1) I have changed the bulb. If you Mercedes Benz MB Low beam Xenon headlights have Problem,flickering or light not working can find us replacement the oem xenon parts. I also read some where that it has something to do with emissions, I’m not 100% sure, but I do know how to fix it! You’ll know if you have the K40 Relay problem by the following symptoms: Your car is not running great, the throttle is not responsive; When you turn the car off, you smell the faint smell of gasoline; Your check engine light is on. This 2001 Dodge Dakota came in with the complaints that the turn signals, stoplights and hazards lights all quit working. Not only was he ready, not only was he at just the right depth (the Browns actually challenged the spot unsuccessfully), but the play was the result of Sanu picking up Brady's "alert" signal before the snap and remembering an adjustment Brady told him about early in the week. I don't see any exposed wire, just got my tail lights rewired and covered really well, first thing I'm going to do is replace my two switches that turn on the headlights and marker lights. I replaced the battery in my 2001, however when I went to use my tun signal everything went out. 2000 chevy cavalier brakes lights do not work What could be the cause?Signal lights work. Color Wheel Pro is a software program that allows you to create color schemes and preview them on real-world examples. I have looked at all the bulbs and they too seem okay. The panel … Continue reading "2000 Jeep Grand Cherokee, Turn Signals Erratic / Not Working". That it is the full procedure how to reset service light indicator Mercedes ML350 4Matic. Check the fuse and flasher. That is because this Mercedes-Benz system is better integrated and able to respond faster during startup. It worked on the days it wanted too. Mercedes-Benz E-Class and E-Class AMG: Why is My Key Fob Not Working? Forget making a trip to your local Mercedes-Benz dealership for a new key fob. View and Download Mercedes-Benz SL 500 operator's manual online. The signals and hazards are working now. or Yield to turning vehicles and not vehicles going straight. Formerjughead wrote:Is it just you turn signal fuse that is blowing? or is the fuse for all of your lights? Brad Head lights and tail lights and brake lights all work no turn signals. If all the lights on the trailer work except for the brake lights, i. The contact stated that the turn signals failed to operate. The other LED enhancement kit available at CARiD online for your Mercedes is the Flexible LED Under Car Kit by PlasmaGlow ®. The rear lights work when I have just the lights on, but nothing else does. So now what?. Your car's Mercedes Parking Light is a mechanism that is engineered to increase the visibility of the car and augment driving safety. Please help me out. If those are not working either, then I would suspect the 10A tail fuse. I have a 2001 Silverado and I can not get the driver side rear turn signal to work. Since the other lights flash, the CAN signal for "turn left" is going out - the issue is why the LED strip isn't getting it. not sure which one to replace next. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. I could not get them to work after that, still no hazards either. A bad turn signal switch will not affect the third light. Cant - Mercedes-Benz 2001 ML 430 question. The glass filament style bulbs work fine, but the 3157 led bulb will not light when I switch on the turn signals. My turn signal/wiper lever had been going bad for a while so I bought a new turn/wiper module and installed it and still no left rear turn signal or left rear brake light. high beams work fine. My new solutions finder replaces our old benz aid forum and tech help page. When you see the check engine light illuminated in your dash, it means your Mercedes-Benz has detected a problem within its OBD system. There are a few possible scenarios going on here. or Slow down or stop, only if necessary. Jeep Cherokee 1984-2001: Why Won't My Turn Signals Work? Are your blinkers failing to signal as they should? Learn how to diagnose and fix the problem with the help of this article. The problem is that the light sockets themselves are not grounded properly or at all. Continued from Part 1. I also noticed that when I have the headlights on, the front turn signal does not work. I get a solid green light after I've done the following:-Replaced relay with a factory relay-Replaced Fuses-Replaced ALL the bulbs -Checked the connections and secured them on the back of the fuse box Not sure what else to try. Both are the normal indications for a burned out bulb. answer yes the hazard lights stop turn sinals from working there are only 2 elements in the bulb one for stop and one for turn hazars use same eement as turns signals it is for that. "; Front turn signals work fine, rear turn signals dont. ALL other turn signal lights work. After I check my sound and there was no bass anymore. Coming soon. I cannot get the running lights to work at all. In this video I show a common issue with many Mercedes-Benz models including C240, C320 and other model Mercedes-Benz vehicles around the 2000-2005 year models that have malfunctioning front turn. Click here to find out color meaning. The nightime lights work fine left and right. Any suggestions? Not sure if it's directly related but my fuel gauge doesn't work properly all of a sudden after 30 years, is this tied directly into ground or lights or just a coincidence. It start beeping with red lights on and sensor warning light goes off Mercedes parking sensor not working? you to buy a Mercedes when you could get so much. Vehicles will vary depending on the make and model. just curious what the end result was. Or any warning light for service reminder which appears on the display. These mirrors contain high-intensity light-emitting diodes (LEDs), usually arranged to. Lots of electrical experience but zero TJ. The driver's side light works fine. Edit: Ok, so looking through my manual, it says that if my turn signal arrows aren't showing up in the car as I use them, then the fuse. I've heard mentioned on other sites of fuses inside the cab but I don't see a fuse box inside my truck. ) Switch the #7 yellow and #7 green wire where they go into the 4-way connectors. I got no signal, hazard, or brake lights on 2008 ford E-350 truck. Turn signals light but do not flash. My car is running fine however the INSTRUMENT CLUSTER has stopped, which means speedometer, odometer, indicator lights are not working. Especially when a system shares wires and connections with the parking, warning, and braking light systems. Blew dusk out of the socket. Dec 01, 2017 - Frisco, TX - Tail Lights TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ C300. Check yours to see if maybe you have 2 blown bulbs. The rear lights work when I have just the lights on, but nothing else does. This is a classic bad ground problem. My turn signals and brake lights work WHEN the headlights are turned OFF. Not working: Hazard flashers Turn signals Brake lights However, head and tail lights both work when they're turned on. Do any of them work at all?. Panasonic says new phone requires FSK signal, not stutter tone. Woofers under me were not working but other speakers rear and front was working fine but sound like crap without bass. elle decor. I replaced the front bulb thinking that the rear would go back to normal. Without a turn signal, you cannot communicate to other drivers on the road. In older Mercedes-Benz models, if you leave one of the turn signals on when you park the car, the parking lights activate for whatever side of the car you've turned on the signal for. The kit comes with necessary hardware and instructions to make installation fast and. My new solutions finder replaces our old benz aid forum and tech help page. Save on Turn Signal Bulbs and Lights with great deals at Advance Auto Parts. If the turn signal (also known as a blinker or flasher) blinks rapidly or doesn't blink at all / stays stuck when engaged, this is your C300's way of telling you that a turn signal bulb is burnt out. It is on a flat four pin wiring harness. It was discovered that the cable wire connected to the turn signal light bulbs were damaged. Problem with Exterior Lighting. do not work, the signals and. Turn on the headlights and then brake lights and turn signals do not work. Break lights work. Re: right turn signal not working Oct 19 2013, 6:15pm Correct myself, the multifunction switch is a ground side switch for any functions, the switch grounds a BCM signal circuit to signal the BCM the request for right/left or hazard lights. I have a 2001 Silverado and I can not get the driver side rear turn signal to work. The running light was working when I bought the bike. So now what?. Especially when a system shares wires and connections with the parking, warning, and braking light systems. Looking for best Mirror for your Mercedes Benz E350? Find great deals on AutoPartsWarehouse, get free shipping over $50. Easy step by step guide on how to repair an automotive turn signal system that is not working, this information is presented in the order of probability and pertains to most vehicles. None of my gauges will work, but my turn signal indicators, high beam indicators, and dash lights all work. by Madeline (Jacksonville, NC) Question: We have a 2002 Citation travel trailer that we just bought. Use this guide to help you find out what causes your rear lights to fail. Not working: Hazard flashers Turn signals Brake lights However, head and tail lights both work when they're turned on. However, when I turn on the headlights or parking lights the right signal ceases to function. The vehicle's computer would immediately sense that it has lost contact with the transmission and would set the warning codes, turn on a warning light, and send 'limp mode' signals to the tranny. It is on a flat four pin wiring harness. Mercedes-Benz C-Class Electrical Problems. To see how frequently Mercedes-Benz C-Class problems occur, check out our car reliability stats. Cant - Mercedes-Benz 2001 ML 430 question. My turn signals aren't working. Re: right turn signal not working Oct 19 2013, 6:15pm Correct myself, the multifunction switch is a ground side switch for any functions, the switch grounds a BCM signal circuit to signal the BCM the request for right/left or hazard lights. The wheel bearing is a ball, not tapered, roller type that is not adjustable and must be replaced if it is loose. Our Vehicle Bulb Finder is a quick and easy way to locate LED bulbs for your 2008 Mercedes-Benz C300. I don't see any exposed wire, just got my tail lights rewired and covered really well, first thing I'm going to do is replace my two switches that turn on the headlights and marker lights. Check the fuse and flasher. This is a classic bad ground problem. Turn signal problems, and diagnosis can get confusing. It was raining and the alarm on the car went off, all the lights in the car stopped working and the rear lft gate stopped working as well as rear locks. Problem with Exterior Lighting. ECO problem - not working day I used to turn the engine off manually at some signal and wait until green light and then start again manually (aprox. If service work is not carried out correctly, the operating safety of your vehicle may be affected. The same tail light circuit also turns on the license plate lights and the glove box light. But still no light. 264 s fz6 dealer video motorcycles for sale cycle trader 2013 yamaha fz 6 r videos. i hear the click for the turn signal, and i have them in the back, but not up front. I checked the fuse and that was fine. The signals and hazards are working now. Try finding that one when you are hooked up ready to go and in a hurry. I replaced the front bulb thinking that the rear would go back to normal. Hazard lights and turn signals use the same bulb, so it is not the bulb, the lamp, or the cables to them. Posted By: jons211 on 02/08/10 06:50pm We have a 2009 Challenger and all of a sudden we have only one brake light and turn signal working in the back. Third brake light on spoiler works. Signal lights can take many forms, including corner lights, bumper lights, parking lights, turn signals, hazard flashers, side marker lights and cab roof lights. In older Mercedes-Benz models, if you leave one of the turn signals on when you park the car, the parking lights activate for whatever side of the car you've turned on the signal for. All pictures and references to the Porsche name, and the car names and shapes are for restoration reference only, and do not imply any association with Porsche. A driver's safety is reliant on functional Mercedes Turn Signals. Well you decide to start the car anyway, hoping the light bulb is just burned out. 1988 560SL, hazard flashers, turn signals or brake lights do not work????? - Answered by a verified Mercedes Mechanic. also since there is a diffect in one or more of the Abs sensors,Automatically the asc and abs will light on. Only the driver side rear is not working. 1998 Mercedes Benz C230 Two Wheel Drive Automatic my car had an accident, after woking on it it developed problems like 1. Honda Civic: Why Are My Turn Signals Not Working Properly? While many are guilty of not using them as much as they should, working turn signals are a requirement when switching lanes on the road. Could be that the signal is not coming to the amp. com Car & Truck Turn Signals for Mercedes-Benz;. Some vehicle models combine the taillight, brake light and turn signal into one light bulb. Difficulty Level - 4. My car is running fine however the INSTRUMENT CLUSTER has stopped, which means speedometer, odometer, indicator lights are not working. I checked the trailer lights with my lights turned on and then with the hazard light and then individually with the signals, which all worked, but nothing with the brakes. I checked all the fuses and none of them are. High beam is not working Inspection Service A car’s headlights – or headlamps -- are essential for safe driving at night or in inclement weather. Always by your side: Added safety for multi-lane highways. Any ideas and how I can go on fixing it would help. Until I turned on the turn signal again. If you like to reset any maintenance oil light after an oil change. working with PG&E,” Bart Ney of Caltrans said. If the system is not working properly, a fault code will be set. We checked everything and that was my last resort before calling Comcast. the air bag, steering wheel, and binnicle covers will have to be removed for access. Even if you have never work on your car before it is never too late to start. Learn how to operate your vehicle's exterior light switch including the left and right standing lamp feature. (Sometimes the a bad front light will prevent the rear from working. Right and Left signal lights are down on my Corolla 1998; not only all four signal lights are not turning on, but also it doesn't show on the dashboard. working with PG&E,” Bart Ney of Caltrans said. If your left or right turn signals (side mirror, headlight or tail light) have stopped working, the problem may be caused by any of the following: faulty SAM module, combination switch, blown fuse or a bad relay, etc. Passenger side is working no reverse lights that I know of. My turn signals aren't working. I just replaced a rear bulb and the others work fine. Mercedes Diesel Glow Plug Repair. Sorry I never followed up on this posting. Right turn signals (front and back) and right emergency flashers are not working. The panel … Continue reading "2000 Jeep Grand Cherokee, Turn Signals Erratic / Not Working". My brake light on the trunk wor. The same tail light circuit also turns on the license plate lights and the glove box light. However, after a while, this will go away and everything will work fine. I just had to change the master cylinder and there was no switch on it just brake lines at least when I changed it at this point. Our Vehicle Bulb Finder is a quick and easy way to locate LED bulbs for your 2008 Mercedes-Benz C300. If this endless loop is occurring at a pressure above the minimum but below the ideal, then the system will operate normally but the pump will be working extra hard. SYMPTOM SUMMARY The turn signals do not flash or they may flash in only one position or one side may remain on constantly with the switch in the off position. Hi all, I have a 2002 C240, I searched for this topic quite a bit and am hoping someone can help me with issue. In most cases it is a blown fuse or a defunct flasher. Since the TS's work, we can assume the fuse is good (it controls the BOO and TS's as I recall). Older Mercedes installed radios can only receive 140 channels so when more than 140 channels are pushed to the radio, it goes into a acquiring signal mode. I cannot get the running lights to work at all. Bad flasher will either make turn signal lamps stay on or not work at all. On the LT rear I have a blinker, and reserve but No tail or brake lights. 1) I have changed the bulb. Is anything else not working? Check the wiper deicer (if equipped) to see if the "on" light activates when the switch is turned on, and if the back-up lights work. Do not enter the intersection if you cannot get completely across before the traffic signal light turns red. A light keeps coming on in the truck that says lamp out. It can be that the left or right low beams, fog lights or turn signals may not work. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. You should be able to listen close to the Body ECU, reach up to turn the light switch, and verify that there is a relay click. The Mercedes-Benz Owners is a completely independent organisation. Mercedes-Benz C-Class Electrical Problems. Do not enter the intersection if you cannot get completely across before the traffic signal light turns red. With longer nights and darker days, winter provides the perfect excuse to spend a little extra time tucked up under the covers. Turn signals only work when the ignition is on; hazard lights work whether the ignition is on or not. I got no signal, hazard, or brake lights on 2008 ford E-350 truck. working with PG&E,” Bart Ney of Caltrans said. Recently, I've noticed that the passenger side light is not working as a DRL. “Sometimes, they’re not always broken,” Manouchekian says. I only have a basic knowledge of car mechanics, so if I left anything important out, just let me know. I'll be sure to check those fuses, thanks for that information. Posted By: jons211 on 02/08/10 06:50pm We have a 2009 Challenger and all of a sudden we have only one brake light and turn signal working in the back. This switch sends signals to activate critical vehicle systems. Turn signal light is not working Inspection Service Turn signals are not only an important safety precaution, but also a legal requirement. Turn signal problems, and diagnosis can get confusing. The fuse is good Thanks! Solved: Pulled out the square blue 2537A flasher unit from the fuse panel that is between the door and the dashboard on the drivers side. Using your parking lights and turn signals to communicate with other drivers is the safest way to drive your Mercedes-Benz 560SEL. It is also used when the vehicle is changing lanes. Car interior lights can be broken down into different categories like dashboard lights, dome lights, map lights, and others, and they can fail all at once or one at a time. Now with the key in and I hit the right turn signal, they workbut noticeably dimmer than the other side. Any ideas of what this could be would be greatly appreciated. On smart key systems like these, the driver needs only to walk up to the car and the doors unlock automatically. I was driving my '99 Mustang GT and suddenly my turn signals stopped working, checked my hazards and they didn't work. almost same as people are talking here. I push it back in, check lights, they work! Every light that had an issue now works. The turn signals on my car suddenly died today, even though the hazard lights still work which use the same physical light, and I can't get it repaired until Monday. First, tail lights and brake lights are usually right next to each other on the vehicle. You should be able to listen close to the Body ECU, reach up to turn the light switch, and verify that there is a relay click. Have checked the switch at brake pedal and it is okay. The bulbs all looked clean and serviceable. The problem is that the light sockets themselves are not grounded properly or at all. Escape & Escape Hybrid - Rear Passenger Turn Signal and Break lights not working - My rear passenger side blinker and break lights don't work. DIAGNOSE - THE TURN SIGNALS DON'T WORK OR DON'T WORK PROPERLY Part 2 By Reiner B. I have a 1973 Ford F250 that I'm working on getting fixed up. dirt, ice, snow and slush) or there is an interference from other radio or ultrasonic signals (e. If the rear turn signals work then your problem with the brake lights is not in the trunk area. Read on to avoid paying a costly ticket. If service work is not carried out correctly, the operating safety of your vehicle may be affected. It is on a flat four pin wiring harness. answer yes the hazard lights stop turn sinals from working there are only 2 elements in the bulb one for stop and one for turn hazars use same eement as turns signals it is for that. - 2013 Mercedes-Benz ML350 Close. Believe it or not, the answer to this must be exactly the same amount of time as it was for light: 8 minutes and 20 seconds. not sure which one to replace next. Right after paper manuals they went to CD’s then everything went on-line and the dealerships through all the paper and CD’s awayI grabbed a few. There is a second one mounted on a clip up under the dash near the steering column that does the turn signals. They not only improve your view of the road, they also make it much easier for other drivers to see your vehicle. My car is running fine however the INSTRUMENT CLUSTER has stopped, which means speedometer, odometer, indicator lights are not working. Some vehicle models combine the taillight, brake light and turn signal into one light bulb. Although replacing it the last time did workbut wouldn't the lights go off if it was disconnected? I'm going to check all three lights next to see if any are that dual filament typeand if anything looks odd. Turn signal problems, and diagnosis can get confusing. Using diodes is probably an easier way to make your new signals work than the LED method described below. I flip the headlights on and do see the rear running lights light up, but alas the brake and turn signals don't work on the rear. Not working: Hazard flashers Turn signals Brake lights However, head and tail lights both work when they're turned on. At first, I thought it was the whole led strip, but it's not because it would work certain days and it wouldn't work. The diaphragm is moved by an electromagnet and contact breaker, like that of an electric bell. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. Appreciate any feedback from other RClass owners. I got no signal, hazard, or brake lights on 2008 ford E-350 truck. Believe it or not, the answer to this must be exactly the same amount of time as it was for light: 8 minutes and 20 seconds. I push it back in, check lights, they work! Every light that had an issue now works. Even though Mercedes Parking Lights are not legally required in many countries, they can still be essential for your highway safety as well as ability to be seen. For instance, if we say that light is able to irradiate all the members of the body, yet by none of them can it be received except by the eye. Not only was he ready, not only was he at just the right depth (the Browns actually challenged the spot unsuccessfully), but the play was the result of Sanu picking up Brady's "alert" signal before the snap and remembering an adjustment Brady told him about early in the week. Driving test question about: If a traffic signal light is not working, you must: and possible answers include: Stop before entering the intersection and let all other traffic go first. Hi all, I have a 2002 C240, I searched for this topic quite a bit and am hoping someone can help me with issue. Difficulty Level - 4. I only have a basic knowledge of car mechanics, so if I left anything important out, just let me know. I had someone flip the relay switch and everything came back on. We checked everything and that was my last resort before calling Comcast. This is what i have done so far. 2004 Mercedes-Benz S430 Lights Problems. What happens is that when you use the turn signal after driving and have been using them for a while, specially on a warm day, it stops blinking. Checked fuses and bulbs. Mercedes Turn Signal Relay - Genuine Mercedes 0025422119 C230, C280, C36 AMG, G500, G55 AMG, G550, SLK230, & more. If you like to reset any maintenance oil light after an oil change. Handling a tail is not like what most people have read or. As of today when I went out to start it neither the running light or brake light are working. Not only was he ready, not only was he at just the right depth (the Browns actually challenged the spot unsuccessfully), but the play was the result of Sanu picking up Brady's "alert" signal before the snap and remembering an adjustment Brady told him about early in the week. after working on the rear light harness and replacing the turnsignal switch, interup switch, headlight dash switch, all my lights mysteriously started working. Headlights being on/off do not affect above problems. Be the first to get exclusive updates. Where is the fuse located in the PDC on my '05 for the trailer tail light circuit? I think my trailer tail light fuse is out as I have no taillights?&src=tdr">tail lights on either of my trailers but the truck tail lights work fine. I checked all the fuses and none are blown. A four-way stop B. Mercedes said sorry, that's not good enough, this is the safety of my family and others that own these vehicles. Edit: Ok, so looking through my manual, it says that if my turn signal arrows aren't showing up in the car as I use them, then the fuse. Lights not working – We have seen many Mercedes-Benz where one or a few lights don’t work. Easy step by step guide on how to repair an automotive turn signal system that is not working, this information is presented in the order of probability and pertains to most vehicles. SL 500 Automobile pdf manual download. So, if you have turn signals back there the wiring all the way to the lights should be OK. Once you correct that (gateway setting, failing adapter, failing MicroCell, etc) we can work on the other. Most common problem sources include bulbs, wires, connectors, fuses, flasher units, and switches. If it was working normally, I would turn the signal switch either left or right and that switch would stay either left of right until the turn is completed. Why some of my lights not working 2 Answers. If service work is not carried out correctly, the operating safety of your vehicle may be affected. Remove the bulb, rotate 180 degrees and reinsert. I have checked the fuses with a light tester. In this situation, you may require specialised fitting service. ECO problem - not working day I used to turn the engine off manually at some signal and wait until green light and then start again manually (aprox. I curently have no "rear" "lower" break lights, or turn signals. You’ll need this number to register your radio in your name and. Break lights work. Aston Martin warning lights, car warning symbols such as engine management light, ABS light, airbag light this guide will help you. Company name or job title. So, I hooked up to the trailer to test the lights and everything came on. If only the red distance segments illuminate and no acoustic warning sounds, the Parktronic system sensors are dirty (e. It is on a flat four pin wiring harness. As we've discussed previously, anything electrical needs a 12 volt feed and ground to work. Turn on the headlights and then brake lights and turn signals do not work. Click here to find out color meaning. Mercedes Sprinter Intermittent Turn Indicator - Cure. Heavy fines or even accidents could occur because of faulty indicators. Turn signal light is not working Inspection Service Turn signals are not only an important safety precaution, but also a legal requirement. But still no light. The only part I can think of that is common to hazard lights, turn signals, and brake lights, is the turn signal switch on the steering column. Depending on the vehicle, the instrument panel backlighting can be on a separate fuse. Perhaps (if you are lucky) the connector fell off. Buy online, pick up in-store in 30 minutes. Tail Lights Turn Signals Not Working Sportbikes Net 2013 Yamaha Fz 6 R Videos 2013. Intermittent problems like this one are always a real pain to track down, and it probably said something like "Could not verify customer concern" on the repair order. Also, I can see the dash indicator for the right signal lights up when I turn on the headlights. A ModuLite is a trailer light power supply module which provides power to the trailer lights directly from the tow vehicle's battery. Buy online, pick up in-store in 30 minutes. (the front right turn signal works fine) I replaced the bulb, and nothing. not sure which one to replace next. Best Answer: the turn signal switch is bad. So I had just put in a new turn signal relay, my thought process was something is fucked up with wiring and that might be causeing my problems, so I go pull the turn signal relay, the other relay (very long) right beside it feels loose. Mercedes Diesel Glow Plug Repair. Usually, in relatively new cars, it's just burned out bulbs or fuses, rather than wiring problems. I replaced the battery in my 2001, however when I went to use my tun signal everything went out. What could it be?. I have a confusing issue here when I do not have my headlights/parking lights turned on, my turn signals work excellent, both of them. That it is the full procedure how to reset service light indicator Mercedes SL 500. Left rear tail light of my ML430 will not work when headlights are on. Occasionally, my left rear turn signal will stop working. To see how frequently Mercedes-Benz C-Class problems occur, check out our car reliability stats. I took the connector apart to have a look. Could it be M-ASK fault or Sirius satellite?. The glass filament style bulbs work fine, but the 3157 switch back led bulb will not light when I switch on the turn signals. I plan to replace the rear turn signal tomorrow. It may not work, or not as well, if your state waits until the lane markings are faded before repainting. Do any of them work at all?. The brake lights on my trailer are not working when hooked up to my vehicle, but the turn signals do work. Still doesn't work. Just missing the trailer tail lights on all truck plugs. This switch sends signals to activate critical vehicle systems. Company name or job title. Mercedes Turn Signal Relay - Genuine Mercedes 0025422119 C230, C280, C36 AMG, G500, G55 AMG, G550, SLK230, & more. I also read some where that it has something to do with emissions, I’m not 100% sure, but I do know how to fix it! You’ll know if you have the K40 Relay problem by the following symptoms: Your car is not running great, the throttle is not responsive; When you turn the car off, you smell the faint smell of gasoline; Your check engine light is on. Coming soon. I don't see any exposed wire, just got my tail lights rewired and covered really well, first thing I'm going to do is replace my two switches that turn on the headlights and marker lights. So, I found that my brake lights were not working because a lot of my stock connections did not have good continuity. When it arrived at the shop they were not working at all.