Q: Parts for the Mercedes

Hi, thanks for writing in. I would start with checking things such as the O2 sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-oxygen-sensor) and mass airflow sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-mass-airflow-sensor). You should have a check engine light (https://www.yourmechanic.com/article/what-does-the-check-engine-warning-light-mean) on which should have registered some fault codes in the...

Hi, thanks for writing in. Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the...

Hello. It sounds like the vehicles battery may be completely dead or shorted internally. If it is making only one click then it can also be a failure in the starter or the battery cables themselves. I typically test for...

Hey there. In the context of engines, interference timing refers to the use of a timing belt rather than a chain (https://www.yourmechanic.com/article/what-is-the-difference-between-a-timing-belt-and-a-timing-chain), such that when this belt breaks, the camshaft and other internal parts (like valves) will cause major damage...

Hi and thanks for contacting YourMechanic. If there is a crack in the exhaust manifold, there will be a tick noise or a smell of exhaust emission under the car. For the jerking motion, that would have to do with...

Hi there. If the security is on and you are not able to shut it off, then there could be a faulty key transponder, security control module, faulty key fob, or the key cylinder has failed. The ECM (computer to...

Hi there. Depending on your state that you live in and the emissions requirements, removing the muffler may cause your vehicle to fail emissions. Plus, on a newer vehicle that has a manufactures warranty, removing the muffler completely can void...

Hi There, You may want to double check the ground connection to the chassis of the truck. As you may know, the ground wire connects the vehicle battery to the metal chassis, completing a circuit. Without the ground wire, the...

It is very possible that your electric cooling fans are beginning to fail. The electric cooling fans are intended to keep the engine cool while it is idling and at a stop. When the vehicle is being driven at higher...