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The other side of this is the climate control. When I set to a temperature, or just crank the fan up to full-blast, I can hear the fan working overtime within the console, but little-to-no air comes out of the vents. This makes it difficult in both the dead of summer, and the depths of winter (or vice versa).
On both counts, I've had a Mercedes dealership and my local (and trusted) mechanic look into it. They've said it's a problem with the computer in the central console (the dealership called it a... "convenience" module, or somesuch?).
I'm primarily trying to find out the name of this part so that I can find a replacement on my own. Can anyone point me in the right direction for this? Or give me any other suggestions?
Any help is appreciated; I don't look forward to another winter having to hold a snow-brush out of my driver's-side window to keep the windshield clear.
As for hard starting with a bad 02 sensor, the only thing I can think of is that a bad 02 sensor may cause the car to run rich or lean, and that might have fouled the spark plugs.
Dealership has 'given up' even they dont know what to do. Last suggestion they're going to drain all the gas in the fuel system and put in Chevron with Techron to see if that makes a difference.
Any suggestions, dont have the error codes to hand.
You might also check your gas cap and tighten it up.
There's also a different way to check coolant when hot or when cold. Be sure you are reading the correct level in the overflow tank, depending on a cold or warm engine.
vpkaren
Dealer said: rough shift only on 3 to 2 downshift. Found transmission fluid dark. Do not understand this -> "performed short test, found stored code for selector lever is implausible, communication with engine module, and reverse/park lock solenoid fault".
Normally would recommend a valve body, but mileage is high. Not confident will fix shift issue without cause clutches to slip. Dealer said : best to replace entire transmission.
But for now, can still drive without much problem.
For the past 35 years, I've worked on all of my own cars, as well as my friends and relatives. I'm not a mechanic by trade -I am a do it yourself person when it comes to cars. I don't dabble technical issues beyond my capabilities. I have never owned a foreign car, so won't work on my wife's BMW unless its an oil change. I have changed the oil it it (BMW) and on my daughter's C230. I have never heard of a vehicle being placed in park and then rolling on a slight incline. I have also never seen about a quart of transmission fluid leak out from beneath the car like it did the other night. Has anyone ever seen this before or can tell me how a Mercedes goes into park like I've described, and still rolls? I can tell by the 18 pages I just read in this forum, that the C230 is very expensive to repair. Has anyone ever lost a quart of trans fluid? I find it odd, that the car still drives, as I just put it on my ramps. :confuse:
My Merc ce 230 Coupe is overheating. The temperature is reaching 120 in 10 minutes of driving. The Temperature stands still at around 80-90 while driving however when the car slow downs/trafiic signal it increses rapidly.
I stay in Qatar and its summer right now, i think weather plays its role in this problem however the rest of the cars does not get heated to this extend.
If the tempearture reaches 120 i have to either stop on the ROAD or on the road side and wait for it to cool down before driving again.
The mechanics here does not have sound knowledge about why the car is over heating.....
I have to put water every 6 hours to run it...
Your valuable advise or suggestions are highly appreciated with regards to a permanent solution.
Regards,
Ali.
Dealer wanted to charge $500 for it, took me two year to find out the cause.
Transmission modulator valvue something
Speed sensor modulator
etc.
Taking this car to dealership today for another diagnostic and see what they say about it.
Otherwise there are other things. Is there any check engine light on ? (I didn't have any before). You may buy a $99 computer reader tool to plug under the dash to be able to read any error codes and get an idea on what could be happening.
I AM VERY INTERESTED IN STARTING A CLASS ACTION LAWSUIT. IF YOU ARE INTERESTED PLEASE RESPOND. :mad:
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In the past 5 weeks I've brought my car into the dealership 5 times with repeated check engine light! Each time I bring it in it seems like they fix something small, and not the real problem.
The 1st time my car idled rough and shut off at a stop sign and then the check engine light came on. I brought it to the dealership and they said it was an oxygen sensor and they fixed it. It seemed to pull going up hills and my mom noticed a burning/hot smell. Within 48 hours of leaving the check engine light comes on again. I bring it back and they say its a fuel filter issue-fixed. 48 hours again same story. They change the software.!? Again check engine light within 2 days of leaving the dealership. Last time (the 4th time) they said it was a 2nd oxygen sensor issue. Less than 24 hours later the check engine light is on again!!! This is the most absurd experience I've ever had.... please help. I'm not sure if the dealership is messing me me and saying it's little things waiting for my next service A or waiting for my warranty to run out (in 6 months) so that it's my cost rather than theirs!!!! Very frustrated. :lemon:
Issues that occurred recently before the first CEL---blinker intermittently acting crazy and the A/C was doing what it wanted. No air then a blast of A/C 2-3 min after turning it on (not sure if it's related).
Your A/C problem might be a vacuum leak. The A/C system uses engine vacuum to swap climate control valves. I hope this helps.
I currently have the same vehicle 2012 mercedes benz c250
The exact same thing happened to me today. While I was at a stop light..car idling the engine suddenly shuts off. I did not have any problem starting the car back. Did you find out what was wrong with your car? Any information will help. Thanks
the engine does not lose power while accelerating but lights, defrost motor,
continue to surge and fade.When at idle, engine idle fades and nearly dies.
No check lights are present Help!!!!