S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Corning light bulb replacement on facelift model

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Old May 23, 2023 | 08:52 AM
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2010 Mercedes S550 and 2005 Mercedes C240
Corning light bulb replacement on facelift model

Good morning,

upgraded my 2004 S500 and Purchased new to me 2010 S550 and have “check cornering light right side” message on cluster. I haven’t pulled her apart to check wiring but if it is just the bulb all the intel I gathered from YouTube and other forums is the entire assembly must be replaced as the bulb is unserviceable? Is this true? I don’t need them can I deactivate to clear massage out forever?

this seams crazy Mercedes would do this as assembly is like $800 plus to replace.

any info or help is appreciated.

Thanks a million…

Hi to all Any members In south Florida PM for good mechanic recommendation
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Old May 23, 2023 | 07:39 PM
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2010 CL550
Originally Posted by ScottBenz
Good morning,

upgraded my 2004 S500 and Purchased new to me 2010 S550 and have “check cornering light right side” message on cluster. I haven’t pulled her apart to check wiring but if it is just the bulb all the intel I gathered from YouTube and other forums is the entire assembly must be replaced as the bulb is unserviceable? Is this true? I don’t need them can I deactivate to clear massage out forever?

this seams crazy Mercedes would do this as assembly is like $800 plus to replace.

any info or help is appreciated.

Thanks a million…

Hi to all Any members In south Florida PM for good mechanic recommendation
I believe you should be able to replace the cornering bulb through the wheel well. I can confirm it is replaceable on my 2010 CL550, which is a very similar car.. sorry I can’t say for certain but it would be worth a try
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Old May 23, 2023 | 08:51 PM
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2010 Mercedes S550 and 2005 Mercedes C240
Thanks, I pulled the headlight out by dropping bumper…it was out of alignment so 2 birds 1 stone. Removed both side assemblies and swapped out modules and problem still on right side- stupid me should have plugged entire left assembly into right side and seen if it worked as plugs are the same. The hardest part of Mercedes is the dam plugs are so tight and push clips to release so small, anyway I will try again tomorrow as second disassembly should be much faster…learning curve done. I saw no service hole to get to cornering bulb unless it’s thru the module wiring hole…need to investigate some more - ran out of time.

much appreciated all the help.
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Old May 25, 2023 | 09:46 AM
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2010 Mercedes S550 and 2005 Mercedes C240
Confirmed bulb not serviceable. Anyway to emulate bulb to fool canbus to not throw message? If so does anyone have wiring diagram of lights insides for facelifted model? 🙏 thanks

calling around to indies in south Florida today to shut feature off - I am to OCD with car to have any warning messages. Also if anyone has recommendations for indie in south Florida then please advise.

regards,
Spoiler
 











Last edited by ScottBenz; May 25, 2023 at 09:49 AM.
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Old May 25, 2023 | 09:50 AM
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2010 Mercedes S550 and 2005 Mercedes C240

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Old May 27, 2023 | 11:37 PM
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2011 S550 / 2001 S430 - RIP
Well damn, I have that red gas can, that 4 port extension cord and that floor jack. LOL.

Seriously?? That stupid bulb is not user replaceable.

I'll be at the MIA airport in the morning, but not sure if my hand held unit would shut that off. Let me try to check real quick.

After testing it, yes I would be able to turn them off.

Last edited by johnksss; May 28, 2023 at 12:04 AM.
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Old May 29, 2023 | 09:10 AM
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2010 Mercedes S550 and 2005 Mercedes C240
Hmmm, after this post all those items went missing? Just kidding and have a harbor freight 10 mi away- some tools are great and other are crap but they have very good prices plus I am old school and like to see what I am buying - been fooled buy Amazon/EBay too many times.

which scanner do you have?

Thank you.for checking-are you local to south Florida🙏thanks again for all.
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Old May 29, 2023 | 10:31 AM
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2011 S550 / 2001 S430 - RIP
Originally Posted by ScottBenz
Hmmm, after this post all those items went missing? Just kidding and have a harbor freight 10 mi away- some tools are great and other are crap but they have very good prices plus I am old school and like to see what I am buying - been fooled buy Amazon/EBay too many times.

which scanner do you have?

Thank you.for checking-are you local to south Florida🙏thanks again for all.
I have an original launch ODB scanner from before they started locking them. I'm using X431 dealer level software for different cars. I actually got my scanner from Amazon many many years ago.
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