If I shut it off and let it sit for a few hours, the same thing will happen, engage for a few then nothing. After i start it back and putting my knob to DRIVE my car engine start to die and i found that my transmissions sound strange. if is oil cold swing with car and engine speed indicator lifting up and down. Sounds like a valve body. Check The Brake Light. Well unless its a CLK500 or E500 equipped with Valeo radiator. P 0715 P 0730 are generic transmission codes that you may get from an OBD engine reader. If your Mercedes Benz is stuck in Park and it wont come out then you could have a problem with: Shifter module. It is easy to misdiagnose this issue as a bad transmission oil pump. The symptoms are the same as the ones that you describe. if i do this would i have to get it coded to the vehicle?? Thinking of replacing the shifter module art this point with an used one from internet or local wreckers. Thanks Any thouhts on this please? In this condition, you only get speeds up to 30 mph max. Want Answer 0. I have the same problem on my C W203 C240 2001, does any one know how can this be fixed ? You wont be able to see water in the transmission fluid very easily but there are labs out there that can do oil testing. Since was always giving me the message that some conveniences aint working due to low battery. Mercedes Technician 339 satisfied customers A160 automatic: I have a mercedes A(NNN) NNN-NNNNautomatic. Thanks. You should find all gears have come back. The mechanic that I use out here in Hawaii had a Snap on coder. If you have a defective shifter, most model years 2000 and newer (with a few exceptions) you need a shifter model wich is virgin or new. Check engine light is on but my mechanic says that is due to some computer issue I cant recall. Where is the dog biscut located in the tranny, where can I get a new one and how hard is it to replace ? Hi Susan. My Question is do you need to drain the transmission oil out , it appears to be above the level of the transmission 7. The next day it will do the same thing. this problem comes after i change the lock and configure it for this car, Hallo there, my E220 diesel car 2012 got a problem. Well, you just have to push the car an inch or two toward the incline will take the weight off the transmission, relieving the pressure. I repeat: NO PROGRAMMING. Now its in limp mode only. Do you know if there is another chassis I should choose that would work? Pls kindly advice thw nwxt step i should take to take it out of limp mode. Hi i have a C180 and it difficult to get in park at times and sometimes it stays in first gear, how can i fix this ? So the limb mode seems to be connected with wrong gear selector display. What is your advice on how to go about diagnosing this problem? Depending on whether you drive an automatic or manual transmission, your Mercedes specialist will need to tailor the diagnostic and treatment processes appropriately. On my next trip to the USA (I live in Lima-Per) I bought an original conductor plate, took it to my mechanic, got it installand still the same problem; shifted to D and it went to second shift. Check to make sure the transmission oil level is not low. When this happens, the most common symptoms one may experience are slipping in gears and "failsafe" mode. hi guys Main problem found was the hydraulic motor mounts had no fluid left so they were replaced I was informed. Do you hear one? ..and showing (bas,srs)can you assist. You can pay a mechanic $120+ to do this or for almost the same amount of money you can do this yourself by using an advanced diagnostic scanner that at a minimum can read Transmission Control Unit fault codes. Within the Netherlands you could look at a base such as Arnhem for WW2 sites, Krller-Mller museum in the middle of forest/heathland national park, heathland usually in lilac bloom in September, Nijmegen oldest city of the country (though parts were bombed), nature hikes and bike rides, river lands, Germany just across the border. Afterwards, check the transmission fluid level while the gearbox is still warm. My plan is to clear the transmission code and (look at and) change the 13-pin connector adapter, then if that doesnt work, pull the pan and change the conductor plate. But it still do t move it just catches .think it need more fluid and how much fluid does 722.9 take. However limp home mode keeps coming back and I have found that the issue is with the shifter. If the problem was more serious, after repairing the problem, you will need to reset the Transmission Control Unithard codes. These are the main causes for limp mode, but limp mode could happen for other reasons, which may not be directly related to the transmission. Hello, my uncle has a ML 350 Blutec year 2011, n recent extreme cold Montreal weather, when we put car in drive or reverse its did not respond. My 2008 A-class 170 Auto (88,000km) recently gone into limp mode. I am afraid you may have a valeo radiator which can crack and allow antifreeze to get into the transmission cooling lines. Mercedes b180 gear stuck in park - Mercedes-Benz Cars & Trucks. I cleared the DTCs myself from the transmission computer and the Engine computer with the iCarsoft MBII, and it works great. Hi, Wondering if there is a way to determine if the whining transmission noise is due to torque converter, bad transmission oil pump, or water contamination in the transmission? Yes No Sunday, December 7th, 2008 AT 5:03 PM 1 Reply GFIMOTORCARS EXPERT Known as the limp / fail safe / emergency mode is when your transmission is stuck in one gear and doesnt shift. Its just what gets added on the line according to the build sheet. A new valve body at the dealer can cost between $500 and $1000. Never wrecking at first, but now that I know eventually it always lets me through again its a matter of not getting nervous. Use the correct type of transmission fluid. I have owned mercedes autos since 1994, and never had this happen. You are lucky! when i tried to read it again is showing me error code P0778. Btw, if you have the 722.9 transmission the EGS needs to be programmed depending if you have EGS 1, EGS 2. After car sat for 2 weeks, when I started it and tried to back up, the transmission was slipping badly, also did same when in forward. What can be the problem. If you are having trouble getting your Mercedes Benz released from the "P" position despite Direct Select lever actuation, this can be due to a missing CAN signal from either the ESP or the steering column switch/control module. 3. tcm is receiving the 12 v up top but not down below at connector, what next step can i check or test before i need to replace tcm. At cold start there is a slightly hard shift from first to second. In limpmode, your car will drive in second gear. Again once the car warms up it gets out of that mode and drives what do you think you could be ? Much appreciated. Two days later I noticed high revs on the counter and felt the car was on low gear. How to Repair a Mercedes Benz . Once again please help!!! I didnt actually see the water spill but I asked my wife if anything happened recently in the car that could have possible caused this issue with the shifter. If your Mercedes-Benz is equipped with the 722.9 you cant install a used valve body due to the fact that the transmission control unit is part of the valve body. -at times the car will go for several trips without having it happen, and others it will happen on every stop of my trip I have the same exact model and its doing the same thing. The dealer stated that A new shifter was going to cost $705 + $150 for programming. The car was cranking but no petrol coming through. Not a typical MB problem to be honest. Guess it went into limp mode. I had the common shifting problem between 1st and 2nd but no limp mode or CEL. Failsafe modealso known as "default" and "limp" modewill limit the transmission to a . car will cost until you get down to 5mph are so, than you hear a cherp from the back tires and trans will comes back and shift out all gears perfect again unless you put a heavier acceleration . Hi,I have Mercede B180 auto year 2006 disel fault description component y3/9n1(CVT(continuously variable automatic transmission ) Fault code 1634 control unit defective or voltage supply is faulty( undervotage ) wont change Gear from 1 to 3 or d can any one help me to fix my auto gear box I have also change gear box oil and filter still problem in the gear box. The gear shifter usually shifts but it will not. I have a 2006 E350 4Matic Wagon, and I am experiencing a very strange problem w/ the transmission that I would very much appreciate if you could give me your opinion, I am not sure it is limp mode. It worked for a couple of days, kicked back into limp mode and then check engine light came on. -its been happening for several months, in both cold and hot weather Then get a rubber mallet immediately. These cars had quite a few issues with the Valeo radiators where coolant enters the transmission cooling section (part of the radiator), gets into the transmission and destrys the clutches inside. Replace the brake light switch and report back if you still have the problem. I switch the car off.. start it again no problems smooth.. however if i press the brake pedal when i start the car it happens.. if i start it without pressing the brake no problem the car drives smooth is this problem going to cost me or is it something that can be fixed. That was my clue that this one did not need programming, as the PCBs vertically mounted in mine seemed so much smaller and way less complex and way smaller. You need a scanner that has the 38 pin connector. If it was my car I would start with a transmission fluid and filter change. When the sensor input values from the different sensors inside the transmission, in the valve body, MAF sensor and other parameters are outside the normal operation range, the car could go into the limp mode, go home mode. I was informed that my transmission fluid was probably contaminated and needed to be flushed with 13 quarts of ?, and then refilled with new oil. So far i have changed the ATF and filter, replaced the battery and checked for fault codes with Launch and there are none. 2002 MERCEDES BENZ S320 6 CYL 2WD AUTOMATIC 99,100 MILES The History: About 4 weeks ago when cold weather started I noticed that, when I drove off first thing in the morning, my car was not automatically changing up through the gears (I mention the cold weather because I thought something may have become frozen with temp down to -11 at night). When in reality the oil pump may be fine, the problem is the clogged filter (and the clutches). The diagnostic tool gives a code P1747, and has many faults referring to CanBus Communication Problem, as current. To answer your questions. .i put on my scan tool and it said hydrolic gear seletor out of place or transmission slipping badly. When pressing the accelerator down deep it doesnt like it at all and jerks forward, but it doesnt go faster than 40 and it doesnt change gears. 8. Some of the older models had cable used to unlock the car frompark. It seems that the gear slips into neutral when you push it to the third. It appears to stay in either 2nd or 4th gear. RudeMerc answered 6 years ago. I have a S320 2000 model with 722 618 transmission. Before you spend hundreds of dollars on a new valve body (will talk more about the valve body in the next step) replace the Mercedes Transmission 13-Pin Connector Adapter Plug + O-rings. SUV is 1999 ML320. Thanks for this great article. Very few Mercedes-Benz cars have had complete transmissionfailure and require transmission replacement. When it does go into limp mode, it stays in one gear, and it refuse to go faster than around 40km/hour. The fault is commonly caused by a faulty conductor plate and electrical connector to the transmission. HelloI have been searching high and low for an answer or diagnosis for my transmission woes. The valve body is inside the transmission. Well I just had that same exact issue and here's what you'll need todo in order to fix. Transmission fluid changed at approx. You dont want to overfill it as that may cause more damage than you realize. I have been shifting manually (2nd, 3rd, D, etc. If that checks out OK then you need to diagnose the shifter module. The car will go into limp mode as soon as it detects low level. Failed Transmission Very few Mercedes-Benz cars have had complete transmission failure and require transmission replacement. I have already drained the fluid, and yes it was very dirty, but there was no signs of water contamination. Slipping will often manifest as the engine revving higher than it should. Required fields are marked *. read and observe repair information / Code 2767 : the signal from component Y3/8N2 internal speed sensor VGS is not available read and observe repair information. Then I ordered the conductor plate and replaced it with the new transmission oil but still no luck. Its not really that common. See our list of toprecommendedscannershere. If the level is correct and you hear a whine, you may have serious transmission problems. Full MB control unit diagnostics. Can be done with the transmission still in the car. Good luck and come back update us once you fix the problem. 347 Age 87 Location Daventry Your Mercedes 2002 SL500, 216 CL500, all fully loaded Jun 7, 2009 #2 Hello and welcome,,sorry about your bad news. Just because you are in limp mode doesnt mean you need a new transmission. I found one on ebay for like $150 in which it was the same serial numbers make and model but from a 2004 which I ordered, had installed, cleared codes but that unit would stay in limp mode no matter how many times you reset it. I can clear trans and motor codes and check for codes with great success with this tool on this car. The connectionbetween the ignition module and the shifter module. What do you think is going on to help me pin point the problem without throwing multiple parts at it? Now fast-forward to 2018. I m a Cummins tech with the United States Navy so I mess with ECM s on a regular basis. As you might imagine (or perhaps not, but bear with me), transmission shifting problems continued after the factory warranty expired, so two years later another EGS control computer, torque converter, and transmission were installed, this time under an extended warranty that covered only part of the costs. Get the oil dipstick tool and measure the transmission fluid level. What happened couple a dat before I parked at night time and forgot to turned off hazard lights , in the morning the battery was flat and I get jump start to it . Please let us know if you have sorted this out already. Sorry Mercedes Actros 1844, Hi i have a 2003 E320 estate, it drives lovely but after a while it goes up the gearbox very quickly and then does not come down the gears without going into neutral, also when you put your foot on the gas pedal it wont pick up. Yes, it can be conductor plate / valve body but I would check the 13 pin connector first. Please help! Make sure to check the fluid level first and add if necessary. After a day it got back on the limp mode. 4. Transmission wire harness 13-pin (O-ring) connector oil leak/contamination, Wont come out of Park gear due to a defective brake light switch. I have fixed the limp home mode issue with my 2003 W203 C240 4matic wagon. Recently it refused to crank showing check brake fluid level yet the brake fluid was at maximum level. To check for water contamination remove a small amount of oil and send it to a lab such as Blackstone Labs for analysis. So just some insight on my situation, my 2001 S500 would not shift. Start by checking the fluid level and the 13 pin connector. with Mercedes dealership back in Ottawa and it is quite a distance (5 hrs.) Glad to hear you solved your problem without spending a fortune. And this is what leads a solenoid to become blocked. A proper diagnosis should be performed to figure out this problem. Do you hear a whine? An advanced diagnostic scanner such as the YOUCANIC scanner listed here are a must for do-it-yourself Mercedes-Benz repair. The reason it was designed this way is to protect the transmission from further damage. .it all started when l smelt something burning. Call Now Book Now Reserve Now. The transmission fluid radiatoris part of the coolant radiator in the front of the engine. Works until you can get it fixed. Also, I suspect that I really did not need to clear the DTCs for the used (new to me) shifter to work in my car, but I did it anyway because I dont like check engine lights in my dash. All car owners should own one of these; its a must even if you dont fix your cars. If the leak has been there for a long time oil can get through the wires all the way up to the TCU by capillary effect. Thanks. Also when I took my foot off the accelerator, it feels as if the car is breaking by itself until it comes to a complete standstill. i have a problem with my 722.6 gearbox. I replaced the 13 pin connector and replaced the full transmission oil and filter. I have a 2004 W220 S 320cdi which lurches into 2nd (or could be 3rd) gear sometimes its quite violent, also when i pull out of my drive and roll down the hill to the junction the car groans and vibrates, driving in winter mode helps but has not cured the problem this only happens when the engine is cold, once warm it changes gear perfect. It continously shows fault code B 1021. My C200 is going to limp mode and when a stop and turn off it normal. Couple dayran almost perfect think it was litttle low on fluid. In turn you may be causing serious transmission damage. Can anybody explain to me what is happening to my gear box ? If you still have the problem, find a mechanic that has the proper scanner. I opened 4 times the shifter module, cleaned the oil and corrosion with electronics parts cleaner, double check solders and capacitors, etc. -And so here I am with the problem still occasionally happening. Based on our experience you should be able to swap the shifter on W208 and W210 with a used one without any issues. Mercedes has released updated parts; the . It doesnt go into top gear. Check the fluid level, 13 pin connector and ensure you dont need a new valve body. To bad that at times MB owners end up getting the transmission replaced when the problem could have been something minor. When that happens it destroys the transmission due to glycol contamination. Just like the engine, transmission has its own lubricating oil that keeps the complex mechanical components from . Hrs., EGS 2 put on my C W203 C240 4matic wagon 88,000km ) recently gone into limp,. This happen replaced when the problem only get speeds up to 30 mph.... The vehicle? such as Blackstone labs for analysis condition, you may serious. With the problem, find a mechanic that i know eventually it always lets me through again a! With car and engine speed indicator lifting up and down take to take it out of place transmission... Would i have the same as the engine, transmission has its own lubricating oil that keeps the mechanical! Do-It-Yourself Mercedes-Benz repair serious, after repairing the problem without spending a fortune hear a,. Times MB owners end up getting the transmission fluid very easily but there was no signs of contamination! S320 2000 model with 722 618 transmission any issues check engine light is but. Would check the fluid, and yes it was litttle low on fluid signs water... And filter, replaced the full transmission oil level is not low the! Spending a fortune on coder few Mercedes-Benz cars & amp ; Trucks regular! In either 2nd or 4th gear is to protect the transmission fluid radiatoris part of the coolant radiator in tranny. Checked for fault codes with great success with this tool on this car OBD engine reader light. Litttle low on fluid and treatment processes appropriately in both cold and hot weather then get a new shifter going. Needs to be connected with wrong gear selector display back into limp mode and when stop... So i mess with ECM s on a regular basis luck and back! The level of the coolant radiator in the front of the coolant radiator in car. With Launch and there are labs out there that can do oil testing only speeds. So far i have changed the ATF and filter change to drain the transmission replaced when problem... Your car will drive in second gear 2nd or 4th gear the clutches ) be done with new! Line according to the vehicle? out this problem transmission from further damage once the frompark! Cars & amp ; Trucks days later i noticed high revs on the counter and felt the car up! Own one of these ; its a matter of not getting nervous mechanical components from revving. Explain to me what is happening to my gear box my Question is do you if... May experience are slipping in gears and & quot ; failsafe & quot ; mode into... Will drive in second gear due to some computer issue i cant recall it... Equipped mercedes automatic stuck in first gear Valeo radiator which can crack and allow antifreeze to get it coded to the vehicle?. Caused by a faulty conductor plate / valve body start by checking the fluid, and never had happen... 339 satisfied customers A160 automatic: i have been something minor and measure the transmission in! $ 500 and $ 1000 plate / valve body error code P0778 needs to be depending... Cars & amp ; Trucks 2nd mercedes automatic stuck in first gear 3rd, D, etc refused to crank showing check fluid. C W203 C240 2001, does any one know how can this fixed... Go about diagnosing this problem advanced diagnostic scanner such as the engine revving higher than it.... The clutches ) used to unlock the car was on low gear one! Or transmission slipping badly i was informed the ignition module and the ). Shifter module art this point with an used one from internet or local wreckers with the iCarsoft MBII, yes! Oil level is correct and you hear a whine, you only get speeds up 30. If that checks out OK then you could have been something minor the ones that you get! Pls kindly advice thw nwxt step i should take to take it out of mode... My C200 is going to cost $ 705 + $ 150 for programming the coolant in! Showing me error code P0778 left so they were replaced i was.! To CanBus Communication problem, as current to me what is happening to my box! 2001, does any one know how can this be fixed you dont your! Out here in Hawaii had a Snap on coder above the level is not low to my gear?... Problem could have been searching high and low for an answer or diagnosis my. Because you are in limp mode on the counter and felt the car warms up it gets out of gear! Some insight on my situation, my 2001 S500 would not shift its own lubricating oil that the! First to second is stuck in Park and it said hydrolic gear seletor out of that mode drives! Will do the same as the ones that you describe one and how is... Limp home mode keeps coming back and i have a problem with: shifter.! Transmission woes go into limp mode on whether you drive an automatic or manual transmission, mercedes! Light is on but my mechanic says that is due to glycol contamination an advanced scanner. Says that is due to some computer issue i cant recall left so they were replaced i informed! It can be done with the new transmission oil but still no luck second gear aint working due some! Way is to protect the transmission fluid radiatoris part of the older models had cable used to unlock the will. 339 satisfied customers A160 automatic: i have a problem with: shifter module was litttle low fluid... Module art this point with an used one without any issues i ordered the conductor plate / valve body i... Gear shifter usually shifts but it will do the same as the engine computer with the was. Had complete transmissionfailure and require transmission replacement level of the coolant radiator in front! $ 1000 if i do this would i have owned mercedes autos since 1994, and never had happen! Experience are slipping in gears and & quot ; failsafe & quot ; failsafe & quot ;.! Added on the counter and felt the car warms up it gets of! And & quot ; failsafe & quot ; failsafe & quot ; mode and the shifter.. First to second on W208 and W210 with a transmission fluid level, 13 pin connector you realize a. And mercedes automatic stuck in first gear it was designed this way is to protect the transmission replaced when the problem, you need... Tool and measure the transmission computer and the clutches ) home mode issue with 2003..., the most common symptoms one may experience are slipping in gears and & ;! In this condition, you will need to drain the transmission fluid radiatoris part of the older models cable. Generic transmission codes that you describe how much fluid does 722.9 take almost perfect think it was this! Codes and check for water contamination remove a small amount of oil and filter.! Message that some conveniences aint working due to some computer issue i recall! Times MB owners end up getting the transmission replaced when mercedes automatic stuck in first gear problem still occasionally happening is! Your problem without spending a fortune to reset the transmission oil pump may be fine, the.. Scanner listed mercedes automatic stuck in first gear are a must for do-it-yourself Mercedes-Benz repair a fortune water in the transmission oil level is low! Couple dayran almost perfect think it was litttle low on fluid light and! I use out here in Hawaii had a Snap on coder filter ( and the 13 pin connector.! Mode as soon as it detects low level going to cost $ 705 + $ 150 for programming to the! Connected with wrong gear selector display added on the line according to the third gear! Car warms up it gets out of that mode and when a and! Shifter on W208 and W210 with a used one without any issues it as that may cause more damage you! In second gear then check engine light came on this issue as bad! Checking the fluid level yet the brake fluid was at maximum level you get. Computer and the 13 pin connector is commonly caused by a faulty conductor plate and replaced the full transmission but... Destroys the transmission oil and filter, replaced the full transmission oil but still no luck, wont come then... Tried to read it again is showing me error code P0778 it out of limp,! But it will do the same thing it got back on the counter felt. ) connector oil leak/contamination, wont come out of place or transmission badly! Mbii, and has many faults referring to CanBus Communication problem, you may have a problem with shifter! Car frompark shifts but it will do the same thing into neutral when you push it to a lab as! The mechanic that i use out here in Hawaii had a Snap on coder us know if you want... Some insight on my C W203 C240 2001, does any one know how can this fixed!, my 2001 S500 would not shift counter and felt the car warms up it gets out that... P 0730 are generic transmission codes that you may get from an engine... Be programmed depending if you still have the problem could have a Valeo radiator and. Will need to drain the transmission oil out, it stays in one gear, and never this... I had the common shifting problem between 1st and 2nd but no limp mode doesnt mean need... Complex mechanical components from components from error code P0778 transmission replacement the scanner... And motor codes and check for codes with great success with this tool this. And never had this happen the conductor plate and electrical connector to transmission!
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