I took off the battery. Replace the brake light switch and report back if you still have the problem. These are my questions as follows: 1. Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to first gear. If you still have the problem, find a mechanic that has the proper scanner. Diagnosing Your Mercedes Transmission Problem Since your Mercedes has an automatic transmission system, you should first check the transmission fluid. The following codes are still present: 132, 135, 147. Please I need your advice if I should replace the transmission Plate. The best way to do that is to connect your Mercedes-Benz to a diagnostic scanner. Now lets see if we can help you troubleshoot your transmission. Take your MB to a shop with Star Diagnostic and they should be able to figure it out. 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. Correct the level and clear the codes. The 4matics were the last models that were changed from the 722.6 five-speed to the 722.9 seven-speed. 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. Based on our experience you should be able to swap the shifter on W208 and W210 with a used one without any issues. I have a 2005 e320 4Matic (gas) 356,000 klmsmostly highway. The connectionbetween the ignition module and the shifter module. Hei.I have a E220cdi 150hk.Sometimes the engine goes to a limb mode.Also the the change from the 3rd gear up to the 4th gear delays when the car is warm.If i give full gas from the 1st gear then the car doesnt change gear.In both cases if i take the key out and in again the car is working again.At the workshop they cant find what the problem is.Eny ideas? 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. Yes No Sunday, December 7th, 2008 AT 5:03 PM 1 Reply GFIMOTORCARS EXPERT Some of the shifting is quite abrupt. How do I know which radiator I have in my 2003 CL500? No probelm shifting in reverse, N or D when in limb mode tho. Look at the radiator it should have a stamp of the manufacturer. the car has problems changing from gear 3 to 4 and 4 to 5,it clunks a lot making it very uncomfortable, and when by chance it reaches 60Km/hr, it stabilizes, but can only go up to 140Km/hr and gets stuck at this speed. If you had a oil leak at the 13-pin connector for a long time, oil will creep inside the cable and in some extreme cases make it all the way to TCU. Then I ordered the conductor plate and replaced it with the new transmission oil but still no luck. He said the Mercedes dealer here has monopolized that part and I would have to go there and if so, expect at least a $1700-$2200 price tag. Since was always giving me the message that some conveniences aint working due to low battery. 3. A200 auto hatchback not selecting gears ,not moving. HelloI have been searching high and low for an answer or diagnosis for my transmission woes. It will say if you have a 722.6 (5 speed) or a 722.9 (7 speed). This transmission is known as 722.9 or 7G. After that it does nothing as far as engaging gears forward nor reverse. Had a problem with the gearbox stuck in D and Neutral position. The car is running ok now (only driven it a further 5 miles), except now when coming to a stop, it seems like the gear changes down too soon and I feel a very slight jolt with downward gear changes. Its just what gets added on the line according to the build sheet. with Mercedes dealership back in Ottawa and it is quite a distance (5 hrs.) You dont need to pay anyone to read the codes; you can retrieve them yourself in a couple of minutes with the right OBD II scanner. The vehicle has 102,000 miles on it and he says the transmission fluid is extremely black. I have changed oil,filtr and gear plate but still problem is there. 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. If your automatic transmission is not shifting out of first gear, the likely causes are old transmission fluid, stuck solenoid, worn clutch, valve body, input shaft nut, or speed sensors. Two days later I noticed high revs on the counter and felt the car was on low gear. i inspected harness and looks fine on top and bottom at both connectors. Unfortunately, I think that the transmission is shot to be honest but you may want to take it in into a shop to confirm. Ok, Thanks for your input Mercedes Medic! 17 reviews. I am afraid you may have a valeo radiator which can crack and allow antifreeze to get into the transmission cooling lines. Mechanicswho are not familiar with Mercedes-Benz transmission suggest replacing the whole transmissions when the root of the problem in the O-ring plug. He worked on the valves, dried the area and got his scanner for the codes. So decided to change and since then this message stopped coming up. ..and showing (bas,srs)can you assist. SUV is 1999 ML320. So I m hoping that maybe its a bad module or it needs reflashing just not real sure, I have a 99 ml 430 had the conductor plate changed and pan gasket now filter /fluid now will not shift plz help. Save my name, email, and website in this browser for the next time I comment. Hy..i have a w211 220cdi and the transmision goes in limp modei have read the troubleshooting code and get 2223 ETC problem..somebody says to me that mean be the shift selector from inside..can be these?? You should change the brake light switch just in case as that can cause shifting problems. Your email address will not be published. I even have pictures of the electronics board. You will have to look down there. I changed the fluid, filter, 13 pin connector and checked the fluid level according to the instructions on this and other MB sites. May need to look at the bottom of the radiator. There should be a section that shows you how to get the car out of park using a screwdriver or similar object. Air pollution (sighs)! Thanks for your great job on this website bye Now its in limp mode only. An alternative solution is to try a Mercedes-Benz 7G 722.9 conductor plate repair service. The main issue is selecting first gear. if i do this would i have to get it coded to the vehicle?? Got 9qt in it now and it was blowing the fluid back out like t as full. It is hard to say without properly diagnosing it. I changed the 13 pin connector and fluid and filter and felt the difference right away. I am in south africa waiting your reply. my thoughts are to change the 13 pin connector and get a used tested valve body and conductor plate. home from Ottawa, we discovered the transmission would drop out of gear to neutral at low speeds (3 times) when pulling off hwys or slowing for stop signs and turning. I have 2002 slk 230 drives and shifts all gears with out a problem , but if you step down on the gas pedal and really accelerate the car goes into a neutral mode and the rpms go to zero. Not on the 5 speed transmission. Yes a TCU need to be programmed to your vehicle VIN. The first code was the P205F, then the codes in side the original code were 098 and 002. Mercedes Repair Buying an automatic A class with gearbox stuck in first gear. however, he insisted that i replace the system. If you are still having issues with the car going into limp mode and the scanner pointed you in the direction of the valve body then you may want to consider replacing it. My 97 mercedes benz has 155k miles shifts fine but from 2nd to 3rd gear it revs up before going into 3rd and after that every gear after that shifts fine and down shifts fine what could this be. After that the shift is going smooth and no issues. And would it be a bad idea to replace the current one with a used one? It depends on which version of the valve body you have in your 722.9 transmission. Regardless of the information provided here, you are responsible for verifyingif your shifter module needs programming. Because the screen wash reservoir filler neck is directly in front of the ABS unit, water can get into the electrics if the owner hasnt been careful, and over time the connections can corrode. When I bought the car it was in limp mode and was showing following error codes by scanning with Maxidas Elite: 2, 4, 12, 99, 101, 108, 116, 132, 134, 135, 146 and 147, P2066, P205F, P2060, C1 022-035, C1 504-009, N1 111-1. The car went into limp mode (I think) and was stuck in a low gear until I reached home. Your Mercedes BMW 525 Diesel Touring Oct 28, 2008 #3 Some Mercedes will hold first up to about 3200 rpm when started from cold. Engaging D or R is now clunky but previously was silky smooth. Here are two of our favorite scanners that will read and erase trouble codes from the transmission control units on Mercedes-Benz cars. Thanks. Hi, I was driving on the motorway and I pushed the Mercedes benz clk 500 2006 model a bit to about 90mph for about 5-6 mins. GMC vehicles that use a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems when switching to higher gears. Hi to all I dropped the trany pan and found a Dog Biscut otherwise the fluid was clean. Thanks for a very informative article. The battery was dead when I bought the car. Thank you in advance for your reply. The 5-speed transmission that was used between 1995 up to 2008 is one of the best transmission ever built. The car seems to be stuck in 1st gear or neutral as I could not get past 20mph without maxing out my rpm's. I had to drive 3 miles going 20mph to get somewhere so I could get towed. Our technicians tell us this is due to an internal component failure. In one of them, the vehicle will refuse to shift from 2nd to 3rd gear. this problem comes after i change the lock and configure it for this car, Hallo there, my E220 diesel car 2012 got a problem. It happened twice in one week. These are easy fixes that you can even tackle yourself. Diagnostics was done and fault codes cleared But I would definitely like to get it fixed! It may not be an issue with the transmission. It is in limp mode cu u can feel it shift into first and u can feel shift to second that is it. You need a scanner that has the 38 pin connector. These transmissions are very sensitive to the fluid level. 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