Mercedes-Benz C280 Questions

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1) The A/C is tripping off and on. It comes on for like 20secs and then trip off for more 4mins or longer. At the time it stops cooling, the fan blows well but not cold. What could be wrong with the A/C system?
2) There is temperature sign (like the symbol of a thermometer) that comes on intermitently. It comes on and goes like every 2mins. But the engine temperature indicator does not show any overheating. The indicator is slightly above 80deg Celsius when the thermometer sign comes on and then the temperature indicator drops slightly below 80deg Celsius when the thermometr symbol is off. I don't understand the problem that this sign represents.
3) Again the fan comes on once the car engine starts or even just when you turn the ignition. The fan blows at full speed and very noisy. Is this normal? I thought the fan is supposed to come on after some minutes of the engine running and then trips intermitently depending on engine temperature.
Please tell me what is wrong with this car as it is a fairly used car that i just bought.

Last week changed the oil and filter with mobile 1 synthetic, noticed a milky foam on cap and cleaned the cap. Today sitting at a light I saw a small amount of steam coming from the hood. I found antifreeze leaking but cant find from were. Oil cap has foam on it again. Runs great , no smoke from tail pipe.Oil on dipstick looks fresh. Im stumped. Need other ideas besides a bad head gasket or cracked head on how foam can get on that cap.Please

the sound is not constant and doesn't do it in reverse. when I turn the wheel to the left it sometimes will stop until I straighten the wheel.The car sat for a few weeks and when driven there was no noise for a few miles. Then it started and I jerked the wheel hard to the left and the noise stopped. what to do?

Was diagnosed at dealership, was told to get new one coz of age and mileage (229,000)not worth fixing it. The car really runs good except engine light sometimes come on. Thank you.

Can my head gaskets be replaced from another car or do they have to be rebuilt? ?

When I am at a stop, the car wants to stall and the lights dim. The battery light flashes on and off. Brand new battery 2 weeks ago after the mechanic ASSURED me it was not the alternator.

They all quit at the same time last night. Checked the fuses any other ideas

When I turn the car off and restart it, it works fine. Could this be electrical as oppose to the transmission?

The engine actually shakes the car. The car will not move no matter what gear. Check engine light is on. My mechanic ran the code, and it suggested it is a bad anti-theft sensor, and that the car shaking and failure to engage gear is actually the expected result (can't steal the car!)

Have you heard of this before?

This is very disconcerting at night. The radio panel lights up if radio on.

when the fuel tank is empty ,i can only pump 4 or 5 gals of fuel into the tank before it shuts off ,and wont let me pump anymore in.

no problems just wanting to know in order to prevent major financial and transportation (lack of)problems in the future...mine has 157,000

the lock cylinder is locked up,it wont turn

how do i check to see if the wire is plugged in?

if not motor could it be lineage or just a screw


The car will start and then shut down immediately. I waited 10 or 15 minutes and it started fine and ran with no issues. I had just added a quart of oil and the car has 223,000 miles. I am using the extra flat key fob which sometimes comes out of the switch before I turn it completely off. Don't know if that may contribute.

It was dark out, all lights stayed on. The ets light on dash came on,I coasted into a parking lot when I tried to restart the red and green lights on the rear view mirror will flash, the key fob seems to work you press the button and the mirror red light will flash hit the button again the mirror green light will flash but when you put the key in and try to start the mirror red and green lights go to flashing and the car will not start, any ideas.

I must turn the light switch past the diagram picture to work

Can not open trunh