Mercedes c class fuel gauge not working My temperature and fuel gauge also stopped working. Dec 23, 2020 · The gas gauge reads 'empty' even with plenty of gas in the tank. It's about $90 on Amazon. The signal on Mercedes-Benz must be sent to the rear SAM since it is the closest unit in the Controller Area Network. I went through all the fuses under the hood and in the trunk and found nothing had blowen. the tachometer, fuel gauge and temp gauge are not working. Does Mercedes use a normal type sender unit in the tank with a float arm that varies electrical resistance as the float moves up or down? Aug 21, 2015 · Having replaced the engine and gearbox on my 1973 SL, and finally got it running. The cause is overfilling the tank. If you have fault fuel gauge, it is likely an easy fix. This should work on 80s-90s-2000s Mercedes benz. What fix should I try first? or 3. When FULL TANK the gauge only indicates 1/2" (HALF) Full. Sent from my VKY-L09 using Tapatalk Jul 27, 2008 · Today I filled it up again and I just noticed the same thing the gauge is not working. The fuel intake side have the Fuel pump under the rear seat and the other side has the sending unit. Temp gauge, fuel level, tachometer, and speed are all zero Dec 13, 2014 · hi all, i have a 94 w202 and the fuel gauge seems to be faulty?? most of the time when i start the car, the fuel gauge would not move. My engine temperature gauge just stopped working. 5. The dealer will tell you the same thing I did in the second paragraph. Switching off and back on sometimes makes it behave normally; other times after I have been driving a few minutes the gauge Feb 6, 2021 · The indicators are not working at all and the fuel gauge is reading empty with the orange light on. On modern Mercedes vehicles, the dashboard is far more than a collection of lights it’s a digital command center that communicates vital information about your vehicle’s performance, speed, and safety systems. You might find that the gauge will begin registering after driving awhile. I appreciate much all comments and help Jun 12, 2008 · My fuel gauge has started behaving as if it is sticky. I am not sure I have to replace it with a new part. The symptoms might let the gauge sit on or work intermittently then is goes to empty. Dec 19, 2010 · I returned home from a year long deployment in Afghanistan to find out my wifes 2005 C230's has a list of things suddenly stopped working at once: turn signals fuel gauge sun shade rear head rest (button that drops head rests) alarm alarm off tow button thing electric drivers seat adjustments Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Have replaced A non-functioning fuel gauge with backlight on often indicates a faulty fuel sending unit or wiring issues. The previous owner replaced the rear SAM with an incorrect one, so I got the correct one and coded it for the vehicle. You can try a general search on W202 fuel gauge. Is there a TSB on this issue? 2. Did you find what wrong with the instrument cluster in your car. The problem now is that the gauge is not working properly. When hooked up to a scanner, it says the fuel sender #2, is stuck. Fuel Level / Gauge not working – The sending unit installed in the gas tank records the fuel level. Never totally trust a fuel gauge on a 20+ year old car, especially on one you have just purchased! If you have an old diesel at least carry Apr 2, 2014 · Is it possible that mechanic snagged fuel level float on the fuel pump (passenger side) during the installation process, and this could be reason why fuel gauge is not working properly. I'm assuming this is a sending unit problem. Speedometer ,tach and gas gauge do not work as well. The gauges work when car is parked overnight. Ever run out of fuel and you just knew your fuel gauge was reading at least a quarter of a tank. 2K views 2 replies 3 participants last post by omarc220 Apr 30, 2010 R How to reset a faulty fuel gauge in 2001, 2002 ML320, ML350, ML55 W163. This fixed Nov 25, 2020 · Hey guys i got a question i changed my fuel pump and my fuel gauge stop working. If your fuel gauge is stuck on full or low the problem can by causes by various reasons such as a faulty fuel sending unit, wire Jun 5, 2010 · This leads me to believe that the problem seems completely dependent on the start of the C280. Turned key to position 2, pulled out fuse 5 with nose pliers in the fusebox located near front passenger Oct 14, 2016 · So I had the fuel pump replaced on 2001 C320. I drove to my office, searched BenzWorld and discovered fuse 5 technique. I filled up 2 weeks ago driven 100+ miles or so and the fuel gauge is staying between full and just slightly under full. After replacing both pumps FUEL GAUGE in the Instrument Cluster is not reading accurately. The customer co May 13, 2025 · Discover common causes and quick fixes for a Mercedes instrument cluster not working. This is not true. anyone had this issue before? is it a fault with Feb 16, 2011 · instrument dial not working Have a problem with c class, instrument dial display, electric windows not working when ignition on. Then I pressed and prodded on the rear of the circuit board. Replaced LED Display. Jan 11, 2021 · Hi I've just had a new battery installed 3 days ago not sure if this could be problem But I've got in to car today and dash has gone totally blank Got no speedometer no fuel gauge even buttons on steering wheel has gone off Indicators still work but no indicator sound and lights still May 15, 2007 · A non-operating gauge would likely be either a defect in the instrument cluster or an interruption of the fuel delivery signal between the cluster and the FI controller. An unscrupulous shop might use the chemical additives, charge you money, then hope Customer: Hello, I have a 2006 Mercedes-Benz C230 Sport. The needles started flipping when I pressed at the top left of the CB while looking at the dials from the front. has anyone had this issue and if so are there any suggestions/answers, hopefully without the need to go to the dealership ! Jun 23, 2025 · Mercedes-Benz C300 Mercedes-Benz C300 fuel gauge shows incorrect value, resolved by resetting Combi Instrument Display fuse - 1 reports. Dashboard Gauges are not working. 1. I REPLACED THE FUEL PUMP IN MY WIFE'S 04 C230 KOMPRESSOR (MECHANIC TOLD US THE FUEL PUMP WAS TOAST) BUT STILL WAS GETTING NO FUEL TO THE ENGINE WHICH OF COURSE WOULD NOT START . Would this indicate I need to replace the lefthand side sender? I assume this means the SAM unit is working fully in the rear. Fuel gauge display works until ignition on. Not sure on resistor, but the one with low resistance is bet Mar 19, 2013 · Hi all, I have a 2002 C240, I searched for this topic quite a bit and am hoping someone can help me with issue. I found out the new instrument cluster cost ~$1500 excluding labor. Mar 24, 2025 · Explore common Mercedes C-Class fuel pump problems, causes, owner feedback, and recall information to stay informed. Jun 20, 2014 · All times are GMT -4. Sometimes it will show the correct level and most times usually at start up it shows empty. Mechanic's Assistant: Can you turn the steering wheel at all? Aug 22, 2013 · The fuel gauge started working halfway to work after I removed the left hand side fuel sender and cleaned it last night, however when i turned the ignition off and back on it was dead again. Stay on top of your car’s fuel system! An excellent and affordable gauge we have used is the Actron Fuel Pressure Gauge, which works on Mercedes-Benz cars. when the ignition is off you cant see the needle as it drops down out of sight but when you start the engine the needle lifts up to 0 but wont go any further and tell the true Mercedes Fuel Gauge problem Fuel Gauge not working fuel gauge kharab Fuel Gauge problem yah gadi Kafi time se Khadi Thi Jo hone wiring Kat Di Agar Aapko Hamari video acchi lageti hai to like share Mar 7, 2019 · After changing my dead battery, I've been left with the fuel gauge showing full all the time the car is on. 00). If you have a faulty fuel gauge, it is likely an easy fix. org) “There’s no right way to do a wrong thing” 1997 R129 SL500 Sport Pano, 2010 W251 R350, 2014 W212 E350 Reply Like jmr620808 Discussion starter Feb 20, 2015 · 1998 SLK 230 R170. Learn about this problem, why it occurs, and how to fix it. (400. How do I troubleshoot the problem? - Mercedes-Benz 1995 C-Class question Most of the 30 plus-year-old fuel tank level sending units need to be removed for a good service. AFTER MESSING WITH IT FOR SOME TIME , I ORDERED THE FUEL SENDING UNIT FROM Feb 14, 2023 · The most common reason a fuel gauge is not working or is inaccurate is due to a bad fuel level sending unit. It can also be caused by bad wirings between the gauge and fuel sender or a blown fuse to the fuel gauge. My fuel gauge also does not work but that problem seems independent from the tach/speedo etc because it is possible for the fuel gauge meter to come on in the middle of a trip (usually when I make a sharp bend) but only stays on for a few seconds. A fuel pressure check on your Mercedes-Benz will tell you whether the fuel pressure is within range. If this fix does not work, additional troubleshooting is likely Jun 12, 2013 · Checked old messages and did a search, so hopefully, not hitting on something that has been covered a dozen times. Start by inspecting the fuel tank sender for corrosion or damage. brought car back in for warranty fuel pump replace. Jun 23, 2008 · I was wounderingyesturday I was driving around and my fuel gauge stopped working. Anybody else encountered this and have the fix? Or is there a reset procedure that needs to be followed? Any insight greatly appreciated. Not sure directly related but engine cooling fan starts as soon as ignition is on even when starting from cold. After starting, the light goes out, but the gauge remains at zero. Soon thereafter, the fuel gauge showed that it was empty despite a complete fillup. Mercedes C300 Car repair video W204 no power on instrument cluster. stopped working. For this test, you will need a fuel pressure gauge. I think they may have had the same problem with the replacement. Fuel level gauge says 3/4 of a tank until it goes empty, then if you refill, it stays on empty. intermittent empty and accurate readings. This article will look at everything you need to know about your gas gauge, including how it works, the potential causes of why a gas gauge would stop working, and Jan 15, 2014 · The instrument cluster was also recently dead, no speedometer, no gas gauge, no temp gauge, no center menu display, etc. There are some lingering questions. - fuel gauge vibrates slightly but permanently on May 12, 2024 · Mercedes dashboard display not working? Learn the common causes like fuse issues, wiring faults, or screen failure and how to diagnose and fix it. After a few gallons of previously full tank are used gauge registers reserve (1 malfunction) until next tank fill. In this section, we will discuss the common problems associated with a faulty instrument cluster and their symptoms, as well as the significance of gauges not working, pixel failure, and odometer Mercedes Benz GL 350 Fuel Gauge not working, we confirm the problem, diagnose , inspect and repair ! Follow us on Instagram / Facebook #csctechdep Don’t forget to like, comment subscribe and share ! In this video, we show you how to fix a common issue with the Mercedes-Benz W204 fuel level sensor or fuel gauge that’s not working properly. It is an MB known problem. Aug 18, 2024 · Is the fuel needle not working in your Mercedes? Learn the top causes like a faulty sender unit or instrument cluster issue and how to fix the fuel gauge fast. Cool 311K subscribers Subscribe Jan 1, 2009 · Thanks for the post about fuse #5 MY 2001 ML320 exhibited the fuel gauge problem today. Oct 8, 2006 · The first was the fuel gauge would not read above half even when the tank was full, after reading threads I found that the advice was to replace both fuel senders as the resisteance wiper electrical contacts get coated up from the unleaded fuel. Jan 26, 2021 · Hi peeps, the fuel gauge on my A150 (2008, manual, petrol W169) is stuck on zero. When I send my vehicle in for repair work its for one of two reasons. Jul 22, 2008 · An old post, I know. You'll learn how to remove the rear bench seat cushion Mar 6, 2008 · hello , No mather how much gas i put in it, the fuel gauge will not move from "empty" with the reserve light on in cluster Where sould i start to located this problem? Fuse is Ok. It’s not showing the correct reading May 1, 2022 · I've got a 2010 GL350 that I bought with some issues. Now it’s not moving from the zero position at all, even though I’ve completely filled the The COMAND system in my Mercedes C W204 switches off randomly and unexpectedly when the vehicle is in motion. This can lead to you filling up more often than you need to, meaning the car will always be carrying more weight, and you will have to go out of your way to the filling station. In cars without CAN / SAM, the signal is sent directly to the instrument cluster via two wires. An overview to reset a faulty fuel gauge in 2001, 2002 ML320, W163. then later it was working, then read empty again. Common to almost all models from the 1950's to the early 2000's. The other gauges work. the fuel gauge works fine until the tank reaches half way then it has a mind of its own ,also when i turn on the cars interior heater to hot and direct the air to my face the two centre heater vents just Mar 6, 2010 · With new cluster everything works ok except problems with fuel gauge not working due to new type cluster looking for MAPPS type fuel level sensors in fuel tank. The time now is 07:22 AM. It How Troubleshoot A Mercedes Faulty Fuel Guage part 3 Dr Cool Auto Fix 293K subscribers 27 In this video, we demonstrate the step-by-step process of removing and installing the fuel level sensor on a Mercedes-Benz C-Class (W204). Dec 8, 2012 · Can they show the invoice for where they purchased the sending unit? They should always work right out of the box. Jun 18, 2025 · A frequent culprit behind Mercedes fuel gauge issues is a faulty fuel sending unit. After turning off ignition, and then turning it back on, "nothing" goes: - temperature, fuel gauge, speedometer, and rpm meter. Drove today about 20 KM and engine stopped. At other times when I am at the stop light and put the car in Oct 27, 2023 · To find out why your gas gauge isn’t working, we’ll need to take a closer look at how it reads the fuel level and how it sends that information to the dashboard console. Jan 21, 2015 · My fuel gauge does not work correctly, some times it will say that I have a full tank and other times it will say its empty but the "low fuel" light does not come on it just simply sits on empty, some times it will just read a random amount. Any ideas would be appreciated ? May 24, 2021 · Hello, guys please am having some complications with my w210 c class, I have replaced the set of gauges the rear Sam and the instrument cluster all together. But I would definitely buy the Bentley manual. It now rests continually at empty, fuel warning light not on. FUEL PUMP FUSE REPLACEMENT LOCATION C250 C300 C350 Electrical Car Repair LIVE 344K subscribers Subscribe Jun 23, 2011 · I've never had to deal with the fuel gauge, so I can't help you. after picking up car the next day the gauge read empty but no out of gas warning. When the nozzle clicks off, that is it, don't squeeze in 35 more cents, that is it. Jun 7, 2019 · Bought a 2003 C240. In video you will learn why your fuel/gas gauge is not working. As soon as the COMAND is switched off, the music display closes automatically, the direction indicators stop working and the fuel level indicator needle gradually drops to zero. Fuel, engine temperature, oil pressure, rpm indicator just stopped working. Is there anything else in common with the gas gauge and the wipers? May 23, 2012 · Hi to all! I am new to this, so please forgive my ignorance! Here is (are) my problem (s) though: 1996 C220 gauges in cluster not working. Feb 27, 2025 · Top problems Fuel Gauge stuck on empty Solved Mercedes Benz C Class 1994 Sedan, manual, C180, W202 373000 miles Fuel gauge Fuel Gauge stuck on empty with the ignition on and the light also doesn't work Ebobla09 from other a month ago EB CommentSame issue here 1 report 1 Best answer (according to Ebobla09) MU Mubarak from Nigeria 23 days ago May 5, 2005 · i have a 203 c class and the fuel gauge dont work have tried a dash pod and the senders that fit in the tank but no joy ,can anyone help thanks Dec 12, 2010 · I'm having a problem with instrument gauges. All of a sudden all of my moving instrument cluster gauges stopped moving and are stuck at the bottom of their ranges. Aug 13, 2025 · Fuel Gauge stuck on empty Solved Mercedes Benz C Class 1994 Sedan, manual, C180, W202 373000 miles Fuel gauge Fuel Gauge stuck on empty with the ignition on and the light also doesn't work Ebobla09 from other 3 months ago EB Comment Same issue here mercedessource Tech help - This could be caused by one or even a combination of three things. w all fluids are all good. I have read a number of the threads discussing this and similar problems. Jun 18, 2009 · I've seen enough topics on this to start a thread about a common problem many forum members have experienced: Dancing fuel gauge. I got a used one came from a 2005 C class. Had to wait for 10min then started but stopped a few minutes later ,this continued until I made it home. I did a search on the gauge not working and found that it could possible be the FUEL PUMP or the FUEL SENDING UNIT. after awhile, it would sometimes come back to life with time varies from few minutes to even around 15 minutes. The Instrument cluster does not work. I ran diagnostics and confirmed Instrument Cluster is functioning Aug 12, 2024 · Cross linking that post here for future reference. Oct 9, 2012 · Thanking in advance. The problem with the fuel guage is that when i'm driving around and only make a trip of 2 miles, the reading drops dramatically, saying that I used up 2-3 gallons. The fuel gauge itself could also be damaged. Oct 15, 2002 · The fuel sending unit goes on all MB cars. Scan came up with a Jan 14, 2014 · My 2002 Mercedes c200k 2 ltr. Where do Discover common causes of fuel gauge issues, how to fix them, and how to prevent future problems in this in-depth guide. ONE THING I HAVE NOTICED is that when i turn May 29, 2003 · I just got a ML350 a few weeks ago, it only has about 600 miles. If your fuel gauge is not registering this is most likely going to be a fault with the fuel level sending unit in the tank. I've got all of them sorted out except the fuel gauge, which always reads empty (low fuel light isn't on). Apr 20, 2024 · Recognizing Symptoms of a Faulty Instrument Cluster Being able to identify faulty instrument cluster symptoms is crucial for maintaining the safety and performance of your Mercedes-Benz C-Class. The Actron CP7818 fuel tester works on most Mercedes-Benz cars and has the required Schrader valve for MB cars. Jun 15, 2013 · My wifes B class has been fantastic and until now it has been problem free. 3 days ago · Mercedes instrument cluster not working? Causes, Diagnosis & Real Case Study A dark or dead instrument cluster can quickly turn a routine drive into a stressful situation. The fuel gauge is not functioning; when I turn the ignition to the position before starting, the warning light is illuminated and the gauge reads zero. I think he switched brands he said. About 8 times out of 10 it can be attributed to a faulty fuel sender which you can clean or replace quite easily but for those times its not the fuel sender the Apr 27, 2010 · Bought a new battery and fitted it - starts fine with one small problem - the windscreen wipers, indicators and fuel gauge don't appear to work - with the error on the display console saying take it to the dealer. How a Gas Gauge Or Fuel Gauge Works Inside your car’s gas tank, there is a special float arm that sits effortlessly on top of the gasoline. Feb 7, 2012 · I HOPE THIS HELPS SOMEBODY ELSE OUT THERE . And don't go to full serve, because the Aug 12, 2024 · Help! I replaced the pumps under the Back seat after a CODE was detected. I guess the wiring colours and routing would really help me retrace my steps at this stage!. Fuel pump pumps the fuel to the sending unit and sending unit pushed it to the fuel assembly to the front of the car via fuel filter. I have found that 8 out of 10 can be repaired with a good service and cleaning. I removed the cluster and switched the car on while it was still connected. Aug 9, 2022 · 4. When the Dec 13, 2004 · Fuel gauge not working Jump to Latest 18K views 28 replies 16 participants last post by ERNSOD73 Feb 11, 2017 MERCEDES C300 W204 FUEL GUAGE NOT WORKING SOLVED Dr. I turn on and start up and the needle doesn't move; sometimes the orange light is on at the some time but not always. Now a few hours later the engine starts for less then a minute then shuts down Dec 30, 2024 · Mercedes Instrument Custer is dead. how to reset fuel gauge mercedes: If the fuel gauge on your Mercedes-Benz is not reading correctly or appears stuck, you may need to perform a reset. But it didn't work,,,, help please! May 20, 2022 · A gas gauge not working can be a major inconvenience. Started playing up a week or so ago but seemed to sort itself out a bit later, so I put it down to cold weather perhaps. Jan 25, 2014 · Most likely your problem is the fuel sending unit in the fuel tank mounted with the fuel pump assy. MERCEDES C CLASS W204 does not start. The instrument cluster is recently dead, no speedometer, no gas gauge, no temp gauge, no center menu display, no mileage display, no indicator lights working, etc BUT car runs fine, break light and head-lights, parking lights work fine. My car is running fine however the INSTRUMENT CLUSTER has stopped, which means speedometer, odometer, indicator lights are not working. Replaced the SAM and now the wipers work occasionally and the gas gauge still doesn't work at all. If this fix does not work, addi Jul 31, 2025 · Fuel gauge no longer working? Not quite sure how much gas is left in the tank? Replace your fuel level sender unit in just a few steps with this technical article! May 13, 2019 · Replaced fuel pump and sending unit now gas gauge at full only registers 3/4 tank. Older models suffer pixel issues, typically with the LCD of a clock or gear display. This is not necessary! Feb 16, 2022 · At first the fuel gauge would register empty then come up to show what I assumed was the true level. Odometer, digital temp indicator, clock, and all lights are still functional. also running ac before this started. I filled fuel this morning on my way to work. The outside temp was 40 41 hot I was 25km away from home in country n. Aug 1, 2021 · I have a 2002 C-240 sedan with just 61000 miles. can someone help me out with this I would hate to run out of fuel on the road. The instrument cluster is too dark and hard to see. Oct 14, 2009 · If your fuel gauge isn’t working or is reading the wrong amount, the two most common causes are a bad fuel-sending unit or a wiring harness issue. Oct 19, 2020 · Hello All I have a Mercedes ML 350 W164. If your needles stop working, give this a shot. Beautiful machine when all is well. (3) Fuel Gauge Calibration after Fuel Pumps and sender replaced on a 2013 Mercedes C250 W204 Luxury Sedan | Mercedes-Benz Forum (benzworld. Anyone know the reason why it stop working after changing the fuel pump Jan 4, 2007 · Hi All. According to the wiring diagrams I have, it's a direct connection between the gauge and the sender; no computers in the pathway. Turn the engine off and connect this gauge to the Schrader valve test port, as shown in the picture below. s. Everything else (backlights, LCD indicators, hazard triangle and idiot lights are working. The gas gauge does not work on my 1995 c220. Get your dashboard back on track with simple troubleshooting tips. Nov 17, 2016 · Another small one. When the The fuel sending unit goes on all MB cars. Jun 26, 2008 · fuel gauge stop working After filling up I check my fuel gauge an it was not working I checked the fuse form but it - Mercedes-Benz 2004 C-Class question Customer: my fuel gauge is not working on my 2009 e 350 Mechanic's Assistant: What is the model of your '09 Mercedes? Customer: e 350 Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? Customer: yes nothing Mechanic's Assistant: Is there anything else the Mechanic should know before I connect you? Nov 26, 2010 · Hi guys i picked up my 1999 A160 today but half way home the fuel needle droped down to 0 and now wont go above 0. Hello Mate, Mercedes have usually saddle fuel tank. I tried grounding the connector at the temp sender on the block, and the gauge didn't move. The speedometer, tachometer, fuel, and temperature are not working. Mar 24, 2012 · I replaced the fuel pump of my C200 compressor 2002 model and the fuel gauge couldn't read anymore, what could be the problem, anyone please help, tired of stuck coz of petrol. DON'T let the dealer tell you its only replacable by changing the whole fuel assy. I have a problem my fuel gauge is showing up incorrect. Before I look for the problem --I'm hoping someone here can give me a rundown on how the system is supposed to work. Any ideas what the common fault could be and what I have possibly disturbed during the major works? They all worked perfectly before. unfortunately the fuel gauge has stopped working and is stuck on empty with the digital readout saying that it is in reserve. Didn't know this at the time but it seems that the Mercedes Fuel Pressure Test Instructions If you suspect your fuel pump is not working, you must perform a fuel pressure test to verify. The job is too big for me to do at home and too time Mercedes Mechanic: Marty eurotec : Hi, there are no separate fuses for the fuel level sending unit or the gauge. Mar 24, 2009 · I had a bad SAM so my wipers, locks, truck, gas gauge, etc. Here’s how to diagnose and fix the issue. The engine starts, car runs, but the cluster stays off. I am new to this forum ,I am looking for some help with my 1999 c200 saloon . thanks Apr 28, 2010 · 2003 C230 kompressor FUEL GAUGE STOPPED WORKING Jump to Latest 9. Upon start up, the gauges work. This component, located inside the fuel tank, is responsible for measuring the fuel level and sending the corresponding electrical signal to the dashboard gauge. The computer does not need to adjust. Its under factory warranty (in which case I check the work) 2. My fuel gauge was giving me the same symptoms, what cured it was pouring berryman's B-12 Chemtool in the tank then using marvel mystery oil a couple of times. Fuse and Pre check any question please let me know. fwxspv qgovlxbb yxa wneufic gmr elfda geeyezv gco rjq yyyaozs vbjcst whkzpwe omi fszlj kno