The key won't turn to start the car. key opens doors - Answered by a verified Mercedes Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.Dec 3, 2017 · Car has rain sensing windshield.Most likely you have the wiper on/off level in the intermittent position,which turns on the sensor. When the sensor detects moisture or even dust sometimes. It turns on wipers. Just make sure the wipers are off and not in the intermittent position. Jun 17, 2009 • Mercedes-Benz C230 Cars & Trucks. If you can get the key to turn, remove the tumbler immediately. If you don't and it won't turn again it needs to be cut off with a dremel. Set aside 3-4hrs to do this. When MB designed the anti-theft collar for the tumbler -- …Some times the keys wear out. Do you have a spair key you can try. 2. Turn the steering wheel back and forth while trying to turn the key sometime the steering wheering lock will bind. 3. Now the bummer part is the ignition lock will have to come out so you can d etermine what part froze up.Step 2: Check fuses and relays. Mercedes won’t start, and it’s not the battery. Next, you should check the fuses on your car. You would want to check fuses for systems such as Starter Circuit, Ignition, EIS, and Fuel Pump. There could be more circuits that impact the starting depending on the model.Batteries are new. I found a video showing you how to re-sync your key to your car by inserting the key and holding the lock/unlock for ten seconds then push the unlock 5 times while holding lock down. This seemed to work. I will also clean the eyes. Thanks for the replies and I hope my fix helps someone.So I've been messing with my W203 2006 Mercedes C230 Sport Sedan, reading forums and trying out suggestions. I've made some progress but still have major... in this thread in this sub-forum in the entire site. ... 06 C230 Key won't turn, ESP warning, speedtronic warning, ...May 14, 2014 · Hello! I'm experiencing a "non-start" problem with our 2002 C240 (160,000 miles). Key in ignition, handshake, turn key to start and all gauge lights, etc. are normal, but - car won't start, won't click, won't turn over. I may be hearing a slight, faint electric "buzz" near radio. However, if I remove Fuse 57 for a few seconds and put it back in ... Jun 26, 2012 · - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD Checkout the MBZ glossary: Diagnostic Tool Terms and General Glossary 97 C230 won't start, nothing happens when key turns. Just bought my 2nd C230 today, a 1997 (have had an '06 for 3yrs). But I am having troubles getting the C230 started. I purchased at auction, so you never know history, but car looks great, has 100k miles and I purchased as a fixer upper since it didn't run when I bought it.Mercedes Benz key won't turn trick. Mercedes Benz 1999 C230 Kompressor sport , C-Class , W202 key will not turn in the ignition.2002 c230 sport coupe-key wont turn! When I put my laser key into the ignition, normally, it will recognize the key, making an unlocking noise (im sure its an anti theft matter), then the key will turn and start the car. and I dont have a spare because this is a repo-ed MB. TODAY, what happened was I put the key into the ignition, nothing ...If the coil, located at one end of the key PCB inside the key is broken/detached then the key won’t turn, worth examining it closely with a magnifying glass. Note that the key buttons and batteries are for the purpose of locking/unlocking the car and arm/disarming the alarm, the coil in the key is what allows the car to be started, …Jun 26, 2012 · - Rodney Birmingham, Alabama (USA) - Current: 2011 SL550, Former: 2011 C300, 2010 ML350, CLK550 Cabriolet, 2002 C240, 2001 ML320, 1984 300TD Checkout the MBZ glossary: Diagnostic Tool Terms and General Glossary If you mention what year car in your post, someone may offer you help. If early coupe', the procedure is same as for sedan. There are two pins on either side of the lock, you must hold pushed in to remove the lock. Good luck.:bowdown: ADRIAN126sec Discussion starter. 984 posts · Joined 2008. #8 · May 8, 2012.Jan 9, 2015 · [email protected] Discussion starter. 12 posts · Joined 2015. #1 · Jan 9, 2015. I have a 2002 C230 hatchback w/37,000 miles on , I just purchased. Yesterday in the parking lot my GF started screaming that the steering had locked up . I took over the wheel and sure enough it would not turn left,, I shut the car off and restarted it , and it ... There are several reasons why your Mercedes may not start.Your entire vehicle may seem completely dead, from the security system down to the mechanical components.The engine may fail to run, or a key may not turn in the ignition.Worst, your Mercedes may start but then suddenly stall in the middle of traffic without restarting.. …Weaverdon. 1 post · Joined 2009. #13 · Nov 26, 2009. Dome light won't go off. I would hate to be the bearer of bad news, but there is a good possibility that the culprit isn't a mechanical switch. It could be the PSE pump assembly ( part # 2108002948), located under the rear passenger seat near the battery.Cooling fan won't turn; What will make my Mercedes C230 Kompressor sport stop running act like it wants to start but won't; Overheated now wont run is there a switch to flip; I have a 2002 c230 mb kompressor, ignition switch failed in it.It works now. However he uses a different programming procedure than what was provided. Here is what he did. 1) put key into ignition and turn to position 1. 2) hold lock button for 5 seconds. 3) hold unlock button for 5 seconds. 4) hold both lock and unlock for 5 seconds. repeat steps above in position 2.RELATED: How to Hotwire a Car in an Emergency (8 Easy Steps) 4. Pick the Lock. Another old-fashioned method is to pick the lock and turn the ignition to unlock the steering wheel lock. This method may require some skills, but it is possible to pick the lock just to unlock the steering wheel lock.Jul 4, 2012 · The fact that a mechanic was mucking about with them fairly recently. may be cause for concern, not the lack thereof. But for certain one needs to eliminate that as a possible cause by simply cleaning it, and also inspecting the wires themselves. 2006 ML350 - Stock. 2002 C7 Evolution Orion Blue 2.3L C230 Coupe. Jun 26, 2015 · This can be caused by low battery,or your anti theft system in your car,meaning the car does not recaonize the key, 55 people found this helpful. Your key might be worn, try moving it up and down while gently turning. 35 people found this helpful. I had this problem earlier today. Oct 2, 2009 · 2002 c230 sport coupe-key wont turn! When I put my laser key into the ignition, normally, it will recognize the key, making an unlocking noise (im sure its an anti theft matter), then the key will turn and start the car. and I dont have a spare because this is a repo-ed MB. TODAY, what happened was I put the key into the ignition, nothing ... SOURCE: what doe the code mean p0171 for 2004 mercedes either a vaccum leak, or a dirty mass air flow (maf) sensor. the sensor you can clean with crc maf cleaner spray at your local auto parts store. as for the vacuum leak, i heard there is a recall for m271 engines to replace two faulty vaccum lines. one line goes to the s/c, and i believe the other one is …There can be several reasons why your Mercedes C230 from the first generation won't start. It could be due to a weak battery, a faulty starter motor, fuel …1. put turn the metal key in the hatch lock, turn it and hold it turned - and while it is held turned, press the door handle - it should now work in mechanical mode! you feel the handle resistance when you press it, and it unlocks the hatch door. This should always work, with or without battery ! - the problem was indeed with the wiring, as he ...I have a White 2005 C230 Kompressor which I have had for about about 2 years, and I love the car. However when I bought it the dealer only gave me 1 smartkey. I don't know if it was my heavy fingers or thin plastic, but about 6 months ago the key button cracked eventually opening up a small hole in the plastic of the unlock portion of the key.Oct 15, 2013 · I bought the new battery and got it installed. The battery is strong and everything electronically works. The key will engage and the car will attempt to start but wont. It cranks but never catches/starts. (hope that's the correct terminology) After 4-5 seconds I removed the key to avoid any damage from trying to turn. Download Article. 1. Pull the key out slightly and try to crank the ignition. If the key is beginning to wear, you may still be able to engage the pins needed to start the vehicle by inserting the key all the way, then pulling it back out slightly. Slide the key back out a fraction of an inch and try turning it again.Possible Causes for Your Mercedes Benz Problems. Key Problems: If your Mercedes’ key fob has a dead (or dying) battery, it may not communicate properly with the Electrical Ignition System (EIS). If your model has an IR-equipped key fob, it may need to be reset (see below) to communicate properly. EIS Problems: If the ignition system itself is ...Reset Steps: Open your trunk and disconnect the negative side of your battery, wait 30 seconds and re-connect it back. Post-Reste Steps. Turn the key to position 2 (DO NOT START YOUR ENGINE) 1. Reseting your windows: You only have ONE shot at this so you must not screw up.03 C230 No Start, No Crank. 1. No Crank when I turn the key for ignition. (No clicks when turning the key into the 3rd position, 2nd starts the coolant pump). The battery is brand new and jumping does nothing (terminals all clean). I have had the battery/alternator workshop light on everyday, even after I replaced the battery (tested …C230 2005 key wont turn. Regards Angel again - Answered by a verified Mercedes Mechanic. We use cookies to give you the best possible experience on our website. ... My low beam light won't work on 2005 Mercedes C230, I bought 2 …5. Any key that has already been programmed to a Mercdes will never work in any other car. Once a key has been "flashed" or programmed to one car you can't reprogram the key. Mercedes keys pair "for life", so once you stick a key in the ignition and it works, it's never going to work in another car. It is true that a Mercedes can accept new ...Aug 16, 2012 · SOURCE: 2005 Mercedes C230 w/ Kompressor it seems your have a power steering problem. it could be a simple fix by checking the power steering resevoir for proper fluid level. it also be that the steering pump is failing. the most troublesome is that the rack and pinion unit is the fault. first thing to check is the fluid resevoir if it's low fill to proper level and start the vehicle. turn the ... 2005 C230: Key is not working. Jump to Latest Follow. 5K views 4 replies 3 participants last post by rjb190e Jun 5, 2010. L. LFW8X3 Discussion starter. 5 posts · Joined 2009. #1 · May 23, 2010. I think the battery died for one of my keys because I'm not able to open or lock doors.May 26, 2011 · Yes, the old keys still work. Should replace the lock housing and the tumbler, not just the ignition switch at the end of the lock housing. The new lock housing comes with a new ignition switch. Follow the correct installation procedure if you are doing it yourself. morpheusRO. 2005 C230: Key is not working. Jump to Latest Follow. 5K views 4 replies 3 participants last post by rjb190e Jun 5, 2010. L. LFW8X3 Discussion starter. 5 posts · Joined 2009. #1 · May 23, 2010. I think the battery died for one of my keys because I'm not able to open or lock doors.Step 2 – Turn key to 'off' position. Turn the key to the off position but do not remove the key, then release the gas pedal. Wait at least two minutes. The TCU is now reset. Figure 2. Simple manipulation of the gas pedal and ignition key are all that is needed to reset the TCU.Hopefully, the problem is simply that you battery is still too discharged to fully operate the vehicle electronics. Check the voltage - it should be 12.6v. If not, replace the …May 14, 2015 · If your SmartKey isn't working, you might need to re-sync it. The main symptoms are the key won't unlock the doors or start the car. You may see a blinking red light when you press a button. Insert the key and turn it to the "ON" position, then press and release the lock button on the key. Press and hold the remote's unlock button. Aug 22, 2012 · I was so mad why they dont put the battery inside the trunk like the W140.... then my mech teach me a trick. 1) pop the rear brake light bulb out. 2) get a 12V battery. 3) get two wire, small one. 4) negative to metal and positive into light blub... you should able to get power just to open the door lock, and YES! Reset Steps: Open your trunk and disconnect the negative side of your battery, wait 30 seconds and re-connect it back. Post-Reste Steps. Turn the key to position 2 (DO NOT START YOUR ENGINE) 1. Reseting your windows: You only have ONE shot at this so you must not screw up.My mercedes c230 2005 key will not turn in the ignition nor will it unlock my doors or lock or open trunk. Good thing my car is already unlocked. Ive disected my key and put it …May 14, 2015 · If your SmartKey isn't working, you might need to re-sync it. The main symptoms are the key won't unlock the doors or start the car. You may see a blinking red light when you press a button. Insert the key and turn it to the "ON" position, then press and release the lock button on the key. Press and hold the remote's unlock button. C-Class (W203) - No power no cranking no dashlights Car wont start help - Hey everyone, As the title says, my car won't start. When I put the smartkey in the ignition nothing happens, no beeps like usual or the dashboard lights going up. The remote lock/unlock and trunk pop don't make a noise either anymore, the car...SOURCE: My mercedes c180 kompressor 2002, wont start, i Hello here is what we can try sit in your car be sure all assesories are off turn the key to the on position you should here a grunt sound comeing from back seat area it should be like GRRRR that is your fuel pump if you do not here this by turning your key to the on postion with out cranking egine over …The key won't turn to start the car. key opens doors - Answered by a verified Mercedes Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.Feb 8, 2010 · My 2001 C-class started doing the same thing yesterday. When car was 1 yr old a key failed and was replaced. about 3 years ago the other failed. had been using the 1 key fine for about 8 years now. Now all keys dead including valet key and car is sitting in my garage. Am considering calling St Charles Mercedes Benz to get new keys and recoding. Your Mercedes key fob doesn’t work after changing the battery. 2. Your Mercedes key fob has stopped working with no warning or explanation. 3. Your keyless remote or key fob won’t unlock doors. 4. The panic button and/or trunk unlock features don’t work. Your problem is likely that the fob can start the car but will not allow you to ...9K views 11 replies 5 participants last post by Musikmann Sep 3, 2012. I. indy Discussion starter. 4 posts · Joined 2004. #1 · Jul 14, 2004. We have a 1998 C230. We have two remote control keys and they are both not working. The dealer said it is the Central locking pump, which would cost over $1000 to fix.2000 S500 - key won't turn/battery is dead 3 Answers. ... went dead from sitting aroun replaced the battery and now the key wont turn. the car wont do anything its a 2003 c230 kompressor 1 Answer. ... 2004 Mercedes-Benz CLK-Class CLK 320 Cabriolet-Maintenance & Repair.Mar 16, 2015 · Fuse #8 blows. Fuse #8 (7.5 amp) located in trunk on driver's side blew. Fuse #8 on a fuse diagram controls "convenience locking" and "remote trunk release". When fuse #8 is out the key fob does not lock/unlock doors or truck. I must use metal key. And the FM reception is weaker but radio still works. RELATED: How to Hotwire a Car in an Emergency (8 Easy Steps) 4. Pick the Lock. Another old-fashioned method is to pick the lock and turn the ignition to unlock the steering wheel lock. This method may require some skills, but it is possible to pick the lock just to unlock the steering wheel lock.The simplest solution, in this case, would be to order a new key from the Mercedes-Benz dealer. Read What you need to order a new key for your Mercedes-Benz. Electronic Control Module (ECU) is another reason the …If your Mercedes-Benz E320’s key won’t turn, check to see if the transmission is in Park. Many models will prevent the key from turning if the car isn’t in park when turned off. Make sure your car’s parking brake is enabled before you do anything else. This should prevent the car from rolling away if the transmission lock fails (or your ...May 14, 2014 · Hello! I'm experiencing a "non-start" problem with our 2002 C240 (160,000 miles). Key in ignition, handshake, turn key to start and all gauge lights, etc. are normal, but - car won't start, won't click, won't turn over. I may be hearing a slight, faint electric "buzz" near radio. However, if I remove Fuse 57 for a few seconds and put it back in ... Are you having problems with your Mercedes? Call : 770-837-3888https://mbtofatlanta.comFor more info watch this video: https://www.youtube.com/watch?v=A3fyWU...May 3, 2021 · I have a 2005 Mercedes c230 kompressor. When i put the key in the ignition, it doesnt turn and the car wont start. I changed the battery on the fob, when i hit the buttons the little red light blinks and i used a camera to check the infrared. They all work. Why wont it start? Cars & Trucks. There is no secret button. It sounds like the linkage between the tilt lever and the tilt mechanism inside the steering column has come loose, or the mechanism is jammed. If that's the case, it's a complicated job to repair it, and because of the air bag in the wheel housing, should only be done by a qualified shop.In My 2005 Mercedes benz c230 kompressor the ignition won’t let the key turn and when it does nothing on the gauge - Answered by a verified Mercedes Mechanic. We use cookies to give you the best possible experience on our website.I will show you how I removed the ESL and ignition switch from the dash of a 2007 C230 Sport Mercedes without removing the steering wheel and the column. Thi...2006 Mercedes Cls 500. Couple of weeks ago tried to start vehicle and it sounded like out of gas sound. Now the key fob won't turn the ignition at all. Horn won't blow but radio, doors lock and unlock … read moremrme203 • 7 yr. ago Had this same issue on my 2005 ML350. Battery was too low. I would turn the key and nothing would happen. Replaced battery and it was as good as new.I have a 2006 C230 sport mercedes-benz. The key won't turn in the ignition, I check the fuses there good. Battery is - Answered by a verified Mercedes Mechanic. ... My mercedes c230 2005 key will not turn in the ignition nor will it unlock my doors or lock or open trunk.Apr 6, 2021 · In My 2005 Mercedes benz c230 kompressor the ignition won’t let the key turn and when it does nothing on the gauge cluster works neither does the buttons on the sterring wheel and windows and heat doesn’t work nor the turn signals work. Mechanic's Assistant: Do you have power steering? Have you checked the power steering fluid? Yes My 2005 C320 Remote key is not working properly, i have to take the key very close to the driver's door opener, before it can unlock and lock the doors. w...Are you having problems with your Mercedes? Call : 770-837-3888https://mbtofatlanta.comFor more info watch this video: https://www.youtube.com/watch?v=A3fyWU...C230 remote key issues. My remote keys only lock/unlock when I hold them up to the door handle. They seem to work somewhat better on the pass side, but cant be more that 5ft from the car. Both remotes do the same thing and they batteries are not old. I suspect the antenna for the remotes but dont know where it is.2002 c230 sport coupe-key wont turn! When I put my laser key into the ignition, normally, it will recognize the key, making an unlocking noise (im sure its an anti theft matter), then the key will turn and start the car. and I dont have a spare because this is a repo-ed MB. TODAY, what happened was I put the key into the ignition, nothing ...HELP! 2005 C230 will not turn over. My 2005 C230 K died on me going down the road. My #53 fuse (ECU Fuse) was blown.I replaced it and as soon as the car is put into key position 2 it blows again and then the cooler fan turns on full speed. I was thinking it was a short between the Front SAM and the ECU but now i'm not sure because if I …My keyless entry won't work. ... Hi Guys I have a problem with my 2005 Mercedes c230 k, i try to unlock doors it doesn't work but the remote key work good ... I have a 2002 Mercedes C230 Kompressor and when I turn the key everything comes on but the motor wont start.Jan 12, 2018 · 745 Share 398K views 5 years ago Mercedes Benz 1999 C230 Kompressor sport , C-Class , W202 key will not turn in the ignition. ...more ...more Benz Key Fob Repair - Won't start or Lock... Feb 12, 2012 · To prevent that problem, the ignition switch system has logic in it so that if the vehicle battery is too low, it won;t even attempt the infrared handshake and thus the switch won't be unlocked. SO, yes, if you vehicle battery is dead or dying, you might not even be able to turn the key in the ignition switch. - Rodney. Jan 12, 2018 · 745 Share 398K views 5 years ago Mercedes Benz 1999 C230 Kompressor sport , C-Class , W202 key will not turn in the ignition. ...more ...more Benz Key Fob Repair - Won't start or Lock... Try this, it is the procedure for resetting the ASSIST computer on many Mercs. 1...Turn Key to position No:2 in the ignition / steering lock and immediately press AND Hold the button "000.0" (the trip reset button) TWICE within the space of 1 (one) second. 2…Turn the key to position No: 0 in the ignition / steering lock.03 C230 No Start, No Crank. 1. No Crank when I turn the key for ignition. (No clicks when turning the key into the 3rd position, 2nd starts the coolant pump). The battery is brand new and jumping does nothing (terminals all clean). I have had the battery/alternator workshop light on everyday, even after I replaced the battery (tested …The key won't turn to start the car. key opens doors - Answered by a verified Mercedes Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.May 14, 2015 · If your SmartKey isn't working, you might need to re-sync it. The main symptoms are the key won't unlock the doors or start the car. You may see a blinking red light when you press a button. Insert the key and turn it to the "ON" position, then press and release the lock button on the key. Press and hold the remote's unlock button. C-Class (W203) - No power no cranking no dashlights Car wont start help - Hey everyone, As the title says, my car won't start. When I put the smartkey in the ignition nothing happens, no beeps like usual or the dashboard lights going up. The remote lock/unlock and trunk pop don't make a noise either anymore, the car...First step is to get a key from MB. If the ignition still won't turn the EIS has most likely failed. It will need replaced by the dealer or a shop that has a locksmith cert with benz and …1. Remove the interior light panel to access the motors (2x). One motor is for retracting the cover, the other the window. Often times, the motor controlling the window gets weaker. Swap the motors around, that should work. (rare times, the motors dies, and just replace it). or. 2. Use WD40 and lube the rollers.Key won't turn in ignition but operates doors and dash lights turn on ... Good day I have a c200 compressor w203 2005 I have change ESU ignition switch and steering lock from a different c200 compressor I don’t get ... Sorry its for a 2003 mercedes c230 kompressor with the 2.3l supercharged motor and is rwd. Followup ...The fuse box is located in the engine compartment on the left-hand side. Twist screws (1) 90° counterclockwise. Pull up cover (2) Slide-out retainer (3) and remove the cover by pulling towards the front. Install cover (2) in reverse order. Release clamps (5) Remove cover (4) №. Circuit protected.
1. Turn the Steering Wheel. If you think the steering wheel lock is stopping you from turning the key, you have a simple fix. Turn the wheel rapidly from side to side. While you do this, you want to try turning the key again. This small action helps to relieve the pressure on the lock.. Long beach sam
Welwyn Merx Limited is a family run business with genuine passion, dedication and 25 years of experience dealing with Mercedes-Benz and AMG passenger cars. Tel: 01707 395999 www.welwynmerx.uk. Forums. Technical. Electrics, Vacuum, Ignition and ECU. I have a 2012 Mercedes C Class Coupe, and the brake lights won't …May 10, 2005 · J. jmp29 Discussion starter. 7 posts · Joined 2004. #2 · May 10, 2005. Ok, the battery is obviously dead and the keys will not unlock the door. I can open the trunk. (or it was unlocked allready but I doubt it) But the drivers door will not unlock. I tried feeding 12v thru the dome light in the trunk. That only makes the dome light inside the ... Jan 7, 2012 · #2 · Jan 8, 2012 I sometimes have a similar thing happen with my '97 C200, but in my case when I insert the key nothing happens, steering lock doesn't disengage or anything. If I stick my finger into the ignition slot and give it a wipe then all seems OK, but after this happens the engine starts for only a second before quitting. The fuse box is located in the engine compartment on the left-hand side. Twist screws (1) 90° counterclockwise. Pull up cover (2) Slide-out retainer (3) and remove the cover by pulling towards the front. Install cover (2) in reverse order. Release clamps (5) Remove cover (4) №. Circuit protected.Reasons a Mercedes-Benz C230 AC Isn't Working. Mercedes-Benz C230. The most common reasons a Mercedes-Benz C230 ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. 0 %.Key won't turn in ignition but operates doors and dash lights turn on ... Good day I have a c200 compressor w203 2005 I have change ESU ignition switch and steering lock from a different c200 compressor I don’t get ... Sorry its for a 2003 mercedes c230 kompressor with the 2.3l supercharged motor and is rwd. Followup ...So I've been messing with my W203 2006 Mercedes C230 Sport Sedan, reading forums and trying out suggestions. I've made some progress but still have major... in this thread in this sub-forum in the entire site. ... 06 C230 Key won't turn, ESP warning, speedtronic warning, ...If your Mercedes-Benz E320’s key won’t turn, check to see if the transmission is in Park. Many models will prevent the key from turning if the car isn’t in park when turned off. Make sure your car’s parking brake is enabled before you do anything else. This should prevent the car from rolling away if the transmission lock fails (or your ...How can I get my 2005 Mercedes C230 key to remotely open doors, I have changed the batteries but it will not lock, nor open doors. Seems like you may have to reprogram your key fob, take it to a place where they cut keys and they will charge you $40 to reprogram it. Oct 27, 2013 • Mercedes-Benz C230 Cars & Trucks.I have a 2006 C230 sport mercedes-benz. The key won't turn in the ignition, I check the fuses there good. Battery is - Answered by a verified Mercedes Mechanic. ... My mercedes c230 2005 key will not turn in the ignition nor will it unlock my doors or lock or open trunk.Try this; next time it happens put a small amount of torque on the shifter, one way or the other, then see if it slips into the desired slot. If it does, simply remove the console face, align the shaft and tighten down. Please come back to let us know if this works. Andy111. 38 posts · Joined 2012.Feb 12, 2012 · To prevent that problem, the ignition switch system has logic in it so that if the vehicle battery is too low, it won;t even attempt the infrared handshake and thus the switch won't be unlocked. SO, yes, if you vehicle battery is dead or dying, you might not even be able to turn the key in the ignition switch. - Rodney. 3 posts · Joined 2011. #6 · Mar 29, 2011. PROBLEM SOLVED!! So, in case someone else has this issue here's a brief summary of the symptoms and what solved it! 1- Key won't turn in EIS, door chime works so the car knows the key is in there. 2- Remote won't lock/unlock car, red light flashes and remote batteries are new...