What does it mean when your Mercedes says auxiliary battery malfunction?
Many Mercedes Benz owners have noticed that they will sometimes get an occasional warning message on their dashboard stating “auxiliary battery malfunction” which can be quite scary especially if it happens while you’re actively driving.
What happens when the auxiliary battery goes bad?
If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard. The warning will be generic, but should feature a small battery symbol.
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.
When does an auxiliary battery malfunction on Red Ken?
So, 8 weeks after the 3-year warranty expired, Red Ken decided to invoke the Law of Sod and throw up a “Auxiliary Battery Malfunction” warning.
Many Mercedes Benz owners have noticed that they will sometimes get an occasional warning message on their dashboard stating “auxiliary battery malfunction” which can be quite scary especially if it happens while you’re actively driving.
If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard. The warning will be generic, but should feature a small battery symbol.
So, 8 weeks after the 3-year warranty expired, Red Ken decided to invoke the Law of Sod and throw up a “Auxiliary Battery Malfunction” warning.
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.
Why does my aux.battery keep going dead?
Sometimes new batteries are bad out of the store because they sit too long and one of the cells go bad so you might have voltage but once you do a load test, it will show that it’s dead. The voltage of the aux. battery was 12.4 when I installed it. I do have a code scanner, no stored codes.
Why do I get an auxiliary battery error?
Anyone has experience or have seen this error message before? I wanted to understand what’s causing this malfunction and how to fix it? I’m guessing this auxiliary battery is a back up battery or some sort, but not entirely sure if I can still drive around with this malfunction or best to take the car into MB service ASAP!
Why does my Mercedes CLA say auxiliary battery malfunction?
I parked for about 30 minutes and when I started the car again, I got an “Auxiliary Battery Malfunction” warning. It still drove fine (about 5 minutes) but I’m wondering exactly what’s going on.
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.
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.
When to replace aux battery in Mercedes Benz?
I replaced the aux. battery about 2 weeks ago, but the warning continues daily at every startup. 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.
What to do if your Mercedes auxiliary battery fails?
If this does not completely fix the problem, you may wish to take your car to a Mercedes service center or replace the whole auxiliary battery. Like the main battery, it may fail repeatedly if it has lost charge. Where is auxiliary battery located ?
How does the Mercedes C 300 auxiliary battery work?
Your Mercedes-Benz C 300’s auxiliary battery works to keep your most critical driving visuals such as Lane Assist, GPS, radio, and other electrical components turned on. Again, though it may not directly affect driving performance, you also have the option to consult a licensed technician to diagnose and replace if needed.
How can I fix a problem with my Mercedes?
If you have a problem with your older Mercedes and are trying to figure what is causing it or how to fix it, you have come to the right place. Let Kent explain how his solutions finder works: “Just select the location of the problem you are experiencing, the chassis designation of your car and a few key words and click Search.
Are there any problems with the Mercedes engine?
Theses engines were more powerful and more fuel efficient. They did have a few teething problems but have proven to be very durable as long as they are treated and maintained properly. A true challenge – but you can do it with the right knowledge.
Why is my Mercedes car not starting up?
If you are experiencing any of these error codes, the best way to check if it’s in fact the auxiliary battery is by seeing if the car starts up. If the vehicle is able to startup and operate with limited functionality, it is likely the secondary battery that is causing issues with your Mercedes-Benz.
What kind of maintenance should I do on a Mercedes 300D?
Just a rock solid body and engine combination that can easily last a half million miles with basic maintenance. The real killer on these cars is rust. Start with a vehicle that has a rust free body and under carriage. Next, run a compression test on all five cylinders. Good compression is paramount on a diesel engine.
Is it bad to replace vacuum line on Mercedes 300D?
The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair. Vacuum lines, elbows and T’s are easy to replace. Even if the vacuum pump is worn out, it’s not a bad repair.
What causes push start on a Mercedes Benz?
Push Start or unlocking … Mercedes-Benz owners may notice the check engine light plus P0170 and P0173 codes. In theory, these two codes mean that the fuel mixture is too rich or too lean. Most of the time these Mercedes-Benz fault codes are caused by a defective .
What are the problems with a Mercedes Benz?
Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More
Are there any problems with Mercedes Benz C63 AMG?
Weistec replacement head studs. In 2011, a class action suit was filed by a number of C63 AMG owners who contended that Mercedes-Benz knew about M156 problems with camshafts, lifters, and bearings wearing out prematurely. That led to thousands of dollars in repair costs for customers.
Where is the aux battery in a Mercedes?
Anyway, after dome poking around, it seems the AUX battery is either in the trunk or lower drivers side dash. Knowing I had the battery in the trunk, I popped the dash cover just to be sure.. nothing there and couldn’t imagine the having 3 batteries (something Mercedes would do though.
Weistec replacement head studs. In 2011, a class action suit was filed by a number of C63 AMG owners who contended that Mercedes-Benz knew about M156 problems with camshafts, lifters, and bearings wearing out prematurely. That led to thousands of dollars in repair costs for customers.
Anyway, after dome poking around, it seems the AUX battery is either in the trunk or lower drivers side dash. Knowing I had the battery in the trunk, I popped the dash cover just to be sure.. nothing there and couldn’t imagine the having 3 batteries (something Mercedes would do though.
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.
Can a Mercedes-Benz ignition lock battery malfunction?
B21DC01 – The buffer battery of the electronic ignition lock has a malfunction. There is a general electrical fault. What Battery Should you Choose? For more information about a Mercedes-Benz auxiliary battery malfunction, contact Xenons4U today!
Is there an auxiliary battery malfunction on the 2014 Ford E350?
2014 E350 4Matic – Palladium Silver, Sport , 18k miles…….. Suddenly noticed an “Auxiliary Battery Malfunction” warning on the dash yesterday. Even though there was no evidence of any other issues, I didn’t want to wait for an appointment at the closest dealer which is an hour away, so I stopped in at my local Indy.
B21DC01 – The buffer battery of the electronic ignition lock has a malfunction. There is a general electrical fault. What Battery Should you Choose? For more information about a Mercedes-Benz auxiliary battery malfunction, contact Xenons4U today!
How to replace battery in Mercedes ML350 W166?
Mercedes ML350 W166 Main & Auxiliary Batteries replacement. Stuck in Park, not shifting. – YouTube If playback doesn’t begin shortly, try restarting your device.
How to replace auxiliary battery in Mercedes C 300?
Remove the old auxiliary battery and install the new battery by fastening the brackets in place and connecting the positive terminal, followed by the negative terminal. Pop back the cabin air filter housing over your auxiliary battery to complete the process.
How much does it cost to replace a Mercedes auxiliary battery?
How much does it Cost to Replace Mercedes Auxiliary Battery? The average cost for a Mercedes-Benz auxiliary battery replacement is between 200-300 USD. Labor costs are estimated between 50-100 USD, all of these prices are estimated and may vary.