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C320

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Question
Where can I buy the automatic transmission sensor circuit?
If a local auto parts store does not have it I recommend contacting the Mercedes-Benz dealership parts department of your area if you're not confident in the repair I recommend hiring a qualified professional in your area
Question
Car makes ticking sounds
Without being able to hear the noise, it will be hard for me to offer an accurate assessment. A common issue for a ticking or clicking noise from the dash is a faulty climate control stepper motor. The Mercedes...
Question
Startup issus, error codes
Those codes: P0170, P0173, and P0335 are indicating that the airflow coming in that is read by the MAF sensor to set up fuel injection timing does not match what the oxygen sensors are reading based on the exhaust sample....
Question
The car accelerates slowly, hesitates and shudders
Unmetered air can cause this type of hesitation and shuddering. Too much air compared to fuel will cause a lean misfiring condition. Fault codes need to be read out of your Mercedes C320's engine computer to see if there are...
Question
The car makes noises while making a turn to the left
Depends on what are the noise is coming from. If it is from the front end, then it's likely a worn suspension component such as a sway bar link or a steering component like a tie rod end. From the...
Question
The car makes noises while making a turn to the left
Depends on where the noise is coming from on your Mercedes C320. If it is from the front end, then it is likely a worn suspension component such as a sway bar link or a steering component like a tie...
Question
Air volume and air distribution controls not working in mercedes c320
The most likely cause of this issue would be the climate control unit. The mode door actuator can prevent the different distribution zones from working properly. The blower motor or blower resistor can cause the fan speeds not to work...
Question
my car will turn over but not cranking up.
The symptoms you described lead me to believe that you have a fuel delivery-related problem. I suggest that you check for fuel pressure at the fuel rail. If pressure is within factory specifications, I would then do a fuel flow...
Question
how to change 4 shock absorbers ?
This vehicle has front and rear struts on most models and can only be done using specialized equipment to compress the spring to get the strut apart. The vehicle would then need to be aligned. If you need some help...
Question
Automatic transmission
Hello. This is a very robust transmission, as your advanced mileage demonstrates! The downshift issue you have described is likely either the governor (possibly a broken spring?), internal to the transmission, or an issue related to the throttle position sensor,...
Question
My 2001 c320 has an intermittent starting problem. I turn the key to start the car and nothing. There is no engine turn over. All
A YourMechanic no start diagnostic on the problem you have written in about involves first determining whether or not full battery voltage is reaching the starter motor itself. If not, then the circuit has to be traced from the battery...
Question
Why does certain things not work?
Hello, thank you for writing in. Did you do any testing to make sure the voltage regulator was the issue to begin with? There may be a chance your battery was failing, or the alternator was failing. With electrical issues...
Question
I took my car to get a oil change and valve cover gaskets replaced when I got it back it was smoking and leaking oil terribly als
Hi - and thank you for contacting YourMechanic. Inspecting for an oil leak - If the oil pan is leaking - yes there is a possibility of the oil splashing onto the exhaust only while driving. Then in this case...
Question
Starter problems
Hi There, If the car starts up after disconnecting and then reconnecting the terminal, then your starter should be fine. It sounds like you may just need to clean the battery terminals thoroughly. This is actually a very common and...
Question
I had my key on and I pulled off the fuel line at the fuel pump gas came out got on the power plug now can't hear the fuel pump w
Hello, thank you for writing in. The fuel pump likely has been shorted out due to the moisture. At this point you will need to replace the fuel pump, and possibly the fuel pump fuse/relay. With that being said, you...
Question
The Battery Light is on and the lights and power mirrors are not working - 2002 Mercedes-Benz C320
Hi. If the Battery Light is on, this an indication that either the battery is bad, the alternator is not charging properly, or both of them are bad. Low battery voltage will cause the car to do abnormal things like...
Question
Replaced power steering pump and still have a hard steering.
Hi there. There is a PML valve that is on the rack and pinion steering on your vehicle. Check to see if the valve is working. The PML valve is is the speed sensitive steering valve for the steering system....
Question
Front driver side tire moves side to side when jacked up
If you can move the tire in and out when on a jack then you may have a few different possible problems. The inner or outer tie rod ends may be worn. Your steering gear may also have worn bushings....
Question
Fires but stalls out
The stalling is probably due to a failing electrical component such as a relay, a sensor failure, or a large vacuum leak. A certified Mechanic from YourMechanic can perform an engine stalling diagnostic to identify the cause. Typically, the fault...
Question
My trunk won't shut due to break in attempt
The lock mechanism, and possibly the point of attachment, is probably distorted or otherwise broken. If it's a replaceable part(s), such as the striker plate, latch, and so forth, it is readily resolvable with either new or used OEM parts....

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