HOW TO Remove & Replace Mercedes Auxiliary Battery
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- Опубликовано: 26 авг 2024
- #mercedes #stopstart #battery
Has your Auxiliary Battery gone flat? Your ECO Stop-Start function no longer working?
In this video, I show you how to remove and replace your Mercedes Aux Battery.
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Hello. I have a 2015 E-350 Benz, and the Auxiliary battery malfunctioned. I sprayed the bolts with WD-40 2X each, for 3 days in a row. And BAM, Surprise, (the battery's bolts were covered with corrosion before), and now the WD-40 Cleared Up the corrosion and Battery Works great! Saved me $250++. HOPE this helps everyone! Happy New Year! Thanks for this Vid all the same. Ps. if you use this method and the battery is till Not working, keep spraying it daily, it will Revive, especially if you're in Cold weather like North East USA. Do this also on the Main battery next to your engine so it keeps it Form Corrosion!
Great Video....Thank you for posting it. My battery is located in the trunk in my 2014 E350 (US model). The cost for the OEM part from a Mercedes dealer was $210 without the returning the core ($45.00 old battery) so $210.00 - $45.00 = $165.00 my total cost.
Perfect, soooooo helpful that enabled a non DIY person (caveman type) to carry out this task. Very grateful for a brilliant presentation - will now use RUclips for other activities!! Thank you
Your instructions was direct, simple, and thorough. No more Auxiliary Battery Malfunction message. Thank you much.
glad it helped!
All very useful thank you. Second batteries all new to me. Only thing missing is that there was a hard plastic cover over the aux battery. I have to discover how to remove the two plastic knobs that look like trim buttons. I have a trim tool. Tomo perhaps.
Bugger paying for a Mercedes battery.......i just used a motorcycle battery...specifically a YTX9-BS £22 off ebay.
Job sorted.
hi I have changed the aux battery on my 2013 ML 63 and now the car doesn’t start only the ignition comes on
Any thoughts ?
Did you have to reset/plug the obd in after changing the aux battery?
Hi 👋🏻 there, I got question. What if the new battery doesn’t have a port and it’s not connected to this degassing pipe ?? 🤔 My auxiliary battery was gone and since can’t find here that particular Mercedes Fiamm , was installed a Banner (Austrian company) battery, but now the degassing pipe sit aside and not connected. The car work properly for now, W 204 face lift. Thanx in advance for your reply 🤗
Hi, from what I know the start stop function is based on the main battery and not the auxillary one. This battery is used supportive features such as the collision assist , probably climate control as you mentioned.
I have a CLS 63s AMG and the stop start is powered by the auxiliary battery - in fact the replacement battery states Stop Start battery in big letters on the front!🤔
Simple and clean video thank you so much!!!!!
Where is the aux battery located in the W213?
I had my main battery replaced last week on my B200 d 2014,..(Australia)..by Mercedes roadside assist (contracted out, so no mercedes technicians) have issues with eco start since, (failed to restart at an intersection, not good) Is there any resets needed with this,.. I fixed the clock..! Now today I have an alert on my dash,.. auxiliary battery malfunction!.. Maybe I now need an auxiliary battery also.. awaiting appointment at Mercedes in two weeks for technical check etc.. Any advice in the meantime?.. thank you.
battery?
Thanks for the vid? Any idea if motorbike batteries will work as a cheap replacement? Or does it also need to be AGM?
It works. But that battery doesn’t have a hole for the degassing pipe.
Hi I've just replaced my auxiliary battery but the icon of a battery in dashboard is lighting up. How do I get rid of the warning icon.
Thanks for the good video. Do u know what the aux battery is referred to as in the manuals? I cant find a mention of it anywhere in my aclass manual
Possibly 'Convience Battery'
@@killerhertzmercedes cheers mate, managed to find it and get it changed. Had the aux battery malfunction warning, no eco stop start… now i have no warning, but still no eco lol
great instructions Thanks
Excellent vid' well done.
I just replaced my 2013 c300 and it does not work what’s going on ?
You could have put the model in the title. Mine is not in the boot.
I state at the start of the video that it can be in multiple locations.
You can see in the video it’s a CLS right???
@@user-dt9my7zv2z Why should I waste my time looking at every video with mercedes is the title just to find mine. Putting the model in the title would help everyone. The OP is being lazy or deceptive just for clicks.
😂😂 you need to upgrade your Merc so you can have one at the boot 😂
the video is breathtaking 0:44
one more 0:54
Awesome! You inspired me to get a cls... Keep making the videos. I don’t have the brake light on my diffuser do to being in North America. Can you by any chance get me a parts number or someone that sells them? I would like to install that on my Cls. Thank you!
Thanks, ill try to dig it out. however it wont be plug and play, you will need to code it etc & possibly a new rear SAM unit.
@@killerhertzmercedes it won't be easy but I think it would be worth it. I appreciate it :)
very good!
My W212 trunk battery negative terminal is corroded. How should I approach this? BTW, Rock Auto sells the Bosch equivalent for $125 delivered.
Just sand off the corrosion, should be fine as long as its all gone.
Can you do the start battery please
Hi I've got a B-class 13 plate I went to Halfords to get my auxiliary battery tested because my eco is not working and they won't touch it because they have changed them on other cars and the car ended up with faults can you please tell me can this happen?
Best to get it on a scan tool to determin what the errors are.
Had the same issue. Replaced it. Fault came up- No sound from the speakers 😮. Error says ‘Mute Cable’ malfunction.
Do you need to code battery in?
Depends on the model of your car, but most you do not need to.
Where can I get these battery, if I’m out of USA?
Thank you
Any Auto Shop or Mercedes Dealership...
What if I’ve replaced that battery and I still have the same auxiliary battery warning ? 😢
The battery may need charging if it has been sat in a wharehouse etc, give the car a long drive and it should reset.
I can't find it on my CLA45 2015
What does it say in your manual?
@@killerhertzmercedes batterie de reserve default ..
Would be good to know what year and model number...
It relates to virtually all models.
@@killerhertzmercedes not according to my research.. other videos on You Tube show it under the hood and still others in the dash above foot pedals
Wera tool?
These batteries are all different in the models, the smaller models the terminals are just spade connectors.
Mercedes wanted $700aus I got replaced for $80 look out
I'm normally quite positive towards your videos but this one was a bit negative.
I'll get my coat...
haha shocking.