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C250

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Question
hi how long should my brake calipers last?? based on other mercs etc
Brake calipers, associated torque plates and sliding pins should all be thoroughly cleaned and rebuilt every time you have to change the brake pads. These parts are subject to corrosion, brake grit, dust and dirt, and extremely high heat. If...
Question
The AC smells like fertilizer.
It sounds like you have mold or mildew in the system. The most likely place for it to grow is on the evaporator itself. That component gets very cold and humidity forms condensation on it. That moisture along with heat...
Question
two front wheel speed sensor died
As long as the light is out and does not come back on, then the system is working as it should. The problem with the sensors may be an intermittent problem in the sensors or the wires going to the...
Question
Q: Wheels alignment
Hello. I'll be glad to help you with this. On a straightaway, at speed, with no significant crown on the road, if the car is properly aligned, you should be able to remove your hands from the wheel and the...
Question
car not sounding and running properly
Most likely the loss of power after your oil change is just a coincidence. It is possible they checked your air filter and disconnected a sensor on accident. If this is the case, there should be a Check Engine Light...
Question
Q: Cam shaft position sensor
Hi there. The camshaft position sensors are located on the front of your engine on the top under the engine cover. I usually do a complete inspection before replacing these because there are a number of reasons as to why...
Question
Squeak / Grinding Sound only when moving 2013 Mercedes C250
Hi there - thanks for providing a sound sample! Noises are probably the hardest thing to diagnose, even when you can capture a recording like this. I suspect either the brake pad wear warning tab, or the driveshaft center bearing...
Question
Replace key battery message on Mercedes won't go off
It is possible that the key fob battery warning light has to be reset manually and does not go off automatically when the batteries are replaced. I would recommend looking through your owners manual to see if there is a...
Question
My Check Engine Light is on - 2012 Mercedes-Benz C250
There are a variety of reasons the check engine light may come on. Unfortunately, this generally requires hooking the car up to a scanning tool to download any potential faulty codes in the computer that may indicate more specifically what...
Question
C250 50k, just changed timing chain tensioner, still chatters for on second on cold start
Hello. For most vehicles it could actually be considered normal to hear a little bit of chattering when the vehicle is first started. This is due to the engine needing a brief period of time for the oiling system to...
Question
Q: Camshaft Sensor Replacement
Hello, thank you for writing in. When looking at the engine you will see the two different banks of the engine. These are the heads, and inside the heads you find the camshafts. To track the camshaft's location for timing...
Question
Engine Light comes on and car wont accelerate
What you are describing sounds like a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake as it is mixed with fuel prior to being injected into the motor. This sensor relays vital information...
Question
I also have the 2012 Mercedes-Benz C250 Turbo charged m271 engine it rattles when I first started looking to replace the cam phase
You should first have the computer system tested so the noise can be completely diagnosed to find the cause of cold start rattling noise. You may just need to replace cam phaser or timing chain and guides with the phasers....
Question
Car just came from Mercedes-Benz they gave me a fault code P0340 62 they want to remove the valve cover and check for the camshaft
If your car was used under normal service, it does not have enough miles for the timing chain or gears to have worn out and caused the problem you are describing. Furthermore, the fault code that you are referring to...
Question
I have a restraint system malfunction visit workshop message popping up on my mercedes c class 2011, I jump started a car with my
The dead battery may have caused the fault or faults, to be set. Has the battery been replaced ? If so and the system is ok, then the fault may clear itself after a couple of ignition cycles - starting,...
Question
My car inadvertently got coolant into the engine through a broken seal and . 1.5 gallons. What is the worst i can expect to happen
Hello, and thank you for writing in. With such dramatic failures and so many opinions, it is easy to become confused and worried. Checking the oil at this point will not tell you much. Any metal shavings that have come...
Question
My 2013 Mercedes benz c250 ac won't work, it blows hot air and the ac button light flashes red three times and then turns of
Hello. On this vehicle for it to be acting up like this it typically means that there is a programming issue with the HVAC unit. It is also possible that the system has a small leak if it has been...
Question
Car will not turnover. Just one click when the key is turned. All electronics (radio, lights, etc.) are working.
Hi There, Generally, when turning the key produces one single click sound, this often times indicates you may have a faulty starter solenoid. A faulty starter solenoid will generally produce a clicking sound when turning the key. The starter solenoid...
Question
i am getting fault code P001477. How far/long can i drive without causing any damage to the engine.
Unfortunately, there is no way to determine specifically how long mechanical failures like this may last before failing entirely. As you know, code P001477 is related to the camshaft adjuster solenoid. When this is not functioning properly, this will cause...

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