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  1. W204 C-Class
    Hey everyone. My 2012 C250 suddenly started having a plethora of issues that I have no idea where to start with solving. My symptoms are intermittent but are beginning to happen more frequently. All of my gauges rapidly shift up and down between the correct reading and zero. This includes engine...
  2. W221 S-Class
    I'm having No luck with my 2007 S550 4matic W221, I'm trying to locate the low pressure sensor to see if its bad, when I goto use the multimeter to check if the senor is bad, I see the diagrams from the Mercedes parts website but. Looking for an actual picture of where I can find this little...
  3. W211 E-Class
    Hey guys, about a week ago my a/c stopped working. The air still blows, but it’s around 76-80 degrees according to a thermometer, even on the coldest setting. I’ve made sure of a number of things, the main being that the compressor is running, and the system is charged. I hooked up an a/c pro...
  4. W210 E-Class
    When I purchased the car the a/c did not work at all. I have replaced all components. When you turn it on about 50% of the time it works perfectly however the other 50% of the time the fan motor does not blow any air. You can turn the car off and back on occasionally it will start working as...
    a/c
  5. W163 M-Class
    Hello, I'm getting ready to repair my A/C before the warmer months. I searched the forums and found very useful information. This is what I have done so far. -Seized compressor, clutch at least, internal clutch model, center pin isn't spinning, it did when A/C worked -B1105, A9 Code -AAC looks...
  6. W210 E-Class
    I own a 1998 E430 Elegance, and recently it has been showing some strange issues with the air conditioning system. When I start the car, if I turn on the A/C, it will work to the set temperature but only sometimes. If the A/C is turned on at any time that is after 1-2 minutes after starting the...
  7. W124 E,CE,D,TD Class
    Working on a '95 E320 wagon, US model w/push-button climate control. Tried to turn on the heater the other day and no blower action at any speed. Further investigation shows that compressor isn't engaging when I adjust temp control accordingly; so basically things are totally dead regardless of...
  8. W124 E,CE,D,TD Class
    Hey everyone! Does anyone have any information regarding wiring diagrams/routing etc for the Diavia A/C systems that were fitted to some of our cars? I believe they are under the Westabo group now. I figured it would be great to get a thread where we could collect all the information for these...
  9. W126 S,SE,SEC,SEL,SD,SDL Class
    Hey so a couple months ago I posted saying that my A/C wasn't working in my 82 300sd. The consensus was that I should try replacing the ignition switch. I did that and at first it seemed to fix my ac. When I cranked the car up the blower motor was pumping out reasonably cold air. However before...
  10. G-Class
    I recently noticed after removing my radio and installing it back, I can no longer change my A/C and heat vents from the floor to the upper vents. I did push the radio back in with a little force because of all the wires and connectors on the aftermarket radio and I'm afraid it damaged...
  11. W201 190-Class
    Hello everyone, i'm thinking of starting a new project with a 190E and throw in a Turbo M111. I need AC to use this car in the summer. Can I use a non-AC W201? If so, what do I need to salvage from an AC one or should keep from the donor car that I'm going to sacrifice to get the engine and...
  12. W126 S,SE,SEC,SEL,SD,SDL Class
    I have a 1982 300sd. Originally when I bought it I thought the a/c didn't work. However, I discovered that it actually does turn on when the key is in position 2, but it immediately turns off when I start the engine. The air is not very cold (it needs to be charged) but the blower fan definitely...
  13. W210 E-Class
    Currently have a 1997 E420 with the factory dual condenser fan layout; part number is 001 500 16 93. I noticed my coolant temperature to rise well above 100C in hot city traffic, as well as my A/C intermittently shutting off. Opening the hood I noticed the condenser fans were not spinning at all...
  14. R230 SL-Class
    During a recent upgrade to my OEM stereo (which went great) I managed to lose a connector. On the back of the A/C controller in the center console there are three connections. Two are large latch-in types and one is a small three pin/three wire keyed plug in. I have lost that plug and wire...
  15. W205 C-Class
    i got into an accident and curtain and rear side airbag deployed, i changed both airbags and did the body but i didn’t do anything with the crash sensors. i also got the srs system reset by a company and everything has been fine, i get no light on the dash anymore but my a/c does not work...
  16. W210 E-Class
    Car = 2002 E320 with intermittent compressor (internal mechanical dysfunction). After performing relevant diagnostics and with the aid of prior postings, it appears that the compressor refrigerant control valve is faulty. The compressor is the factory-original Nippondenso 7SBU16C, a swashplate...
  17. W245 B-Class
    Hi, I just got back from the stealership where they told me that a simple recharge on the AC won't do the trick on my wife's 2008 B200. They suggest that I spend $2100 cdn to replace the compressor ($1247 for the compressor itself, no mention of expansion valve or other parts). What are...
    a/c
  18. W140 S-Class
    For the longest time my A/C loves making chirping noises whenever it feels like it; assuming its the blower motor, what brand do you guys recommend? I'll probably just get the Nissens one and re-use my old regulator (replaced it 2016) with some new thermal paste. Any recommendations or tips...
  19. W140 S-Class
    For a few years now I haven't been able to push my left 'AUTO' button..I think the inside plastic piece broke or something. I watched a couple YouTube videos on how you can glue the piece back and have it working again but none of them specify. Do you guys know which side of the button I...
  20. W140 S-Class
    I drive a 96 S320 with about 127k. For years when I drive, the A/C every now and then likes to make this high pitch or chirping noise. It doesn't happen all the time, but when it does randomly appear, the noise sometimes gets louder when I press on the accelerator LOL! Also, whenever the A/C...
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