S-Class (W222) 2014-2020

RED BATTERY LIGHT CAME ON THIS MORNING ON DISLAY!!!

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Old 10-13-2022, 04:17 PM
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Exclamation RED BATTERY LIGHT CAME ON THIS MORNING ON DISLAY!!!

My S550 has been sitting since about July 10, 2022. I'm currently battling some serious cancer issues. My wife went out to start the car this morning using push button start, but the car never cranked over, she said the "Red Battery Light Warning" appeared on the dash! I have had no battery indicator issues since I last drove the car on July 10, 2022, even then when driving, there were no warning lights at all on the dash. Currently, my mobility is very limited from my cancer issues, so my driving privilege's have been removed. I'm wondering what would be the best way to attack this since my Son will probably have to be the one who will be handling this stuff for me. I'm wondering if this is a simple test battery level, charge up (if needed), etc.

Please chime in with your thoughts. Thank you in advance!
Old 10-13-2022, 04:38 PM
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So sorry to hear about your condition. I'm wishing you speedy recovery and lots of health. I'm sure the battery is the last issue you wanna currently hear.
Ask your son to start the car using any jump starter and then drive to any AoutZone store where they can measure the battery voltage. Most likely he will need to buy any of the chargers they sell and connect it to the battery for about 12 hours.

Feel better.
Old 10-13-2022, 05:00 PM
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I believe Mercedes Roadside Assistance can replace the battery for you at your own home. It may be slightly more expensive than a trip to Autozone, but it will be the easiest (least hassle for everyone) option.

Sorry to read about your health issues; I wish you the best.
Old 10-13-2022, 05:35 PM
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Originally Posted by aeggroup
So sorry to hear about your condition. I'm wishing you speedy recovery and lots of health. I'm sure the battery is the last issue you wanna currently hear.
Ask your son to start the car using any jump starter and then drive to any AoutZone store where they can measure the battery voltage. Most likely he will need to buy any of the chargers they sell and connect it to the battery for about 12 hours.

Feel better.
Thank you very much! I do have a trickle charger and can use that one. So, once he gets it started, let the charger run and then get it in for further diagnosis.
Old 10-13-2022, 05:38 PM
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Originally Posted by cfmistry
I believe Mercedes Roadside Assistance can replace the battery for you at your own home. It may be slightly more expensive than a trip to Autozone, but it will be the easiest (least hassle for everyone) option.

Sorry to read about your health issues; I wish you the best.
Thank you very much! Will Mercedes Roadside Assistance tell me if a new battery is required?
Old 10-13-2022, 07:58 PM
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I doubt that. Mercedes uses internal resistance numbers to rate a batteries state. But you may buy a new battery from them. Love your “lend someone $20.00” signature. Reminds me of a lending incident long long ago and you are right. 😎
Old 10-13-2022, 08:05 PM
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UPDATE!!! Had my Son go out and try the car and it started immediately with no Warning Lights or anything. Going to have things tested as we are heading into the winter months. Thanks all!
Old 10-13-2022, 09:04 PM
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Originally Posted by Prochambers
UPDATE!!! Had my Son go out and try the car and it started immediately with no Warning Lights or anything. Going to have things tested as we are heading into the winter months. Thanks all!
Great news. Let it be the first out of many received by you.
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Old 10-14-2022, 04:55 AM
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Originally Posted by Prochambers
My S550 has been sitting since about July 10, 2022. I'm currently battling some serious cancer issues. My wife went out to start the car this morning using push button start, but the car never cranked over, she said the "Red Battery Light Warning" appeared on the dash! I have had no battery indicator issues since I last drove the car on July 10, 2022, even then when driving, there were no warning lights at all on the dash. Currently, my mobility is very limited from my cancer issues, so my driving privilege's have been removed. I'm wondering what would be the best way to attack this since my Son will probably have to be the one who will be handling this stuff for me. I'm wondering if this is a simple test battery level, charge up (if needed), etc.

Please chime in with your thoughts. Thank you in advance!
A Mercedes RED Battery Light indicates a problem with the CHARGING system. An AMBER Battery Light indicates a Low Battery Voltage situation.
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Old 10-14-2022, 04:31 PM
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Well gad damn! Cancer SUX!! I'm a lung cancer survivor myself....almost 2 years. Hope you kick that cancer right in THE NARDS!!! Keep your chin up Sir!
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Old 10-15-2022, 03:46 AM
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Nice to see it was an easy fix .
Sorry to hear about cancer, I trust you will get over it and be healthy as well
Happy Days

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