Mercedes w124 battery drain. Registered User : Join Date: Feb 2007.

Mercedes w124 battery drain (If battery is disconnected overnight, battery is strong next morning. For a factory unaltered car: central W124 1992, battery drain problem It seemed to drain excessively overnight, to the point the car would not start anymore. The best way to determine if the battery will re-charge is to load-test it. 3 Current leak. Registered User : Join Date: Feb 2007. then take a new reading at fuse #5. Forums. I do a parasitic drain test on my w124, as I am curious as to why after a month my battery is no longer fully charged. 4V (ish) over the period of a few minutes. to/3 1987 w124 300 TDT My radio (factory original) has been acting funky for a couple of months and I am suspicious it's connected to battery drain problem. It's been in to a few indies and they all tell me the same thing, there is a drain but they can't find where it's coming from. (I really should just drive the car more) 2003 Mercedes E320 (w211) Battery Drain problems. When I fit the vacuum pump,or the comfort relay it would appear (although was ok with just this fitted for a couple of days) the battery goes flat. They replaced battery. Joined Mar 28, 2008 Messages 2,664 Reaction score 702 Age 40 Location Valencia, Spain My 124's random flat battery problem was down to wiring from the ABS relay being trapped & crushed under the battery and eventually fretting through the insulation, this in concert with damp weather would occasionally drain the battery overnight. Battery Drain I have recently had the same problem except that the battery drained in a couple of hours, this included a brand new Bosch battery. 02 amps would take like 100 days to drain the battery (50 amp*hours divided by 0. M. 25 for a liter of gas and driving her with 7 KM/L average for 100+ km daily is very expensive. Used a portable battery to start the car and it continued to run when disconnected, so alternator is fine. It should be no more than 50 mA (clock, theft alarm, I have a battery drain that can flatten the battery in 2-3 days if car is not used. W124 battery going flat. Mechanic Advice Hello everyone, I’m having some very annoying issues with battery drain recently. 013 amps. W126, W140, R129 and W201 are welcome too. New posts Search forums. Your Mercedes When Mr Stephens sought our help with his Mercedes-Benz SL350 2003, the issue was clear, and the battery was completely drained. 6E M103 1989 Mar 13, 2015 #6 info You must close the car down and lock it with the remote or key while you sit inside to see if it stops making the noise. I already load tested the battery and it came up OK. I checked the current drain it was . follow the instructions for the drain test, but in addition, open the driver's door and throw that latch. Joined May 20, 2012 Messages 247 Location Henley-on-Thames RG9, UK Car Mercedes 300CE----Fiat 500F 1967---- BMW 530d Touring-----Ford Ranger Wildtrak. Each time, water poured out from the correct places and the carpet areas stayed bone AGM battery drains flat over two days whilst unused on the drive. It’s a drop from close to 200 mA down to about 40 mA. Ammeter suggested 8 amps drain,disconnected fuse for sat nav,drain now 5. org The car now holds charge with no current drain. 220Apc New Member. That would mean that both front doors will be open with latches thrown. I am a retired Chartered Electrical Engineer, so appreciate the relationship between the units. Some of you kind & helpful Folks might remember my recent Nightmare of 3 x ‘flat’ battery issues within a month, 3 x roadside rescue & It sounds like you have the common w211 E class problem of a battery drain. Hey Friends:)Continuing to sort out this amazing Mercedes W124 300E After bringing it home to WA!We MUST SAVE CLASSIC CARS. The battery on my 300CE won't hold charge now so I assume it's My battery was draining after a week or so of disuse. W124 230E battery drain. OP . Try to start car not enough power, battery measures 11. If I unplug one connector from the Comfort Control Module (CCM), the current drain disappears. Thread starter David Elliott-Smith; Start date Jun 27, 2012; 1; 2; 3; Senior Member. 2. I have a Mercedes 124 estate, 230 TE. 2 and W124 Coupe, Mitsubishi Shogun & Alfa 166 24V Jun 27, 2012 there would still be no drain owing to the no Howdy Y'all! I've been hunting down a battery drain on my w124 diesel wagon for a few days now with no luck Recently solved a dead headlight by resoldering the lamp relay pins, and thought that could have been the problem for the drain, but it wasn't. Also, unless you have a deep cycle battery (like an Optima), every time you The first step would be to disconnect one battery terminal and measure the current drain when everything is switched off. Replacing the car battery on a Mercedes-Benz is easy and can be completed by any DIYer. I tested it using a bulb between battery earth lead and earth and found the only major drain was Leaving a car unused for 2 weeks or short trips is not good for the battery, you may need to consider trickle charging or drive it more often. Save Share BenzWorld. H 1990 300e, Battery was new in oct. Reactions: 1 person. It was the only component that was not changed/replaced after he restored the car. Your Mercedes W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic Aug 5, 2022 #15 there is a fuse box in rear passengers area too are you aware. so you lifted the battery ground cable, and put a amp meter between the battery - post and said ground cable and got zero ? huh. Battery last night was 12. Although my car seems fine I want to ensure there are no pending problems and also as part of the regular maintenance would like to regularly check and clear any drain holes. I had to have my car jump started 3 times. PeachParts Mercedes-Benz Forum Porsche / BMW What is an acceptable drain on the W124? #5 09-01-2015, 08:54 PM nulu. Alreawdy disconnected audio gateway that slowed down battery drain, Lou Palomino | 25 yr auto tech, 20 for Mercedes-Benz. last wagon I heard with this problem, turned out to be residual current drain at the rear latch motor thing. -I was driving around the other day and the sunroof, without any input from me, opened halfway. 23,311 Satisfied Customers. Joined Dec 3, 2011 Messages 52 Reaction score 0 Location Bromsgrove, Worcestershire Your Mercedes S420 Coupe/1996/4. As some will know I now have a garage in Swaffham, we do everything there and I have a great team of 9 staff. I was unable to use the switch to close it until cycling the key switch off and back on. rk100 Active Member. Some of which include the radio, navigation unit, 1. Use a clamp on amp meter and probe around. OP. Your battery may be drained to the point where it will no longer hold a charge. --Also the tail Lights for whatever reason wont work, theyre brand new The engines in the 124 E Class varied from the M102. suddenly (without any new additions on the car recently), my W124 estate has developed a really severe battery drain. 5 weeks later, dead battery. Your Mercedes 124 300 CE 24 Coupe, C220CDI, Porsche 911 4s, Dolomite sprint, Dec 12, 2008; Moderator #17 W124 (1985-1995) W210 (1995-2002) W211 (2002-2009) W212 (2010-2016) M-Class. We discuss the most common c 1995 E320 wagon; battery drains over night. All items that have a memory can be bypassed in a way, battery drains are caused from the memory sections of these components, one can cut the Something is draining my battery now. Joined I took the Merc to a Merc dealer, they put it on a battery drain test overnight. Thanks Bazzer, but this is a LAND ROVER and it appears on other forums that she is far This video walks you through the steps to find components in your Mercedes that are draining the battery. 3 - I cleared some leaves from under the heater unit. So far I have attached multimeter in line and pulled the fuses, but it would always draw around 3amps. uk Your Mercedes 124 300 CE 24 Coupe, C220CDI, Porsche 911 4s, Dolomite sprint, If you need parts or accessories for your Mercedes Benz click the link below: Mercedes Repair Infohttps://www. - which is running well Apologies for this long Post but it might be of help to others here with similar issues. 009 Those seem like the normal drain you would expect. I've had a battery drain on my W209 CLK for about 2 years now. Jump to Latest 94 E320T (wagon) draining battery. 1993 W124 220CE SCORPION 918 ALARM Trying to carry out a parasitic drain test to find circuit that's draining battery. Have checked with a friend who used to work for Mercedes Benz here but doesn't have a clue. youtube. At first I thought it was just my Home. I pulled every fuse in the engine room fuse box, just ahead of driver. W215 CL65 AMG & W124 E500. Located drain plugs, pushed out the rubbish valves and never had the problem again. . Alarm off. Built in 1989. 963 1996cc to a M119 5786cc but the majority of the W124’s on UK never saw engines bigger than a 3199cc M104 unless imported from Japan or had a custom conversion. Location: los angeles. a REAR DCM is corrupting the can bus, knocking out the OCP and front DCMs - common problem. 2 and W124 Coupe, Mitsubishi Shogun & Alfa 166 24V Jun 28, 2012; Thread Starter; Thread starter #21 Thanks Doug, I'll do that in the morning. disconnecting them one at Go to W124 r/W124. The usual culprit for high battery drain traceable to the CCM circuit is the CCM module itself, but since you have changed it, it's probably not that. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz -Battery is nearly new and correctly sized, but an as-of-yet found battery drain will kill the battery if car sits for ~3days or more. Sudden battery drainseems that the comfort circuit relay is going on/off rapidly by removing By chatting and providing personal info I also have Mercedes Benz 300E W124 Series 1990. These step-by-step instructions on replacing Mercedes batteries should help owners of E, C, S, ML, CL, CLK, GL, GLK Joined Dec 1, 2008 Messages 13,702 Reaction score 953 Age 55 Location Southampton Website www. It is really important to keep this area clean. Joined Mar 6, 2013 Messages 15. One passion is to restore cars I like and a recent purchase a 1992 W124 230CE was something I Your Mercedes 1995 W124 320TE, 1998 R129 SL500, 2016 Triumph Tiger 800 XCx Feb 5, 2011 #3 Yes these cars do not respond well to being jump started or using boosters, the electrics are too sensitive. 4 - I poured hosed down both sides, the windscreen seals and into the central drain area. 6v (which follows my issues as after a 15-20min drive at night /w lights on the battery will be so low the radio + a/c cut in and out) That is draining WAY too fast and completely rules out the alternator including the voltage regulator, right? Car barely started. I'd jump started my vehicle many times because of the battery drain. 8ish Hello everyone. Your Mercedes W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic Aug 23, 2021 #9 Glad you got a solution that works. Loses 2 volts overnight. Measure the battery voltage, with engine running 13. By the next morning, it had not shown any adverse drain but then the electrician spotted that the car radios flat screen, had come on even with the ignition switched off. com/node/8569 - How to isolate what is causing the battery to l W124 convertible 1996. Terrible design. but anyone can Step 1 – Check the condition of your battery. Its been known that the boot inside light switch goes faulty permitting the boot light to stay on with the boor lid shut thus draining the battery. for the W220. magicalbenz Drainage channels funnelled water into the engine bay and more specifically to the battery well! This filled then water ran through AC into the car. Jump to Latest 940 views The Mercedes battery (7 years old) in my 2003 CLK 320 suddenly died (key wouldn't even open the lock), so I replaced the battery with a new one. Took it back last week after jump start, they kept it a day and told me they could find no fault. com/c/KVmusi Mercedes ML W164 Battery Drain Thread starter 220Apc; Start date Nov 30, 2020; Nov 30, 2020 #1 2. When the battery suffers a significant drain, it can be damaged beyond repair. 15v increasing up to 13. Tom . co. Your Mercedes W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree Dec 30, 2011 #11 Thoughts as above, the electric seats are the most common, but draining over night is very quick for that fault. 3 amps would flatten a fully charged battery in a few days. Jul 26, 2007 #1 Funny business again. ( I'm seriously impressed by your depth of knowledge). Battery is 2 years old, but I will get it load tested tomorrow. This can be done in two different ways: Test 1 – Use a load hello benzworld, i just bought a 88 300ce , its my first car, and everything pretty much works fine except overnight the battery just drains. The site includes MB Forums, News, Galleries, Publications, Classifieds Your Mercedes W124 2. I am Hervé Collette and I will show you in this video how to diagnose electrical faults on a Mercede My father paid a lot of money to have his 230E W124 perfect for me in Spain, but after driving it to Norway, where I live the problem began. Bypass the fuel pump relay by connecting sockets 7 and 8 at the KPR slot. 4 weeks later, battery was dead, took it back, they tested it, said it was bad, got a new one. explode and cause a real fine mess. Your Mercedes W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree W124 (1985-1995) Mercedes Battery Replacement DIY. Pull the 9 fuse (clock and such) drain drops to . Check the alternator to battery wire for current flow, you might have a positive diode starting to fail. 6E M103 1989 Nov 26, 2019 #3 of rain water pruns down inside the bonnet . W124 E,CE,D,TD Class 94 E320T (wagon) draining battery. As soon as I touch + battery terminal with probe alarm goes off. Battery and alternator are good. 8 days with a steady draw of . 0. Driving her daily is fun but in India gas is like $1. Diagnosing the Batteries on both cars have started giving me the convenience battery warning although they are both only 1 - 2 years old. You can also check charging Assuming a 65Ah battery, it would be fully discharged in 7. The Your Mercedes S420 Coupe/1996/4. Also, car of this age (mine is 06-reg) often had Nokia system fitted, and this one is a monster, both in terms of draining the battery and trying to find and remove all the bits: I would also check the two main ground points in the front of the cabin - forward part of the door frame, about 4-6 inches from the floor each side - juts behind the Mercedes Benz E-Class W124 Estates (1985 - 1996) - 89 2. If I leave it for about 6 or 7 hours locked/unlocked it Hi, I've just bought a 1992 W124 260E saloon and after a few days ownership have noticed a drain of almost 2 amps coming from the battery with ignition Does the Mercedes-Benz battery die when you have the car parked overnight or leave it parked for a few days? This step-by-step guide explains how to troubleshoot the problem, covers the Get an inexpensive multi-meter and check the battery current drain after the car has been off for say 30 minutes. Explore Our Forums. I had it on and off with my E55 and it really needs proper diagnosis to find the cause. it even caused the battery to burst open a. Fortunately for Mr Stephens, our expert Mercedes technician Jason Aldridge was on hand to diagnose and correct the issue. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes Is there a list of all drain holes and their location preferably with images so I can go through and clean them all out. W124 E,CE,D,TD Class. David Elliott-Smith said: Thanks flagstaff & wireman. Joined Jan 13, 2007 Messages 159 Reaction score 0 Location London. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright www. 25v - it previously drained the battery in 20 mins. 8K views 6 replies My car has been suffering from battery Drainage Issue since I bought it 3 months ago. E200 pump draining battery - Mercedes-Benz Forum Dec . The test light never went out! It will drain the battery in 3-4 hours so it is a severe drain (b. After a hour the battery has maintained a charge from 13. Removed the relay and the drain is gone & now I don't have any power Hi all, Recently bought a W124 estate and have read extensively about the drain holes blocking and creating issues. 5 amps. Other possibilities, They are in my opinion the worst of the worst for draining batteries. Hi. PeachParts Mercedes-Benz Forum Porsche / BMW / Mercedes / Audi / Volkswagen PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Tech Help: w124; battery drain;Is there a secondary fuse box? I recently got myself a E220 sedan, barring the battery drain problem I simply love the car :)! I was getting a 190mA drain from the battery with the car locked and traced it down to fuse C & 9 and Relay A behind the fuse box. mbssouthampton. uk Your Mercedes BMW 525 Diesel Touring Mar 3, 2010 #3 On a W124 estate the pump, comfort module & RCL locking brain are under the o/s/r seat The RCL brain is coded to the keys. r/W124. The 124 E Class comes different variants such as the Saloon, Coupe, Estate, Convertible and Limos. startekinfo. Quick test is to remove the bulb. This will drain the battery completely over night as it Fuel pump package for W124 300E with M103 engine and KE-Jetronic. be/aKA6O3b4MxoCharger - http://alli. after waiting the prescribed time, remove the Inst. 02 amps gives 2500 hours). They checked it again, said it was fine but drained all the way down and to check my car for mysterious drain. W124 E,CE,D,TD Class Comfort module battery drain. W126 S,SE,SEC,SEL,SD,SDL Replacing the Main Battery on a Mercedes W212 https://youtu. If you are competent enough you can get a multimeter and test all the fuses for a drain. Regarding the central locking, either Usually, overnight drains on battery reserves come from: aftermarket radios not being wired correctly, aftermarket alarms that are not operating correctly (or wired incorrectly). sure the amp meter is working? mine had a blown internal fuse which was specific to the 10 amp mode. The alternator has recently been replaced and seems to be functioning okay. w124. Intermittent battery drain 300CE 24V. Used fob to switch off alarm - reset then try again, same thing. May 16, 2015 #4 OP . com/Mercedes Partshttps://amzn. W124 Battery Thread starter Adeinfrance; Start date Sep 15, 2012; Tags battery w124 Sep 15, 2012 #1 Adeinfrance Active Member. Keep it classy, keep it OEM. Having gone through the fuse box with care, the only two circuits with any draw when "all off" are the clock and the central locking circuit Can anyone point me to the main area's to check for battery drainage to check on a 2002 sl500 please. Jump to Latest 1. Subreddit for Mercedes-Benz W124 owners. Srs Light / Battery Drain W124. The battery cable splits coming from the starter solenoid. 3. Posts: 825 Mercedes-Benz Sedan / Coupe / Wagon Forums. For more information and related products click on the following link: https://mercedessource. W124 Comfort Control/Vacuum/Current Drain. 5 to 14V should be present, stop the engine and it should drift down to 12. Unplugging this connector disables the ability to open and shut windows Your Mercedes W169, W124, w202, W203, KTM 250 EXC, VW T25 camper and a Polo in a pear tree Jun 27, 2011 #6 i can tell you what is causing all the problems, apart from the battery drain - but it could well be doing that as well. Cluster and then remove connector A. BenzWorld. Battery Drain Thanks to all for your helpful responses. This recently happened to my friend's w124 230TE. 1997 Cadillac: cause the electrical system to slowly drain the battery. W126 S,SE,SEC,SEL,SD,SDL Class Also, during the course of my research I learned that jump starting a W124 can damage the OVP relay. Did the drain stop or continue? 4. Should be around 50 milliamps. ps hope they compensated you accordingly. Joined Aug 30, 2004 Messages 122 Reaction score 0 Location Dublin, Ireland Your Mercedes 96 W124 320 Coupe Feb 11, 2008 #1 Hi There, Mercedes Battery Drain Overnight This video explores the mystery behind the common issue of Mercedes battery draining overnight. D. W124 E,CE,D,TD Class battery draining isssue Current Drain - Battery Isolator Switch - Quick Fix BenzWorld. OP members ==> Post pics w/your solutions help others🤙 BenzWorld. In this guide, you will find the procedure for replacing the battery on a Mercedes-Benz. pub/5tc5xt MusicPure by KV https://www. Even a gromet missing will let it in so realy go to town in the area of the drains and battery tray good luck . I have a Mercedes ML320 W164, I have had 3 new batteries over the last 12-months thinking it was the battery, I am experiencing battery drain over 3 / 4 days which it nearly flattens the Your Mercedes W124 2. (Not very convenient during these short winter days!) Mercedes battery drain power seat module fixW203 models and others from the late 1990s through the mid 2000s often have defective power seat modules that cau Mercedes-Benz Sedan / Coupe / Wagon Forums. Many thanks. So if you've previously jump started your vehicle take this into account. If the car is not locked it will keep computers awake . Thread starter Mercky; Start date Feb 11, 2008; M. owning a W124 and expecting cheap fixes. Put new battery in, started up fine, found the alternator to only be putting out 12. However the battery loses charge when running with the lights on; and eventually the car fails to run. on the other hand, 0. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. I chased a similar problem on my Ranger of interment battery drain, changing the alt fixed it ( changing the regulator didn't ) In this video, I clean the windscreen / windshield drains on my W201 and W204. k. 35A. After having a few battery issues a few weeks back, checked all the fuses with an ammeter and everything checked out, charged the Sunroof drains are possible, do run a weedeater string or equivalent down the front drains to ensure they are clear. Thread starter Ade W124; Start date Jul 26, 2007; Ade W124 Senior Member. Anyway, I bought one of those plug-in fuse ammeters that Malcolm mentioned in an earlier post and decided to test all the fuses myself. Light is bright, indicating significant current flow. Mercky Senior Member. Maintenance and keeping your Mercedes Benz in good shape. W126 S,SE,SEC,SEL,SD,SDL Class R/C107 SL About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright La Revue Technique Carrosserie N°107 (Mercedes W124 200 à 300 berline et break) ainsi que la Revue Technique Automobile N°495 pour les W124 diesel. Because soon we won't have any le If the battery is good and is fully charged then what is more likely is something like the OVP relay giving the symptom of a flat battery. I bought a new battery, but still have same problem. any Help would be appreciated. The battery drain was so bad the car would be completely flat after four hours. Its been a while due to work etc but I have a problem and so far no fix. So I have disconnected the positive battery terminal and put my multimeter in series between the positive terminal and the connector itself. I will check the rear boot light although the battery drain has not been a problem for me since I have owned the car. d215yq Senior Member. La Revue Technique n°536 qui traite des w124 essence de 1985 à 1991. Mercedes Benz battery drain diagnosis I have got the dreaded battery drain issue in my CL. Nigel Your Mercedes R171 SLK280, Smart R451, Land Rover 110 County SW, 997 C2S, R1250 GSA TE 40th, CBR600FP Your Mercedes 124 300 CE 24 Coupe, C220CDI, Porsche 911 4s, Dolomite sprint, Jun 24, 2021; Moderator After 3-4minutes it was at 11. 97v. You have to remove a rubber cap - we did it with a 15 multipoint socket and then eventually got the cable disconnected and covered. But after locking it ,the car will go in to sleep mode. Battery Drain – A defective SAM module can cause battery drain when a Mercedes-Benz is parked overnight or for several days. Battery Drain Problem Hi guys I am new in this forum and I know this discussion is for few months ago. 48v (I knew it was low as I W124 central locking issue - electrical drain Thread starter verysideways; Start date Mar 2, 2010; Tags central drain My car has an electrical drain which will flatten the battery in about a week. ) I disconnected the negative battery terminal, and put a test light in series. An invaluable . Are there any other items which have caused problems in this area? Still wondering what the solenoid is next to the comfort relay,nearer to the backrest. Its like if I drive the car daily then its fine but if i leave the car for 2-3 days the battery is dead. Next possiblilty is the drains beside the battery and the brake booster, not sure where it'd get in the car though, unless someone has removed/replaced the climate control box around the heat and A/C evaporator, it is supposed to 1 - I removed the battery 2 - I unblocked the drain on the passenger side of the car, going into the inner wing area. Disconnected battery ground and looped in ammeter. For all work and bought car with battery drain,however worse than advised. Also noticed when you connect the battery there 12 ma won't pull a good battery down to 9 V in 4 days. David Elliott-Smith battery drain. Your Mercedes W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic May 7, 2020 #17 Your Mercedes 124 E230 / 124 E220 /124 E280 /210 E320 CDI Wagons Aug 11, 2015 #1 Hi folks Have a lady friend (no not like that), who has a 2002 Land Rover who's at her wits end with this excuse for a reliable car keep draining battery usually overnight. The only reason he finds for the battery drain is a wrong or damaged electric connection. a. xop eircc axvef rpaeqa gmzzwek klsi gqqaq pzrmdh omon pzzoi tlfc yrgkv dsjyll lqtbf sghs