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Started the E350 today and "Alternate Battery Malfunction"

Customer Question
Started the E350 today...

Started the E350 today and "Alternate Battery Malfunction" in yellow came on. What is happening?

Mechanic's Assistant: Will the headlights turn on? Is the battery fully charged?

Headlights, radio, A/c are all working, I don't get a red battery displayed

Mechanic's Assistant: What year is your E350?

2014

Mechanic's Assistant: Are you fixing your E350 yourself? What have you tried so far?

I don't work with cars - I just take it to the dealer for service or any problems

Submitted: 3 months ago.Category: Mercedes
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Answered in 39 minutes by:
3/24/2018
Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 3 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Mercedes
Satisfied Customers: 5,632
Experience: Owner at Carolina Auto Service & Sales , 20 years experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 3 months ago

The message Alternate battery malfunction is coming on ,is you need to replace the battery on side of dash

We have 2 batteries in this car one in thE trunk and another one ON THE SIDE THE DASH h

There battery in the dash (driver side). you need to remove a lower dash panel and the panel on the side of the dash (which you can only access with the door open) in order to access and replace the battery.

The cost should be around $200, I suggest you let the dealer install this and suggest a Mercedes brand one for that specific battery .

CLICK ON LINK TO VIEW THE REMOVE AND REPLACE OF THE ALTERNATE BATTERY AND THE LOCATION OF IT ON SIDE OF DASH

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Mercedes Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 3 months ago

Hey, Just checking to see if you need any additional help on it

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Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Mercedes
Satisfied Customers: 5,632
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