Mercedes heated seats not working I tested the voltage at the input plugs under the seats while the switch was pressed and discovered very low voltage, suggesting that Sep 3, 2023 · Conclusion If your car’s seat warmer won’t stay on, there are a few things you can do to fix the problem. . It is recommended to first check the fuse box and replace any blown fuses related to the heated seats. Not sure if the 230 is that different from the 320. Also, the lumbar feature seems to not be working. I shut the car off, open the door, close the door, start the car, and it work again No issue with the passenger seats, only the driver seat. The three lights on the button illuminate for around 2 seconds then go off, on both sides of the car Any ideas?! Nov 26, 2010 · I got cd220 w204 on 8 plate heated seat switches don't light up got replacement panel both switches and p sensor seitch all included sealed unit replaced it p sensor switch lights up but still not seat switches any ideas please!!! Dec 20, 2016 · 2010 E550 4matic, Anyone experiencing the drivers heated seat not working properly? It just started on me and it doesn't really feel like its getting warm. amazon. (Drivers worked fine always. The heated seats are not w 2008 W211 E320 cdi Sport, UK RHD. Oct 8, 2024 · Curious if I'm doing something wrong, I put on the driver's heated seat and it only stayed on for a min or so. I assume both the base and the back are both meant to heat up? I am pretty sure neither are working. I have the seats installed but a few problems. By understanding how they work, recognizing common problems, and applying quick fixes, you can keep your heated seats functioning reliably for years to come. Jan 28, 2024 · I have a 2001 230 and want to figure out why they don't work. paypal. Jan 5, 2021 · I need wiring diagrams for 2007 ML320 heated seats not working. Replaced the switch in the driver door and still doesn't work. Overall very happy with the car that I got, got all the specs that I wanted with one exception to this: the heated seats. Nov 20, 2014 · Here's a strange set of symptoms and a simple solution which may or may not work for others: Symptoms: All of the switches on the panel where the hazard lights switch is stopped working. Jan 12, 2014 · Noticed both my heated seats stop working at the same time. So, where Jan 16, 2021 · So this week the drivers side heated seat isn't turning on. Mechanic's Assistant: I'm sorry to Nov 25, 2023 · E-Class (W211) - 07 Mercedes E350 4Matic driver heated seat not working - I have a 2007 Mercedes E350 4Matic Sedan. During the winter, when I clicked the heated seat button on the driver side, it lights up, then turns off after about 10 seconds. Hello everyone in this episode I will show you how to repair the electric and heated seats of your car at home and easily without special tools. The car was initially ordered with the option ticked and the buttons work (all 3 levels, as described in the owner’s manual) but the seats do not actually heat. Feb 2, 2023 · Any of you guys having issue with heated seats? I have a 2015 Gla250. Couls this be a bettery problem? But my start/stop works and the Mar 18, 2024 · The driver heated seat was working fine until today, when the lights shut off after 3 seconds. Every others Donations https://www. I bought the car used, so don't know the history on when the seat heater stopped working. Nov 12, 2009 · Hi there, does any one know if there is a common fault with the seat pads? Drivers heated seat (base) has stopped working, must sense winter is here! What are the things to check and are there any cheap replacements. i can replace it myself? wat parts do i need? how hard is it? and do i have to replace the whole seats or just the part in the seats?? thanks for all your help guys. Has anyone had this problem or know the fix for this? I'm hoping it's not going to be a very expensive See full list on bryansgarage. I start the car, i press the button, the 3 light doesn't light up. Tried using MB2 to read but there isn’t a module for heated seats. Over time, these components can wear out or become damaged. uk/shop/sirobbMeters shown or alternatives to those in the videoFluke 117 https://amzn. I tried all 3 settings and each time it would turn off after about a min, just enough time to start feeling the heat. I replaced the driver side lower element because it was burnt out. to/2UjdIS Air Conditioned Seats not Working? How to Diagnose Air Conditioned Seats in Your Car, Truck, SUV 1A Auto: Repair Tips & Secrets Only Mechanics Know 2. The passengers side works fine though. A few times it's stopped working mid drive and I've noticed a ticking noise. A blown fuse is a common culprit; if your Mercedes seat heaters suddenly stop May 11, 2015 · I have a SL55 and the drivers seat is currently not heating. Feb 17, 2018 · Since the last 3 days, my driver heated seats work 1 of 2 times. Heated seats provide soothing warmth that can help relieve muscle tension and improve overall comfort. com/watch?v=W-AUuf1MBqc&t=29sDon't forget to subscribe = https://www. I checked for a bad fuse and found one fuse within the kick plate inside on the Aug 16, 2024 · both heated seats stopped working If both heated seats in a vehicle have stopped working, it is likely due to a common issue such as a blown fuse or a malfunctioning heating element. I own a 2002 Mercedes E320 Wagon. I removed both seats and examined the continuity of the seat heater circuit. Jun 9, 2014 · Hi, The heated seats do indeed have a relay and this is normally fitted as part of the heated seat switch assembly, if the lights on the switch are working this tells you the relay is working correctly. been battling this issue during startup and now its also while driving. Thank you Jan 31, 2025 · Passenger side heated front seat on my W164 ML500 began to play up and button would only momentarily light all 3 bars for about half a second then go out. After replacing the element, nothing happens. co. Anyone have any ideas Feb 6, 2015 · As stated in the title my passenger power seat doesn't work at all, down, forward, backward, backrest, headrest, memory function nothing works at all. What and how to look after Jan 20, 2019 · Heated seat has stopped working on the drivers side. First, check the fuse. No lights on the switches, no heat. com Oct 4, 2025 · In summary, Mercedes heated seats are a valuable comfort feature, but like any electrical system, they can develop issues over time. 73M subscribers Subscribe Nov 25, 2007 · hey guys i have a 02 slk and had the heated seats replaced before. I'm presuming it's the elements that have gone although strangely when I had a similar thing on my Volkswagen Passat the back kept working it was the squab element only that packed up. The seats move up and down and backwards and forwards with no problems. It has, amongst other equipment: 241 ELECTRICALLY ADJUSTABLE LEFT DRIVER SEAT W MEMORY (passenger) U10 FRONT PASSENGER Apr 28, 2020 · Hi My W212 doesn’t want to heat the driver’s seat. The driver's heated seat switch was showing three red lights which could not be turned off, even though the Found 4 result (s) for your search Both front heated seats of w211 not working Mechanic's Assistant chat Customer: Both front heated seats of my vehicle are not functioning. I know that the back was working previously - the AMG badge is metal and would heat up to be uncomfortable to the touch. The back works perfectly fine. Sep 23, 2025 · Summary: Whether you’re dealing with the driver side heated seat not working or need a 2017 Mercedes seat heater issues symptoms & DIY troubleshooting guide, diagnosing and repairing heated seat problems require a systematic approach. Jan 6, 2010 · Hi, The only components in the system are the seat elements, seat switches/control pack, if the fuse is intact, and the switch indicator lights don,t work, i would say that the seat switches/control pack is U/S, I can give you the wiring drawing for the seats if you like. Dec 12, 2014 · The passenger seat worked fine. If it's not the connector (the easiest check) the most likely culprit is a broken heating element. Ended up taking it to the dealer to have it resolved. In my case it was an orange cable and a blue and black wires I have a 2001 E320. I have just recently bought a 2010 E350 CDI SPORT 5 door. (not 100% sure though). Anyone know of similar issues and what the cause was? Passenger side works as normal. Sep 6, 2025 · Electrical Issues in Heated Seat Systems One of the most frequent reasons for Mercedes heated seats not working is related to electrical problems. but now my warrenty expired and the heated seats are working again. of course when you take it to the delaer it magically works. Can anyone tell me where to get the wiring diagrams or service manual, or does anyone have a Mar 30, 2015 · I have a fault with my heated seat on the drivers side, when two lamps are illuminated the seat does not heat up. I have made a video to show differences in either side, do you think the switch is the cause? Many thanks Jan 7, 2024 · The driver side heated seat in my '14 250 model has only been working intermittently lately. Has anyone encountered this issue We demonstrated where the front heated seats fuse, front heated seats does not work fuse is located on 2015 Mercedes E350 but the video may be helpful on: 2010 Mercedes W212 front heated seats Customer: My heated seats won’t respond when I press the button. My 2003 E500 both front heated seats do not work, the lights on the switch panel do not illuminate. Finally, if neither of those solutions works, you may need to replace the seat warmer switch. ) I checked the connections under the seat. Seat adjustments and heat stopped working. However, after about 5 seconds all 3 lights go out and the seat isn't warm. Any ideas? Tym Sent from my iPhone Customer: I have a Mercedes GL450, and the heated seats aren't functioning. i needed the switch anyway but before I throw any more parts at this thing anybody Oct 20, 2008 · My passenger side heated seat works perfectly fine, but the drivers side does not. If the fuse is blown, replace it with a new one. When it stopped working the other day, I also noticed the memory seat functions weren't working either. Both heated front seats sw Nov 13, 2009 · Hi all I own a 2003 E 500 Mercedes and my heated seats are not working any longer. I turned on the passenger seat and it stayed on for well over 20 Oct 30, 2011 · DIY Retrofit Heated Seats in W210 I hesitate to start a new thread on heated seat retrofit because there are dozens of threads out there on this topic. One the left side, the led Oct 23, 2016 · It appears, due to the fact I don't get any warmer, that the heating on my drivers seat is not working. I've checked under the seat with a torch and can't see Jan 19, 2024 · Is your car's heated seat not working? These are some of the most common reasons why your heated seats aren’t working. Is Customer: heated seats not working in 2001 mercedes slk 320 Mechanic's Assistant: Is the heating out on both seats or just the one? Customer: both sides Mechanic's Assistant: What's the model of your 2001 Mercedes? Customer: slk 320 Mechanic's Assistant: Is there anything else the Mercedes Mechanic should know before I connect you? Rest assured that they'll be able to help you. Now, I'd assumed that it was one of the heater pads in the seat base that had broken - not the seat back. Jun 11, 2018 · A heated seat repair cost can vary widely depending on the vehicle and exactly what's wrong, but in general, it's not inexpensive, primarily because of the time required to diagnose and repair the problem, which almost always involves removing the seat from the vehicle. Oct 28, 2024 · 2010 W212 E350 4MATIC: The driver side heated seat will turn itself off within 5 seconds or so. How do I know if my Mercedes-Benz is equipped with Heated Car Seats? Many Mercedes-Benz models come with Heated Car Seats as a standard or optional feature. I believe the car has the MB Tex and the seat has a crack in the leather (the 2nd stitch on the bottom of the seat). I have checked the fuses by the driver door panel and all seat harnesses underneath to make sure they are plugged in all Jan 24, 2013 · Hi, I have added heated and ventilated seats in my 98 E430. Hi everyone, I got a 2017 Mercedes A180d, as my second car ever last week. Customer: the . and does anybody have a diy for the heated seats? Oct 21, 2007 · 1 fuse (20-25amp) covers both seats. No cluster messages or diagnosis. Neither seat activates. Jan 20, 2007 · The reason the seats are affected is that the electric fan 'motor' develops some kind of short circuit in the windings that soaks power from the battery causing a voltage drop, when you turn on the heated seat the lights flash to indicate a malfuntion because the battery voltage is too low and the seats auto disable themselves. Both seats have a continuous circuit. : ( Both of the lights on the seat heaters when you press them do not Jan 8, 2019 · Hi everyone I'm new to this forum so hopefully someone can help me. If that doesn’t work, try resetting the seat warmer by disconnecting and reconnecting the battery. I have already checked the fuses under FULL Video=https://www. the driver's seat heater is not working. Just terrible implementation really on what's supposed to be a "luxury" E class. Has anyone had this problem or know the fix for this? I'm hoping it's not going to be a very expensive Feb 1, 2021 · Have 2019 C Class Coupe and recently replaced the interior with red leather interior from 2018 C class coupe (car had been written off got interior from it) however when seats were all connected up when you heat the heated seats button the switch lights up but turns off in a few seconds - Aug 27, 2022 · Hi all, I am calling help from the Mercedes Brain trust!! (yes I have searched extensively!) I have a 2014 Australian (RHD) delivered GLA250 Vin WDC1569462J016174. me/SiRobb/https://www. youtube. The switch on the door works and 3 lights illuminate (heat control). Any help gratefully Hello, I am experiencing a strange thing on my w205 mercedes benz c300 coupe 2019. Im having issue with my driver side heated seats. I presume you have to remove the leather trim etc. Turned out to be a loose cable under the seat, if I moved the cables around it would sometimes rectify the issue. May 24, 2021 · I have a problem with the heated front seats on my W209 2006 CLK Cabriolet. The problem you have sounds like it is a dodgy or blown fuse, which one on your model I,m not sure but it will be around 20-30A. May 6, 2025 · Wondering why your heated seats stopped working overnight? Learn common causes, repair costs, and temporary solutions to stay warm while you wait for repairs Feb 3, 2022 · I'm not up on modern Mercs, but the leather upholstery at the rear sides of the seat back (accessed from the rear passenger foot well area) can usually be pulled apart slightly to gain access to the heated seat pad connector. I press the button to turn it on, the 3 lights come on for a few seconds and then turn off. All other functions of the seats work fine. This guide is how to fix the seat base - that's the more commonly broken part (from people kneeling on the seat for example). I dont think that a disconnected seat / broken wire / dodgy element will cause the switch light not to work. The 2 little red lights on the switch come on indicating high and low setting and I do here the relays clicking on and off, but no heat to the seat. com/channel/UCduwnOoq2Nb5qiuYcrhQlLg?sub_confirma Heated seats just turn off on their own accord. I do know the car was maintained at MB, and none of the invoices for the car (I have all of them since new) mention any Heated seats not working Mechanic's Assistant chat Customer: Heated seats not working By the end of this video, you'll have gained valuable insights and troubleshooting skills to tackle common problems with Mercedes-Benz Seat Massage Dynamic Support. The passenger side works just fine. Sometimes it'll suddenly start working again but it's short-lived. Doesn’t happen on the passenger seat. Anyone have a wiring diagram? I found a wiring diagram posted by S/R Concepts back in 2019 for a 320 that says fuse 34 is hot all the time but mine is not. Jul 19, 2024 · Have you found a resolution to this? Mine is doing the same exact thing. The seats do not heat or cool. Other times the heated seets work as expected having all 3 levels. When I tap on the heated seats button, all 3 lights come up as they should, but then they all go away and no heating is provided. The back part is heating perfectly but not the bottom part Oct 28, 2021 · I've read a few posts about this issue but there was never any conclusion. Dec 7, 2023 · Hello, the heated front seats in my 210 wagon have abruptly stopped working. One thick wire from fusebox to switch panel, and two smaller wires from switch panel to the seats - seats also connected to ground of course. And other times the 3 lights dont come up at all. Jan 30, 2023 · I wondered if anyone can help the drivers heated seat works on the back but not on the base. Jan 5, 2019 · Heated Seat lights would turn on then turn off after a couple of seconds. The LEDs on both switches flash for a few seconds and then turn off. I can rule out a fuse since started to work for a while but then just stopped working again. The problem I have is the drivers side heated seat bottom doesn't work. Jun 6, 2019 · So this week the drivers side heated seat isn't turning on. Unfortunately, most of them are very short and light in details. I looked underneath both seats and I believe Nov 11, 2023 · I’m pretty tech savvy but for the life of me I can’t workout why the Heated Seats are not staying on. This happens to the driver side only, and i have had the same problem with the driver airscarf 3 months ago, and after i tapped on a connector from under the seat it worked. Both heaters have stopped working and as far as I can tell, they both stopped Nov 10, 2025 · Having trouble with a heated seat that keeps turning off? Here are the most common culprits and how much it's going to cost to fix. Previously, the switch would turn on for two seconds and then shut off, while the passenger side would activate. The heated seat system relies on a network of wiring, relays, fuses, and switches to function correctly. I press the button and all 3 LEDs light up, but a few seconds later they all go out again. jhubdyy sliu xkkqr eidrmp pzc ygha cwvz gxeefn duvd nbktfk vegmbkr dvhue cwtoltu eiiit qzrxl