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How many batteries are in a 2007 Mercedes S600? I replace
How many batteries are in a 2007 Mercedes S600? I replace the main battery in the trunk and discovered another battery under the hood on the passenger side. I was told that was an auxiliary battery. I… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
I have a 2003 E320, the last couple of days a message came
i have a 2003 E320, the last couple of days a message came up on my dash "malfunction, electrical consumers switched off" - my radio stopped working yesterday and today when i went in my garage to sta… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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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
I suspect that the front passenger seat occupancy sensor in
I suspect that the front passenger seat occupancy sensor in my 2003 E320 Mercedes sedan has gone bad. The red light for the passenger airbag remains lit and I have a white SRS malfunction warning on t… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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I bought a used 2003 SL500 about 18 n=months ago; had 36k
I bought a used 2003 SL500 about 18 n=months ago; had 36k miles. It's been a lot of fun, but recently the top malfunctioned. Mercedes dealership here quoted $6,925 to fix. After picking it up, I took … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
On a 2003 MB e320 sedan how can i test the K57/2 battery
on a 2003 MB e320 sedan how can i test the K57/2 battery relay and the battery control module. i have a new rear battery (main), a new alternator and an auxiliary battery that test as good on a load t… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
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014 Mercedes Benz 350E, 2014 350E with message "Auxilliary
2014 350E with message "Auxilliary Battery Malfunction" … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
This question is regarding my 2003 Mercedes E320 sedan
This question is regarding my 2003 Mercedes E320 sedan (base, not 4matic). The VIN is WDBUF65J03A176211. I suspect it most likely needs a new battery control module. The battery in the trunk was repla… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,646 satisfied customers
I recently get 1 malfunction message that says "electrical
I recently get 1 malfunction message that says "electrical consumers switch off" on my 2003 Mercedes e320. My mechanic said it could be batteries so I bought a new one but it did not resolve it. Then … read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
The same car shows the auxiliary battery malfunction on the
The same car shows the auxiliary battery malfunction on the dash, what is the cause and what shall I do?… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
E320: E320 2003 malfunction electrical consumer switched off.
E320 2003 malfunction electrical consumer switched off. Both the main and consumer batteries have been replaced and pass the voltage test… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
SL500: I used you guys in the past for my 2007 Lincoln, but
I used you guys in the past for my 2007 Lincoln, but I have a problem now with my 2004 Mercedes SL500. Again, I have a 2004 Mercedes SL500. Am having a problem with my trunk latch. I close it and the … read more
Marty
Marty
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Associate Degree
29,460 satisfied customers
Mercedes-Benz E320: I have a 2003 Mercedes E320 VIN #
I have a 2003 Mercedes E320 VIN # WDBUF65JX3A209019 A(NNN) NNN-NNNN Car will start out working ok but it seems on hot days after a short period of driving the following will happen: “Consumer Electric… read more
Stan
Stan
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2003 E320: Mercedes..the car no interior lights on dash at all..Aux
Mercedes 2003 E320 tried to start the car no interior lights on dash at all. Main battery tried to charge and it didn't require a charge. Could it be the Aux battery?… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
2002 e320: malfunction..power windows..comes back..me! Mercedes
Hi, my name is XXXXX XXXXX I purchased a 2002 e320 in 2007 - I have quite a few electrical problems with it and have spent over $6,000 at my Mercedes dealer - There is one problem that will go away fo… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
2001 E320: whining sound..cuts..the check engine light stays
when i try to start my car (2001 E320) it sounds like it's trying to turn over, makes a whining sound and then cuts off. When it does start, the check engine light stays on but the malfunction light s… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2003 sl500: the winter in a heated warehouse..batterys..trunk
i'm planing on storing my 2003 sl500 for the winter in a heated warehouse. sl500 have 2 batterys one in the front and one in the trunk.now where should i install the battery maintainer? front or back?… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
2003 500sl: manually open..keyfob) the car indicators..main battery
I have a 2003 500sl. When I try to either automatically or manually open it (with the carkey that is inserted in the keyfob) the car indicators quickly flash 3 times and the car remains locked. The ca… read more
nelson garcia
nelson garcia
auto mechanic
Vocational, Technical or Trade Scho
270 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

6,646 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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