Q: Transmission

When your vehicle eclipses 15 mph, all of the doors will automatically lock. If you want to disable the automatic door locks, you will need to take your car to a dealer, and they will disable the automatic locks for...

To turn on the air conditioning, press the A/C button on the climate controls. The air conditioning will only come on if fan is on, the temperature is not below freezing, and the AUTO button has not been pressed.

This is most likely coolant leaking. There is a coolant outlet housing at the rear of the engine in the at the top of the block in the V. This is a possible area for the leak. A cooling system...

Hello. Both codes indicate a circuit failure, and I suspect that the connectors were not properly reconnected after changing the valve cover gasket. These codes are not likely actual part failures. It is a very tight squeeze to get in...

Hello. This code is indicating that your car’s thermostat is not working properly. Your thermostat needs to be replaced and engine lights needs to be reset. Your car will also need to be test driven. Spark plugs are also recommended...

I always recommend allowing the car to run until warm in cold or hot conditions. I wait for the engine to run until the idle hits the base idle speed (around 700-800 RPM) before driving it. This allows the oil...

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 climate...

If the brakes feel mushy after sitting for a long period then you may have some moisture or air in the brake system. You should have the brake pads checked and serviced as needed if they are worn. You may...

Hi there. Assuming, you are testing the TPS (throttle position sensor) connector while disconnected, the described parameters could be considered normal. Some ECM (engine control module) signal voltages default to near 5vts, sensor open. If you are back-probing the connector...