CLK-Class (W208) 1998-2002: CLK 200, CLK 230K, CLK 320, CLK 430 [Coupes & Cabriolets]

Right Rear Fog Light Bulb Socket

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Old Sep 30, 2024 | 08:14 PM
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Phydeauxman's Avatar
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2002 CLK55 AMG
Right Rear Fog Light Bulb Socket

This may sound dumb but my 2002 CLK55 AMG Convertible recently failed state safety inspection for the right front and right rear fog lights not working. I figured that it was just burned-out bulbs but when I went to remove the bulb socket from the right rear light...it had no socket or bulb. The place where you would normally install the socket/bulb was blanked off like it has never had a bulb/socket. The left side had a socket/bulb and worked fine. Did the car come from the factory this way? Makes no sense to me why it would have but also makes no sense why the hole would be blanked off like that.


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Old Oct 3, 2024 | 12:27 PM
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DeLasse's Avatar
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2001 CLK 320
dude, you dont need fog lights, especially a rear fog. do you live in some small, mystical european country?

I would bet most inspection-level mechanics don't even know rear fogs exist.

i would 100% leave that shop an awful review. Instead of looking out for their customer, or the public, they're just being cruel. I've never been in a state that can legally fail you for not having fogs; most cars don't have fogs.
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Old Oct 3, 2024 | 12:30 PM
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2001 CLK 320
also, is the front fog dummy area that same style of plastic like in the back?

man, that is weird. The first thing that would come to mind is that they are aftermarket units, but I don't really think that's it.
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Old Oct 5, 2024 | 04:12 AM
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Most cars come with one fog light, or 2 just for specigic country where the law requires both.
Speaking about Mercedes, at least those model year, they come out with 1 light on a side and the blank one on the other side (I had an E320 my1998 and now a CLK200k my 2000, both were same as yours).

I tried to upgrade fog light on the right side also, but there is missing a wire in the cable harness on the right side. I realized it after I cut the blank plastic and bought and installed an oem bulb socket (ok, I'm not sure it is called so).

About front fog lights, both are there and both have to work. Check bulb first, change it if in doubt, then check power in cable if necessary. I'm not sure, but there is one fuse for both of them, so if one works, the problem is in the other side.

Last edited by Reflexpoint; Oct 5, 2024 at 04:16 AM.
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Old Oct 5, 2024 | 07:35 AM
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2002 CLK55 AMG
Originally Posted by Reflexpoint
Most cars come with one fog light, or 2 just for specigic country where the law requires both.
Speaking about Mercedes, at least those model year, they come out with 1 light on a side and the blank one on the other side (I had an E320 my1998 and now a CLK200k my 2000, both were same as yours).

I tried to upgrade fog light on the right side also, but there is missing a wire in the cable harness on the right side. I realized it after I cut the blank plastic and bought and installed an oem bulb socket (ok, I'm not sure it is called so).

About front fog lights, both are there and both have to work. Check bulb first, change it if in doubt, then check power in cable if necessary. I'm not sure, but there is one fuse for both of them, so if one works, the problem is in the other side.
Thanks for the verification. I find it weird that Mercedes (or anyone) would put in rear fog lights at all let alone only put in only 1.
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Old Oct 7, 2024 | 09:45 AM
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2001 clk200 avantgarde komp. convertible
Rear Fog Hazard Lights

Yes "DUDE" Small mystical European Countries do exist. UK and Ireland to mention just 2. And yes, Mercedes are produced with Rear Hazard Lights. Right /Left Side.
Fitted on the rear drivers side only. Light unit on the passenger side is blanked off. You can fit a bulb holder in the blanked off light section and take a power feed from the
working Hazard Light Harness on the other side of the Boot/Trunk Lid. A lot of work for a unit that is not used very often. Bulb holders are available on e.bay.
Would advise that you get a sparky to do the job. This would avoid blowing fuses, and any other electrical damage.
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