Tail Light Switch Problems of Mercedes Benz C350

The contact owns a 2009 mercedes-benz C350. While driving various speeds, the driver side tail light failed to work and various indicators illuminated on the instrument panel. The vehicle was previously serviced under NHTSA campaign number: 14v177000 (exterior lighting) in 2013, but the remedy failed to repair the vehicle. The contact stated that the driver side tail light failed after the vehicle had been repaired. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure. The approximate failure mileage was 48,000.

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After I took my 2008 mercedes C350 to the dealership to have them do the repairs for the recall on the tail lights/bulbs. I keep getting the "check right rear turn signal". The blinker will work fine, then after 10 minutes of driving it blinks very fast and the warning light comes on. This issue is getting worse. This is an extreme safety hazard and must be fixed immediately. Please advice! evething appeared to be working fine until I got my vehicle back from the service dept. They changed the bulbs.

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I have a 2008 Mercedes Benz C350. The rear passenger taillight malfunctioned causing me to be pulled over by the police. Mercedes benz has since recalled the faulty tail lights and is scheduled to release replacement parts to mb dealers next month. However, it seems the entire electrical system is defective. Sometimes the radio station changes when I adjust the cabin air temperature (air conditioner). The dashboard control panel constantly displays warning messages about failing headlights and side markers. Aside from the recalled passenger taillight which is visibly dimmer than the driver side taillight, the other lights appeared to be working fine. Yesterday the fuel gauge indicator and the coolant indicator on the dash came on - the antifreeze and fuel tanks are both full. I had a mechanic look at the lights, only to discover the plastic housing is completely singed and melted in the headlights and side markers, just like it is in the defective recalled taillight. The car is one over-priced fire trap - at this point I don't feel safe driving it. What is even more disturbing to me, is that Mercedes Benz is well aware of electrical problems with the c class. There are thousands of complaints about this issue online - posted to blogs and NHTSA website. Mercedes is trying to piece-meal out a remedy. Meanwhile, this is a big safety issue! when will NHTSA recall the entire mercedes c class line due to defective electrical issues?.

Rear passenger side tail lights no longer functional. Started getting a constant display message to check rear break, fog, and turn signal. First checked for bad fuse. Finally went to check the bulb housing and noticed that one of the wires was frayed. The wire was exposed and the wire harness seem to be damaged as well from the heat. The wires are bad and will need to be replaced.

After parking my C350 I noticed smoke coming from the trunk on the passenger side. I opened the trunk to discover the source of the smoke was the trunk fuse box panel. I removed the panel and found that the taillight assembly was smoking. Following the removal directions in the owner's manual, I removed the multi-pin connector and noticed that the housing around the brown conductor was completely melted and corroded. There was a distinct smell of burning plastic. I then drove home with the passenger tail light assembly disconnected for fear of further damage or an electrical fire. Luckily I was not pulled over nor did I cause an accident due to inactive brake/reverse lights. Once home, I determined that the burned and corroded conductor must be the ground connection. I believe that the ground cable in the tail light harness is not of heavy enough gauge to handle the current that passes through it under normal conditions. Here is the math: each bulb is 21w. If you are at a stoplight at night with your headlights on and you're turning right, there will be 5 bulbs active (per side). This is a total of 105w. At 12v, 105w translates to about 9a. The recommended wire gauge is 16-18 at this level of current. The brown wire in the tail light harness is an 18 gauge wire I believe. This wire is right at its limit for current handling. We know that in the real-world, current can easily exceed theoretical limits, so engineers often over-spec wire to be totally sure that a circuit will not fail. In this case, the mercedes-benz engineers did not over-spec the wire. . . They under-spec'd the wire, and it failed! I highly recommend a recall, since this is potentially a serious safety issue. A car could easily go up in flames due to this problem. Or an accident could happen due to brake/reverse/turning lights that have burned up and failed.

My tail lights started to going in and out. When I went to check the bulbs all bulbs are good and there is burn marks on the casing hold in the bulb and wiring for the passenger side tail lights. There is a short in the tail light wiring.

Started getting notifications on dash that a light bulb was out in the left tail light. Upon further inspection, the brown ground wire has melted plastic around it on both the male and female side of the connector and all of the bulbs have corrosion from a bad connection or arching on the connectors.

The onboard computer indicated that the r rear turn signal had failed. Visual inspection of the wiring inside the tail light assembly showed that the connector for the electrical wiring harness which delivers power to the tail lights had melted. This caused damage to the bulb, carrier, plug and socket parts. All needed to be replaced. This is a known issue on the c class mercedes for this model year.

A dashboard warning indicator came on, indicating my right rear tail light was not functioning. I opened up the trunk, and located the harness that holds the rear tail light light bulbs. There was a burn mark in the harness that holds the light bulbs. I took the car to my dealership, and they told me the wiring shorted out, and it needs replaced. I have the pdf file that the dealer sent me indicating this is what happened. . . . There is an outstanding nhtsb complaint filed already. . . Read more...

Started off as a rt. Tail light message, a strange flashing rt. Turn signal ( rapid flashing). As I went to inspect the tail light bulbs, I found the light assembly plate melted at the connector to the light plate. The brown wire was so hot from the evidence that it melted the plastic all around. The brown wire is fried black. Could had started a fire.

Just saw on the internet the investigation on 2008 C350 and faulty brake lights. Ever since about 2009-2010 we've been plagued with electrical problems with this car, but always we get warnings about the tail brake lights. We've had the car to the dealer multiple times, and have had several expensive repairs changing out boards. Still. . . . Every time you start the vehicle you have to clear the taillight error messages. To be fair we've not had any burning or melted parts, maybe we've just gotten lucky. But there is definitely something wrong with the design/manufacture of the system. Please investigate further and if warranted start a recall!!!!.

Rear drivers side and passenger side tail lights (brake lights, turn signals, and running lights) are no longer functioning. Upon inspection, lights are barely functioning or not functioning at all with no indication of faulty bulbs or fuses, and wiring harness connecting the tail lights to the electrical system is extremely hot.

Passenger side tail light is considerably dimmer than the driver side. After examining the passenger tail light, I noticed that the connector of the wire harness connected to the housing that is housing all the bulbs is partially melted and it is extremely hot when the lights are on. I also checked the driver's side and it looks like the exact same thing is happening on there, too, but so far to a little lesser extent. Looks a lot like a fire hazard!.

The contact owns a 2008 Mercedes Benz C350. The contact stated that the rear taillight failure warning light illuminated. The vehicle was taken to a dealer where it was diagnosed that the passenger's side tail light assembly needed to be replaced. The manufacturer was notified of the failure. The vehicle was repaired. The approximate failure mileage was 63,000 and the current mileage was 73,000.

After receiving several dashboard warning messages and, I went into higgenbothom mercedes in jackson, ms on 10/12/12 my vehicle was diagnosed as needing a right rear contact plate and harness is shorted out. About a week in a half ago my lights on right side (both front and back tail lights) will flash on and off periodically when my lights are in the auto position and the engine is off. My daughter emailed me an article mentioning a posible defect so I called mercedes and was told to contact my dealership to get an estimate and then call them back and a case manager would contact me in 24 hours. I took my vehicle in 07/24/13 they diagnosed the car with needing right tailamp bulb holder plate. I contacted mercedes again yesterday and told them about the diagnosis and spoke to a case manager and was told that there are no recalls at this time and they are still in negotiation with NHTSA and I can have the vehicle repaired but my vehicle is no longer under warranty, but after finding my previous invoice I'm confussed as to what really need to be repaired because that is clearly 2 different diagnosis, but at both times I was told the parts had burned out. I think mercedes should issue a recall and soon before there are injuries or fatalities since they say non has been reported as of now.

My right tail light had been dim for awhile. I do remember from time to time smelling a faint electrical burn smell but didn't know where is was coming from. Finally when it went out, I pulled the lamp assembly which has what looks like a circuit board where the bulb mounts. The copper "traces" were fried. I took it to the dealership and they said "sorry, it's out of warranty, but we will be happy to sell you one". I said "no thanks, it will just fail the same way". So I took it home and repaired it properly. Now worried the other one will do the same.