C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

trunk light is out

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Old Dec 11, 2005 | 03:05 PM
  #1  
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From: michigan/ohio/indiana
2013 c300 4matic, 2002 c240
trunk light is out

nothing on search so this is an original thread.

ok, the trunk light is not working. nothing in the manual is mentioned about replacing it.


the light i'm talking about is the one located in the trunk, NOT on the trunk lid that has a light blinking green OR any lights on the exterior. this light helps you see your stuff if you are taking them out at night. I tried removing the cover and I had trouble, i ended up with a interior scratch on the car body (sigh).

any help is greatly appreciated.
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Old Dec 11, 2005 | 09:46 PM
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'17 Jaguar XF
I had the same problem under warranty and couldn't figure out how to take the cover off the lamp without major force so I let MB fix it.....they replaced a "control module" to fix the problem.
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Old Dec 11, 2005 | 11:24 PM
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C55 ///AMG, 535xi
Originally Posted by mleskovar
I had the same problem under warranty and couldn't figure out how to take the cover off the lamp without major force so I let MB fix it.....they replaced a "control module" to fix the problem.

funny thing is....the dealers always say they "replaced a control module" for every problem you bring in it in for!
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Old Dec 11, 2005 | 11:50 PM
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From: Huntington Beach, Ca.
'17 Jaguar XF
Originally Posted by advans
funny thing is....the dealers always say they "replaced a control module" for every problem you bring in it in for!
Yea, I noticed the same pattern in fixes myself! At first I was VERY skeptical then I read how everything is controlled off of a central buss (canbus?) with 'receivers', or control modules, picking up the signals and getting the job done. Saves wiring weight (more than you think) and installation time and also allows for options to be easily added. Also increases complexity of diaganostics and repair. Still makes you wonder if it is worth it to the consumer.
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Old Jan 5, 2006 | 06:41 AM
  #5  
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From: michigan/ohio/indiana
2013 c300 4matic, 2002 c240
you were right, it was the control module. they said there was a little corrosion on it causing it problems.
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Old Jan 5, 2006 | 04:28 PM
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From: Bay Area CA
2002 C32
Originally Posted by pookie
you were right, it was the control module. they said there was a little corrosion on it causing it problems.
Oh crap this might also be my problem, any idea how much a dealer will try and charge me for it?
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Old Jan 5, 2006 | 06:48 PM
  #7  
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From: michigan/ohio/indiana
2013 c300 4matic, 2002 c240
i have the extended warranty so it is covered. when i get the car back, hopefully they wrote down the charge on the service sheet. i'll let you know either way (hopefully tomorrow or early next week since the parts only arrived today)
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Old Jan 6, 2006 | 02:58 AM
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2002 C32
As if by magic it started to work again, it must have known!
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Old Apr 21, 2006 | 05:43 PM
  #9  
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From: Bay Area CA
2002 C32
Now it's packed up completely, who knows how much it will cost to resolve as I'm starting to get used to it not working.
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Old Apr 21, 2006 | 10:15 PM
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From: michigan/ohio/indiana
2013 c300 4matic, 2002 c240
They did not write down the charge but told me that it costs $700. Apparently, this is the 2nd time they replaced it. I was not aware of the first time, but I guess when they were fixing my radio and rear windshield they saw something wrong and replaced it. My problem was beyond the scope of just the light. The green light to open the trunk was not working either. I still occassionally have trouble starting the car (hard start...)


If your light just comes on and off, it maybe a simple replacement of the bulb or a bad wire hook up. Check and see if anything else in the rear (like the green light) is having trouble blinking green. It may be more than a light problem.


I saw the tech open the light bulb casing. It was rather difficult. Make sure you using a something flat, thin and non-metallic (to not scratch interior paint) to pry open the casing from the short sides.
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Old Jan 8, 2014 | 11:41 PM
  #11  
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C300
If you just want to replace the bulb in the trunk wall, open the fuse door and reach up to the back of the light. You will feel a tab on the back of the plastic cover--toward the front of the vehicle. Push this tab, and the light should easily pop out.
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Old Jan 27, 2019 | 08:12 PM
  #12  
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From: Austin, TX
c230k
Old thread I know but it is the one I landed on.

Here are some pics of the trunk light from my 2003 c230k sedan for those that are are struggling to remove theirs. I resorted to moderate brute force... sucky thing is that there is no voltage at the connector and the bulb is fine. Is there a fuse number for this and where is the actuator for the light?


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