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

Hellow, This is peach daddy

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Old Dec 13, 2024 | 06:04 PM
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2008 Mercedes S550
Smile Hellow, This is peach daddy

Hellow, Fellows,
This is peach daddy from Atlanta Georgia.
I have 2008 W221 BLK with 102,000. miles.
i am a original owner.
I am looking for answer, that my car front sunroof shade motor have a power issue.(No Power)
The sunfoor working find, front shade motor it self is good, but, when I installed it's not working at all, because of no power go to sun shade motor.
Is, anybody have any idea? I was checked fuse box already it's all good. (126 overhead / 149 sunroof motor)
Do I have to check any other fuse or do I have to replace overhead control unit?
Please, advice to me.
Thanks.
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Old Dec 13, 2024 | 06:34 PM
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bone stock E55 AMG
moved to W221 forum...
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Old Dec 13, 2024 | 08:36 PM
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Welcome tellyus.
I don’t know enough about the subject to give any specific information. I do have a suggestion though. Did you check the sunroof track microswitches? They will cut the power to the motor when roof is fully closed or open. If they malfunction they would interrupt motor operation.
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Old Dec 13, 2024 | 11:08 PM
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2008 Mercedes S550
Originally Posted by MB2timer
Welcome tellyus.
I don’t know enough about the subject to give any specific information. I do have a suggestion though. Did you check the sunroof track microswitches? They will cut the power to the motor when roof is fully closed or open. If they malfunction they would interrupt motor operation.
Thanks for your help.
I will check the sunroof track microswitch, and I will let you know over the weekend.
Thanks again.
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Old Dec 14, 2024 | 01:40 PM
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2008 Mercedes S550
Where is this part located? or is this overhead console sunroof switch?
I cannot find this part from Google,yahoo or YouTube.
Please advise me the correct part number or name.
Thanks for your great help!
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Old Dec 15, 2024 | 11:20 AM
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2008 Mercedes S550
Thumbs up W221 SUNROOF TRACK MICROSWITCH PARTS NUMBER

2008 S 550 (W221)
I have a power issue with my W221 sunshade motor in front passenger side.
I was test motor, but motor woking find but, some how power get cut off...
I check fuse,motor and sinroof power supply, everyhting looks good. but this sunshade motor power is cut off.
If, anybody have some information about sunroof track microswitch parts number or official part name. please advice to me.
Thanks...
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Old Dec 16, 2024 | 08:39 AM
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2008 Mercedes S550
Gentleman,
Finally, I fix my sunroof & shade problem...
1) Replace,bushing,bolt & gears (AliExpress.com)
2) Reassemble and reset the sunroof switch.
3) It's just working find...

Tip
1) I have a power issue with the front sun shade,but after resetting the sunroof switch, I have a power back on.(I accidentally reset the sunroof switch....hahahaha)
2) When you replace the sunroof motor gear, you need simple tool from Amazon $17. (In my case, I just paid $50 to replace gear at the local mechanic shop)
Total cost is $ 120. but, if you are done by a local MB shop, It will be a fortune...hahaha minimum $2k....easy
Good Luck Guys!
It's easier than what you think! Go for it!

HARFINGTON 2-Jaw 4" High Carbon Steel Separate Lifting Device for Bearings


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