning signal popped up indicating Airfactor -- Stop car is too low. And indeed, when I got out to look the car was quite low to the tires. Nothing was rubbing. Th… read more
hauto
hauto
Operate own repair shop
Bachelor's Degree
2,719 satisfied customers
C230 kompressor: Merc..maintained..MB and has had zero faults
I have a June 2002 Merc C200 Kompressor, owned from new. It has been regularly maintained by MB and has had zero faults up to today. It has covered only 40,000 kilometres to-date. Recently, the batter… read more
MasterTech Dave
MasterTech Dave
Technician
Vocational, Technical or Trade Scho
108 satisfied customers
cuts..20 min..petrol pump from the tank had it check but nothing wrong
My M320 1999 cuts out while driving for no reason and do not want to start again, the starter turnes the motor with no reaction, or after I drive to the shop and return it has the same symptoms. After… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

29,460 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

Mercedes Technician

4,460 satisfied customers

20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

643 satisfied customers

Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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