SL-Class (R231) 2013 on: Discussion on the SL550

SL/R231: Auxiliary Battery Malfunction

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Old 06-07-2022, 05:12 PM
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Auxiliary Battery Malfunction


I keep getting this error randomly. I had the code read and it says the battery is fine. Seems that volts are ok but I did have the car sitting for 3 months where the main batter went bad and I had to replace it.
Would you guys assume that its a pretty good bet the Auxiliary battery is bad too?

Thanks

2013 Mercedes sl 550

Last edited by jakubmomentum; 06-07-2022 at 05:14 PM.
Old 06-07-2022, 06:07 PM
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The first couple of issue's I see is "ECO" And "E"..you need to see some "Sport" and "S"'s on that dash lol. To answer your question, I don't have an exact answer but have to assume if you are seeing the warning, it is probably coming to end of it's life and needs/will need replacement sooner than later.
Old 06-07-2022, 06:11 PM
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The ECO and E is there so the environmentalists will see my good intentions.
Old 06-07-2022, 06:25 PM
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I 've had that message on a C-Class and it was a voltage regulator that they covered "under warranty", even though I was well past 50,000 miles. I think I did have to pay something for this on my SL though; I'll search my Inbox.

What's the cup of coffee icon??

EDIT:


Last edited by eddieo45; 06-07-2022 at 06:29 PM.
Old 06-07-2022, 06:40 PM
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Supposedly there is a coffee warmer there. So a voltage regulator on the battery or near it? or on the alternator?
Old 06-07-2022, 07:22 PM
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Originally Posted by jakubmomentum
Supposedly there is a coffee warmer there...
Ha, ha! Joke!

The coffee cup is to remind you to take a break because you've been driving over two hours.

Either that or a reminder to buy coffee at the store. Or maybe you have the SL Starbucks Edition, white with a mocha brown interior.
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Old 06-07-2022, 07:30 PM
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Old 06-07-2022, 07:35 PM
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Originally Posted by eddieo45

EDIT:
Did you at least get taken out to dinner before getting screwed? Pretty cool that dealership works with Jesus! I knew he was a carpenter, but I had no idea he was a mechanic, as well. I guess if you're God, you can be whatever you want to be.
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Old 06-07-2022, 07:38 PM
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Old 06-08-2022, 09:55 AM
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Originally Posted by JettaRed
Did you at least get taken out to dinner before getting screwed? Pretty cool that dealership works with Jesus! I knew he was a carpenter, but I had no idea he was a mechanic, as well. I guess if you're God, you can be whatever you want to be.
lol, Jesus is my Service Advisor, and he actually pronounces is like we do in English: "JEE-zuz". I asked him if it's actually "hay-ZOOSS" and he said no, and oddly enough it's not even his first name, it's his middle name and doesn't appear in his email address. There are other Latinx staff at the dealership and none of them will pronounce it like that. He has come to learn that the estimates he sends me will only be the beginning of a lengthy discussion; you should see the $7732.28 estimate he gave my daughter's previous 2010 ML350 at a Service B!
Anyway, he comped the tire rotation, the auxiliary battery came to $406.72, the 50,000 mile service was $797.65, and I convinced him that the oil leak was a warranty issue. Oh, and a 20% discount brought the whole thing to $1037.86, lunch on them of course.
Old 06-08-2022, 10:42 AM
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Originally Posted by eddieo45
...lunch on them of course.
Well then, that wasn't so bad! Not quite dinner. And not quite the other thing (i.e., bending you over the cashier's counter).

But why do the dealerships do that; make everything a negotiation? That's what drives owners to independent mechanics, especially on older cars.
Old 06-08-2022, 11:03 AM
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Originally Posted by JettaRed
Well then, that wasn't so bad! Not quite dinner. And not quite the other thing (i.e., bending you over the cashier's counter).

But why do the dealerships do that; make everything a negotiation? That's what drives owners to independent mechanics, especially on older cars.
Who knows?? (lol, when my daughter was in high school she and her friends said "who knows?" so often they would just say "HN"; "HK" was "who cares?")

I'm a leasing consultant; I negotiate for a living so when I'm off the clock I prefer to just cut right to the chase. I think the SAs are required to send the crazy estimates. The $7700 one for my daughter's old ML included $1300+ for 4 tires because the was a cut in one rear tire (that had been there over a year and had passed state inspections) and the fronts were "non brand Nexen tires". I bought 2 more Nexens for $300 mounted. It included $625+ to repair the brake light (common ML problem) that I fixed with a $16 harness splice from Amazon (I later learned a free fix I wish I had done). Some of the other items were just plain comical:

Transmission oil pan: pan is rot, brackets to transmission is corroded, will start to leak $756.20
Guide pulley: pulleys is noisy and moving side to side, could eventually break $338.40
Belt tensioner: add belt $360.83
Engine air filter replacement: $203.17
Wiper linkage: rear wiper arm broken, blah, blah, blah (long story): $1379.00
Old 06-08-2022, 06:30 PM
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I literally have that coffee icon there all the time.
Old 06-08-2022, 08:57 PM
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Originally Posted by eddieo45
Who knows?? (lol, when my daughter was in high school she and her friends said "who knows?" so often they would just say "HN"; "HK" was "who cares?")
LOL! So much for modern, feel-good education. Who (or should I say "Hoo") needs to learn how to spell when you have autocorrect all the time? Hoo Nose?
Old 06-08-2022, 08:58 PM
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Originally Posted by jakubmomentum
I literally have that coffee icon there all the time.
Do you have the Limited Starbucks Edition SL550?
Old 06-09-2022, 02:51 PM
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With the emblem and all
Old 06-09-2022, 03:20 PM
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Originally Posted by JettaRed
Ha, ha! Joke!

The coffee cup is to remind you to take a break because you've been driving over two hours.

Either that or a reminder to buy coffee at the store. Or maybe you have the SL Starbucks Edition, white with a mocha brown interior.

Much more than that....all in the manual



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Old 06-09-2022, 03:27 PM
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Originally Posted by rorywquin
Much more than that....all in the manual
Manual, schmanual! Real men don't read manuals!

(They Google their question and believe everything the internet tells them.)
Old 06-09-2022, 03:34 PM
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Originally Posted by JettaRed
LOL! So much for modern, feel-good education. Who (or should I say "Hoo") needs to learn how to spell when you have autocorrect all the time? Hoo Nose?
HN and HK make them secret comments, lol. Now my wife and I say HK all the time. Oddly enough, when we tell someone HK stands for Who Caresthey tend to comment that WHO begins with W, missing the K altogether.....
Old 06-09-2022, 06:32 PM
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And “HK” roles off the tongue some more easily than “WC”.
Old 06-09-2022, 06:33 PM
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Originally Posted by jakubmomentum
With the emblem and all
Cool! Got pics?
Old 06-10-2022, 02:58 AM
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Originally Posted by JettaRed
Manual, schmanual! Real men don't read manuals!

)

Last edited by rorywquin; 06-10-2022 at 03:05 AM.

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