SL55/63/65/R230 AMG: 2006 SL55AMG
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2006 sl55amg
2006 SL55AMG
Hello
My SL sat all winter, I started it throughout the winter, when I started it I would get warnings from computer system, abc see workshop, tail lights, anyway, took the beast for its first ride today, ran great, but comfort controls came up not available, door locks wouldn't lock with key fab, what's up with that? Will this clear up?
My SL sat all winter, I started it throughout the winter, when I started it I would get warnings from computer system, abc see workshop, tail lights, anyway, took the beast for its first ride today, ran great, but comfort controls came up not available, door locks wouldn't lock with key fab, what's up with that? Will this clear up?
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Joined: Sep 2007
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95 SL600
Hello
My SL sat all winter, I started it throughout the winter, when I started it I would get warnings from computer system, abc see workshop, tail lights, anyway, took the beast for its first ride today, ran great, but comfort controls came up not available, door locks wouldn't lock with key fab, what's up with that? Will this clear up?
My SL sat all winter, I started it throughout the winter, when I started it I would get warnings from computer system, abc see workshop, tail lights, anyway, took the beast for its first ride today, ran great, but comfort controls came up not available, door locks wouldn't lock with key fab, what's up with that? Will this clear up?
Senior Member
Joined: Jul 2013
Posts: 306
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From: West Chester, PA - USA
2003 SL55 AMG
IF you don't already have one, you might want to invest in a CTek battery maintainer/charger. The AGM batteries in the rear are pretty touchy about the charging process. CTek runs a cycle to charge that matches the rear battery's needs. Around $150, I understand with the MB logo on it, about $60-75 with the manufacturers logo on it!
Last edited by kittyandgary; Mar 25, 2015 at 10:24 AM.
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2006 sl55amg
is this the charger
CTEK 12 Volt Lithium US
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CTEK 12 Volt Lithium US
CTEK 12V Battery Analyzer CTEK Bumper List Price: $119.99 Our Price: $107.99
Add to cart for lower price
Senior Member
Joined: Jul 2013
Posts: 306
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From: West Chester, PA - USA
2003 SL55 AMG
Here's a link to the CTek website and the maintainer /charger I bought. I found it some place for around $75 about a year ago.
http://www.techbatterysolutions.com/...er-p/ct001.htm
It may have been this site, just can't remember! :
http://www.batterystore.com/ctek-lit...FUYjgQodhb0AkQ
http://www.techbatterysolutions.com/...er-p/ct001.htm
It may have been this site, just can't remember! :
http://www.batterystore.com/ctek-lit...FUYjgQodhb0AkQ
Last edited by kittyandgary; Mar 25, 2015 at 10:25 AM.
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Senior Member
Joined: Jul 2013
Posts: 306
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From: West Chester, PA - USA
2003 SL55 AMG
Yes, battery stays connected to the chassis. I hard wired the maintainer 'connector' with the pigtails to my battery, then left the 'connector' as a pigtail at the rear of the trunk. Easy to open the trunk, connect the maintainer portion to the pigtail portion, then lower the trunk to almost closed while the maintainer keeps the battery charged and cycled. Fully closing the trunk would be no problem, as the cord would be compressed into the rubber trunk seal, but I just prefer not to close it as the car is garaged, so 'safe'.
I do this for about 2 days every 7-10 days if I'm not driving the car. Probably OK to leave it connected all the time if you're not driving it.
I do this for about 2 days every 7-10 days if I'm not driving the car. Probably OK to leave it connected all the time if you're not driving it.
Last edited by kittyandgary; Mar 25, 2015 at 10:30 AM.
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Thread Starter
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Joined: Feb 2015
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2006 sl55amg
great, sorry for the basic questions, but I heard issues can come up in the system like you said when charging, I am an ex mechanic on hot rods but never for these types of cars, this is my first sl and want to make sure I don't mess up, I do have a good indy that works on the car for maintenance,
thanks for the help
thanks for the help
Senior Member
Joined: Jul 2013
Posts: 306
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From: West Chester, PA - USA
2003 SL55 AMG
No problemo. These cars are much more complex than any I've owned before (previous to this one it was the Porsche 928 GTS I have!). I've owned mine for about 16 months, and learned a LOT by reading posts from this forum and by using other R230 (and other AMG model) forums as well.
Super Member
Joined: Jul 2010
Posts: 955
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From: Kansas
2003 E55, 2003 SL55, 2014 CLS63, 2018 q50 Redsport, 1968 Camaro SS, 1999 Trans am Firehawk
the front battery is a regular lead battery and it only starts the car. the rear is not a lead battery and runs everything else. the charging system is complex and it can actually start the car from the trunk battery if the front one is dead.
Super Member
Joined: Jul 2010
Posts: 955
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From: Kansas
2003 E55, 2003 SL55, 2014 CLS63, 2018 q50 Redsport, 1968 Camaro SS, 1999 Trans am Firehawk
you also only need to plug a trickle charger into the rear one and that will also keep the front starter battery charged
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2006 sl55amg
Hello
I hooked up the charger and the car is giving a pulsing sound, it's not coming from charger but charger lights are flashing.
I'm thinking battery is NG. I have it on motorcycle mode and it stopped the pulsing sound.
I left it on that mode for now.
Any advice?
Thanks
I hooked up the charger and the car is giving a pulsing sound, it's not coming from charger but charger lights are flashing.
I'm thinking battery is NG. I have it on motorcycle mode and it stopped the pulsing sound.
I left it on that mode for now.
Any advice?
Thanks
