When to replace auxiliary battery in Mercedes Benz?
So Mercedes-Benz has incorporated an auxiliary battery to run the extra systems, leaving the main battery topped up and ready to go. Occasionally, these auxiliary batteries in your w212 go bad and need to be replaced. If the battery malfunction message has illuminated on your dash, it’s time to get out the tools and do the replacement yourself.
How to diagnose your Mercedes auxiliary battery malfunction SG?
Another way to diagnose a potential auxiliary battery malfunction is by using an OBD scan tool which will allow you to read the detailed diagnostic information about your vehicle down to specific error codes so that you can be sure of what the problem is.
Can a battery malfunction on a Mercedes Benz?
Mercedes-Benz Auxiliary Battery Malfunction Explained Mercedes-Benz models are well-known for their impressive technology list, and many of their modern cars have two batteries – the main battery and an auxiliary battery. If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard.
Which is the second model of Mercedes battery?
N000000004039 A000000004039 12V 1.2Ah lead-acid battery is second model of the auxiliary battery also known as backup battery used for other mercedes cars such as GL X164 GL450 GL550 GL350 GL320 S-class W220 W221 S320 CL-class W216 CL550 CL600 CL63, R-class W251 R350, ML-class W164 ML250 ML300 ML350 and many other.
What do Mercedes auxiliary batteries do when the battery dies?
Mercedes auxiliary batteries occasionally operate in conjunction with the main systems battery or take over for it when that battery dies or has extremely low voltage.
What kind of battery does a Mercedes 4Matic have?
My 2010 E550 4Matic recently started giving me the “auxiliary battery malfunction” warning right after start up. I checked the charging system, it shows 13.9-14.5 volts when running and the main battery shows 12.9 volts and 95 % charge when the vehicle is not running.
When to replace battery in Mercedes medic medic?
Make sure you have a fully charged battery. If your battery is over 6 years old, you should consider replacing it to avoid further electrical nightmares. You can save on the cost of the battery by purchasing it online. For example, see this list of AGM Group 94 batteries for Mercedes-Benz on Amazon. Turn off the lights.
What to do if your aux battery malfunctions?
Click to expand… Have dealer check VMI to see if there any outstanding Service Campaigns (i.e.: 2009110003, 2010030010) for your VIN, if so repair is free even out of warranty. No open campaigns, correct battery/correctly installed need to have someone pull fault codes using MB diagnostics, may be as simple as clearing stored codes.
How do you replace a Benz E320 E430 battery?
Remove the negative battery terminal using a 10 mm wrench. Remove the positive battery cable from the battery post terminal. Remove the 13 mm bolt that hold the battery in place. Once the bolt is removed the battery comes right out. Be careful to not injure yourself, these batteries are heavy.
How do I replace the battery in my Mercedes E-class?
Remove the Phillips screws on the lower dash panel (2), and detach it. With your ratchet and socket, remove one bolt (5) from the panel covering the auxiliary battery (G1/7). Behind the panel, unbolt the bracket (3) holding up the battery. Disconnect the positive and negative leads (6) from the battery.
How to replace auxiliary battery in Mercedes E-class?
Use a trim removal tool to pry off the fuse box access panel (1) on the side of the dash. Remove the Phillips screws on the lower dash panel (2), and detach it. With your ratchet and socket, remove one bolt (5) from the panel covering the auxiliary battery (G1/7). Behind the panel,…
Where is the auxiliary battery on a Mercedes Benz W211?
This guide provides instructions on how to replace the auxiliary battery from 2003 through 2009 Mercedes-Benz E-Class W211 vehicles such as E320, E350, E500, E55 AMG, E63 AMG. Open the hood and locate the auxiliary battery on the passenger side of the engine bay.
Mercedes-Benz Auxiliary Battery Malfunction Explained Mercedes-Benz models are well-known for their impressive technology list, and many of their modern cars have two batteries – the main battery and an auxiliary battery. If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard.
Is the Mercedes Benz auxiliary battery save to drive?
Is it save to drive and so on. The main function of mercedes-benz auxiliary battery is to provide voltage to “stop start” function, so this function may not work until you solve battery malfunction. You can keep driving a car for while, but it is always recommended to fix any fault as soon as possible.