Question about 1994 Mercedes-Benz C-Class

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Remove and replace 2 electric cooling fans in front of condenser coil

Remove and replace 2 cooling fans on my mercedes benz C280

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  • Master
  • 372 Answers

THose are not fun. pretty sure you have to remove the grill and loosen the Radiator to sneak them out.

Posted on May 18, 2014

  • kcraddock56 May 19, 2014

    No grille to remove because when you raise the hood on a 94 Mercedes Benz C230 the grille goes up with it! Also must remove radiator brackets at top to push back and then unbolt the fan assembly and pull up and out.

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6ya6ya
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Posted on Jan 02, 2017

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ginko
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SOURCE: how do I replace a fan belt on C280 model with air conditioner

You find a 17 mm bolt under the belt or a 15 mm bolt in the middle of the tension pulley. If you undo the bolat this will release the belt tension.
To remove the belt turn the bolt by slipping a 4' pipe over the socket wrench handle.
Use a wrench as a lever to slide out the belt. Put the new belt last on the idler pulley that contacts the belt only on the smooth side.
Do not unscrew the Button Torx bolt in the center of the tension pulley, it is not needed.

Posted on Sep 01, 2008

  • 1 Answer

SOURCE: Replace Cabin Filter in my 2002 C240 Mercedes Benz

I have a 2002 C240 Mercedes and need to replace the cabin air filter. Problem, I don't know were it is located or how to replace it. Can you help me.

Posted on Mar 21, 2009

jasperoni
  • 203 Answers

SOURCE: My air conditioner won't blow cold air. It just blows air.

Hello I'm a M.B. tech. 1st you need to know why the freon is low. Hopefully it just needs to be serviced. There is a component located in the lf of the engine compartment called a receiver drier. It soaks up the moisture in the freon so the gases can work the way they are supposed to. On this unit there should be 2 switches(I believe they were combined into one switch in 98. 1 switch is a temp switch that operates your electric fans, the other is a compressor cutoff switch. Assuming the compressor is not coming on-take a fused wire and bridge the 2 contacts- If the compressor does not come on at all there is another problem(it is not low on freon. On the condenser there is a high side port(it is the bigger of the 2)By the brake master Cyl.(lf of the engine compartment thereshould be a smaller low side valve in line with the fuel cooler hose. Usually you can hook up a machine to the low port and **** freon in through that port. Assuming you do not have a refrigerant machine. It is very self explanatory on the bottle of r 134a refrigerant which can be purchased at your local auto supply store. I would start with 1 lbs. and add dye with the freon in case there is a big leak. If the system is overcharged it will not cool properly. I believe the system capacity is approx. 2 lbs. Add a few ounces after the first pound until a/c system is cooling properly and the electric fans are also coming on when the system gets to high. If you get a can with a good Gage set on it you should see the high side between 150 and 2000 psi(fan coming on at max. press.) also the low side should read about 35. It is about the temp of the evaporator which is i=located in the dash and the blower blows through this component out through the vents. Hopefully I have been helpful.

Posted on May 28, 2009

jasperoni
  • 203 Answers

SOURCE: 99 MERCEDES BENZ C230 AUXILIARY COOLING FAN RELAY

I thought they where either on the side of the core support(follow the wire harness and it should go to the relay). If not remove the fuse box lid and then take out the screws retaining the lid housing and you will find a series of relays. There will be one for high speed (engine uses this when temp. is to high) the other is a low speed relay(this is the climate control aux. fan relay) They may have fuses on top of them I know the older models did. I hope I have been helpful.

Posted on Sep 09, 2009

ezdoesit2
  • 40 Answers

SOURCE: i have a 1995 c280 mercedes benz i need a diagram

Here you go. Please let me know if it helps.

http://0.tqn.com/d/autorepair/1/0/4/P/mb_air_pump-1_256b.gif

Posted on Mar 21, 2011

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Fan /blower in my Mercedes S280 1998 model not working no noises Just wont blow. All switch lights related to A/C ventilation are ok.


http://www.autozone.com/cooling-heating-and-climate-control/a-c-heater-blower-motor/everco-a-c-heater-blower-motor/mercedes-benz/c280/1998/6-cylinders-2-8l-mfi-sohc/385580_0_1526_5281/?checkfit=true

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How to change a headlamp in a mercedes benz c280


When changing a headlamp in a mercedes benz c280 1995. Lift the hood latch on the inside of the car. This is located under the driver side of the car. Release the hoodlatch in the front. Open the hood and behind the headlamp (left or right), Remove the two clamps that hold the back cover onto the light. After this cover is removed, behind the headlight there is a wire behind the light that hold the light in. Squeeze the two wires together and pull them back. This will release the light. Remove the light from the socket. Place the new bulb in the socket. Remember not to touch the bulb with your fingers, this could cause the bulb to break if it gets the oil from your fingers onto the bulb. Once the bulb is replaced, put the wire back in place and replace the back cover of the light.

on Nov 27, 2010 | Mercedes-Benz C-Class Cars & Trucks

1 Answer

How to remove and replace 2 radiator cooling fans


it should not be necessary . The fans should be connected to the condenser and moving of the condenser should allow access to the mounting bolts.

May 18, 2014 | 1994 Mercedes-Benz C-Class

1 Answer

Why does my 1997 mecedes benz e420 run hot when I turn on the air conditioner


Couple of reasons. You may need to have the Radiator backflushed to remove sediment. You also have an Electric cooling fan which may be malfunctioning. They (fans) often have more than 1 speed and high speed may be broken so it can not keep up with extreme heat.

Some fans use more than 1 relay to switch the fans and the second stage relay may be bad.

Overall, the A/C coil is placed in front of the Radiator and depends on airflow to function. This makes the air available to the Radiator much hotter so the Radiator is having a hard time cooling the engine. The Electric radiator fans kick up the airflow to help both systems out.

A dirty radiator, old antifreeze, etc. can affect performance.

I hope my solution is helpful. Radiator shops can service most Brands.

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I have 1997 mercedes-benz E320, the ac blows cold at 35 mph and over but warms up under that speed, i tried charging system last year but it acted the same


Check if condenser fan is working.
When a/c is on , electric fan on the radiator should come on.
If it's not , system may overheat and shut down , when you move there is natural air flow through condenser , when you stop , if fan is not on no air flow (cooling) through condenser , system pressure rising and safety switch shuts off the compressor.

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You might check the cooling fans on the condenser to see if they are running when the ac is on.If they are not check for blown fuse,or bad cooling fan relay.Do you notice if the ac cools better when running constantly,and the ac is not so cool when in traffic,stopping and going,and running slow?If so the cooling fan,or fans are not working.If the fan fuse and the relays check out fine,then replace the fan,or fans.If I can help any more please ask.roniecon@gmail.com

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Where's turn signal switch? on c280 1994 mercedes


The switch is the stalk assembly on steering column. The hazard switch is the relay(FLASHER). To replace switch r&r LF under dash and unplug 2 connectors at base of steering column(electrical). You will need a long t20 socket to remove airbag and then a 10mm allen to remove steering wheel. There are a series of screws to remove the c.c. switch steering airbag contact and blinker switch. I would recommend replacing the hazard switch first unless you are certain that the blinker switch is bad.

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1998 Mercedes C280 2 Sensor gone bad. Where are the sensors...


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Mar 09, 2009 | 1998 Mercedes-Benz C-Class

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How do I replace a fan belt on C280 model with air conditioner


You find a 17 mm bolt under the belt or a 15 mm bolt in the middle of the tension pulley. If you undo the bolat this will release the belt tension.
To remove the belt turn the bolt by slipping a 4' pipe over the socket wrench handle.
Use a wrench as a lever to slide out the belt. Put the new belt last on the idler pulley that contacts the belt only on the smooth side.
Do not unscrew the Button Torx bolt in the center of the tension pulley, it is not needed.

Sep 01, 2008 | 1995 Mercedes-Benz C-Class

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