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Related Mercedes Questions
Red reduced braking effect comes on as soon as I unlock the
Red reduced braking effect comes on as soon as I unlock the door and the red battery icon. Also my radio will not come on. I assume it was the auxillary battery. … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
The dealer says my GL450 auxiliary battery has failed and is
The dealer says my GL450 auxiliary battery has failed and is asking for $450 to replace it. I recently replaced the main battery. It is <1 year old. After coming back from 2 week vacation, the car … read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
My 2011 gl450 with new battery starting ver weak or very
My 2011 gl450 with new battery starting ver weak or very late … read more
JOHN aka Eauto
JOHN aka Eauto
self employed
High School or GED
11,207 satisfied customers
I have a 2005 Mercedes E55 AMG. A couple of days ago the car
I have a 2005 Mercedes E55 AMG. A couple of days ago the car spiked to 15.7 volts, numerous warning lights came on and the car went in to 2nd gear limo mode. I changed the battery as well as the volta… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,916 satisfied customers
Pearl, I have an E320 2005 and the battery light came on.
hi pearl, I have an E320 2005 and the battery light came on. I put on a new belt and had the local auto shop check the alternator and battery which checked out fine. The auxiliary battery was a little… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,916 satisfied customers
I have had to replace 3 alternators in my 06 r350 since
I have had to replace 3 alternators in my 06 r350 since 1-3-16. Each time O'Reilly says their regulator has failed. I doubled checked with MB parts and it needs to be 180 amp and it is, is there somet… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,916 satisfied customers
My red battery light came on m 2008 Mercedes GL320 cdi. I
My red battery light came on m 2008 Mercedes GL320 cdi. I charged the battery for about 8 hrs then went to work. Tonite I checked the voltage on my ohmmeter it said 12.9 . I checked the voltage on the… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,628 satisfied customers
E55 AMG: When I start my 2004 E55 AMG, the following message
When I start my 2004 E55 AMG, the following message appears on the instrument cluster message center momentarily ..."SOS TELE AID NOT ACTIVATED, ".... Periodically, when I am driving, this message app… read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,916 satisfied customers
CLK 320 CONVERTIBLE: I have a Mercedes Benz 2005 MERCEDES
I have a Mercedes Benz 2005 MERCEDES BENZ CLK 320 CONVERTIBLE. The message visit work shop is (red) stating battery problem. I own an import shop in Deep South Texas and have seen this before and its … read more
Lou P. master tech
Lou P. master tech
Mercedes Technician
Bachelor's Degree
6,916 satisfied customers
Mercedes-Benz SL55 AMG: I have a 2003 SL55 AMG (with the supercharger)
I have a 2003 SL55 AMG (with the supercharger) with 44K miles. I replaced the trunk battery this past February (the car will sometimes sit for a couple of weeks during the winter) and it seems to be w… read more
Brendan Block
Brendan Block
Technician/Motor Swap Specialist
259 satisfied customers
R350: Need to know how the auxilary battery gets charged
Need to know how the auxiliary battery gets charged. And where the Auxiliary Battery Relay is located along with the specs of how much charge is the battery suppose to have. We purchased a new aux bat… read more
Marty
Marty
Mercedes Technician
Associate Degree
29,460 satisfied customers
GL450: I bought a used gl450 over the weekend. Before I bought
I bought a used gl450 over the weekend. Before I bought it I had it checked by a mercedes dealer. He said there was a battery code that referenced the aux battery. As I drove the car home form the use… read more
Hipo64
Hipo64
Mercedes Technician
High School or GED
444 satisfied customers
E320: I have a 2003 E320 sedan. My alternator was replaced
I have a 2003 E320 sedan. My alternator was replaced by a friend. I still get the warning that I have an electrical problem and all accessories have been switched off. Both batteries have been replace… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
mercedes: alternator..voltage ok..warning..ideas please
hi mercedes 220cdi 2002 warning on dash= battery/alternator fault battery changed alternator checked charging on test bench. current and voltage ok at battery even when warning is showing any ideas pl… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
2007 MERCEDES GL450: INDICATOR LIGHT..REAR BRAKE PADS..REPLACING
I have a 2007 MERCEDES GL450 AND THE INDICATOR LIGHT HAS COME ON THE DASH INDICATING I NEED BRAKES.IS THERE ANYTHING SPECIAL I NEED TO KNOW ON CHANGING THE FRONT AND REAR BRAKE PADS AND RESETTING THE … read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
I have a 1998 SLK 230... I left the headlights on one night.
I have a 1998 SLK 230... I left the headlights on one night. Battery was obviously dead the next morning. So I got it jump started, that took me about two blocks. I now got the Alternator changed, and… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
Mercedes red battery light is on saying visit workshop
I have a E240 and just changed the small battery and now the battery warning comes on.......saying please visit workshop....the garage told me this is nothing to worry about. However very annoying on … read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
I put the battery back into my Mercedes W140 S320 the wrong
I put the battery back into my Mercedes W140 S320 the wrong way round, i.e. reverse polarity. Some heavy current flowed for a while, evidenced by the falsh when I connected the second terminal. I real… read more
Steve
Steve
Vocational, Technical or Trade Scho
204 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

6,916 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.

< Previous | Next >

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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