Clk500 TAILIGHT ISSUES !!!
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2005 clk500
Clk500 TAILIGHT ISSUES !!!
Hi guys,
I have a problem with my car.
I have the left bottom tailight and right bottom tailight out.
I changed both bulbs and they don't turn on !
I have the mssg computer displaying "tailight left, tailight right" " back-up on"
What other problem could this be ? I checked the brake light fuse and it is not blown. By the way , removing and installing the fuse again made my car crazy, the abs light turned on, ESP light turned on, and the car wouldn't start.
This is my first mercedes. Never had a problem like this with my BMW's.
Has anyone experienced this problem ? I don't want to spend an arm and a leg at the dealer for bulb issues !
Your help is appreciated ! Thank you
I have a problem with my car.
I have the left bottom tailight and right bottom tailight out.
I changed both bulbs and they don't turn on !
I have the mssg computer displaying "tailight left, tailight right" " back-up on"
What other problem could this be ? I checked the brake light fuse and it is not blown. By the way , removing and installing the fuse again made my car crazy, the abs light turned on, ESP light turned on, and the car wouldn't start.
This is my first mercedes. Never had a problem like this with my BMW's.
Has anyone experienced this problem ? I don't want to spend an arm and a leg at the dealer for bulb issues !
Your help is appreciated ! Thank you
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Joined: Dec 2012
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2005 clk500
The car started fine after a while. Apparently it acted up when I started the car with the fuse out. The number of fuse was #60. Now I am just having a problem with the tailights. They still won't turn on even with the new bulbs installed. How frustrating !
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Fuse #60 is for the ESP/ABS control unit. Don't pull that or you'll get errors! 
My advice is to replace all the bulb in the rear tail light assembly. Why you're doing that, clean the contacts. I have found that the circuits that sense bad bulbs can be fooled when you have a combination of odd bulbs (old vs. new) installed. Also, check the wiring harness connectors to the tail lights to make sure they are properly mated. And check the voltage on the battery - if it's below 12.5 at rest or drops into the low 11v range when starting, you need to replace it.
My advice is to replace all the bulb in the rear tail light assembly. Why you're doing that, clean the contacts. I have found that the circuits that sense bad bulbs can be fooled when you have a combination of odd bulbs (old vs. new) installed. Also, check the wiring harness connectors to the tail lights to make sure they are properly mated. And check the voltage on the battery - if it's below 12.5 at rest or drops into the low 11v range when starting, you need to replace it.
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2005 clk500
Fuse #60 is for the ESP/ABS control unit. Don't pull that or you'll get errors! My advice is to replace all the bulb in the rear tail light assembly. Why you're doing that, clean the contacts. I have found that the circuits that sense bad bulbs can be fooled when you have a combination of odd bulbs (old vs. new) installed. Also, check the wiring harness connectors to the tail lights to make sure they are properly mated. And check the voltage on the battery - if it's below 12.5 at rest or drops into the low 11v range when starting, you need to replace it.
My advice is to replace all the bulb in the rear tail light assembly. Why you're doing that, clean the contacts. I have found that the circuits that sense bad bulbs can be fooled when you have a combination of odd bulbs (old vs. new) installed. Also, check the wiring harness connectors to the tail lights to make sure they are properly mated. And check the voltage on the battery - if it's below 12.5 at rest or drops into the low 11v range when starting, you need to replace it. . As far as the bulbs, I have replaced all and cleaned the connectors. No luck 
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C63s Cabriolet, BMW M4, Civic
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2005 clk500
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2008 CLK550 Cab
I've never paid much attention to which bulb is which back there, but I assume these bulbs are the ones that come on when the headlights come on so people behind can see you, and are not the brake lights or turn signals? Try a volt meter at the sockets with the headlight swith on and off and see if power is even getting there. That would be step one.
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If you are going to check voltage, you have to do it with the bulb in place. When the SAM recognizes the bulb is not working, it shuts it off.
While it's possible that you have a bad rear SAM, I still think this is a simple problem with bad bulbs or connectors. I'd remove the bulb plate completely, take it to your workbench, and check each socket and each bulb.
There are no fuses that could be a problem - the bulbs are controlled directly from the rear SAM. If all else fails, you should get someone with SDS to pull codes from the rear SAM.
While it's possible that you have a bad rear SAM, I still think this is a simple problem with bad bulbs or connectors. I'd remove the bulb plate completely, take it to your workbench, and check each socket and each bulb.
There are no fuses that could be a problem - the bulbs are controlled directly from the rear SAM. If all else fails, you should get someone with SDS to pull codes from the rear SAM.
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2005 clk500
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CLK500 Cabriolet
I know this is an old thread, but wanted to add. Ive been stealthing for awhile. I recently bought a 2005 CLK500 Cabriolet, and it had a couple of small issues. One of which led me to this page. Both tail lights (bottom) were out, backups were on (top), warning light for "rear left tail light" and warning light for "rear left backup" were on. (funny enough, the right warning wasnt on) and i tried replacing just the tail lamp bulbs, and nothing changed. So i replaced all the bulbs, and voila, problem fixed.
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2006 Mercedes-Benz CL 500
2006 CL 500 Mercedes won't start
i'm curious to know how you got your car to start back up? I recently did the same thing. Both parking lights in the back we're out as well as the blinkers at first. (This is when I first bought the car) as I'm driving home one brake light comes on as well as both park lights. I went to change driver side brake light only to find out that I need to change the whole assembly of lights. In the process I was checking fuses. went to go start the car and it started but was running rough. Turned the car off and attempted to turn it back on and Car would try to crank but would not turn over. Put cables on the battery now car won't crank at all. had a mechanic look at it and he says there's no power going to fuse box under the hood on driver side. What could this be? if anyone knows or has had this problem please let me know!
