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C300

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Question
Coolant thermostat sensor 2008 c300 benz
Your temperature sensor is going to be located behind the engine on the driver side. You will need to remove the engine cover and you will need a torx bit (30) to remove the sensor. You can find the info...
Question
My car cranks but will cut off shorts after starting up. If i start it up again, it will crank but runs and tries to cut off. 2009 Mercedes Benz C300
Hello. Many different faults will cause your 2009 Mercedes C300 to cut off after starting. The most common would be a fuel pump, fuel filter, battery, alternator, battery cable, crank sensor, or camshaft position sensor. All of these can cause...
Question
Battery is drained in the morning - 2010 Mercedes-Benz C300
Hello. You have either a faulty battery (a load test on battery can easily determine status of battery), faulty charging system, and/or a substantial phantom load (parasitic power draw) that is discharging the battery while the vehicle is turned off....
Question
Broken gas gauge
Mercedes has discovered a problem that will cause the gas gauge to be inoperative. Other symptoms include an inoperative remote for central locking, and “turn signals inoperative” message. The fix is to reprogram the rear SAM module. Only the dealer...
Question
Driver's side seat heater not working
If the driver's side heater is not working, but the passenger's side heater is, then that may be a sign of a problem with the driver's side blend door actuator. The blend door actuator is the electric motor that is...
Question
Are there 2 camshaft positioning sensors to replace on this car
You actually have four camshaft sensors. Two on each head and one for each camshaft. There is likely a deeper issue that should be diagnosed. 1208 is "Constant adjustment of intake camshaft or right cylinder bank in direction retarded."...
Question
Check engine light on
The code P0442 is for a very small leak in the evaporative system of the fuel tank and its vent system. A leak in the gas cap is the most common cause of this code and the gas cap or...
Question
Do I have to reset any settings after changing battery and does the hose on the side of factory battery need to be re connected.v
Yes. You will need to reset your settings. Usually the dealer can do it free of charge but no promises. If you take a battery off and put a new one on, if there was anything hooked up the the...
Question
I hit an animal recently, it cracked my bumper. Is it any way related to suspension damage?
An impact from hitting the animal can do damage that's not obvious at first. Damage can occur to the frame, mess up your alignment, and a variety of other issues. You will want to examine the area that was hit....
Question
At what mm MUST I replace rear brakes?
Hello, thanks for your question. I would consider 3 mm to be the thickness that I would recommend for replacing the brakes. Some vehicles start out thinner than other vehicles, but under 3 mm is what most mechanics would consider...
Question
Passenger air bag 2 off
Hi, thanks for writing in. This light is designed to come on when the passenger side air bag is off when the passenger seat is empty. If this stays off when there is a passenger in the seat, this is...
Question
Car is shaking while idling and leaking coolant
From what you have described it sounds like a coil or spark plug fault causing a misfire. With the coolant leak, the most common cause would be a coolant hose or the radiator leaking. The two may be caused by...
Question
Replacing halogen headlights with xenon or LED
The halogen headlights only require that they are plugged into the the proper socket to work. LED or xenon headlights would not work as they would require heavily modifying the lighting system. LED lights draw much less power than...
Question
From right SRS malnunction service don't know what Can't be the issues the seat belt or air bag wen put my hands in the seat
Hello. The SRS light comes on when the computer detects an issue with the airbag system. It may be possible that a sensor or component of the airbag system may have malfunctioned and set the light off. Usually this will...
Question
How to fix an oil leak?
The proper way to repair an oil leak would depend on where the engine is leaking from. Common leak sources include the valve cover gaskets, oil pan gasket, rear main seal, intake manifold gasket, oil filter, and drain plug. The...
Question
Vehicle won't start
There may be a main power circuit down on your car. The steering lock is electrically disengaged on your car as is the shift lock. One of the B positive terminals on your ignition switch is probably dead. There are...
Question
Should I buy this car ?
Hi there. The wear and tear could be cause by hand lotion, sanitizer, etc.. Many of the chemicals that we put on our hands gets transferred to the components we touch, including our faces, ewww. As for whether you should...
Question
car won't start
When the solenoid is energized, the pinion gear is forced out by a plunger or lever to mesh with the ring gear. If the starter motor is spinning, freely, without the pinion gear engaging the flywheel, then something is wrong...
Question
I switched my steering lock and now my key won't work on my car. What should I do?
Whenever the keys or ignition lock are replaced on Mercedes models equipped with the smart key, the dealership must reprogram the ignition and keys together. Unfortunately, the vehicle may have to be towed to your local Mercedes dealership along with...
Question
Car won't start but the electrical stuff is working
A no-start or start-then-stalls issue can be caused by a couple of different things. A bad smart key can be one of them. Use the second smart key provided with the vehicle to try starting the vehicle. If it starts,...

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