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SLK280

Hi there. Yes, a low refrigerant charge in the a/c system (https://www.yourmechanic.com/services/ac-recharge) can cause the a/c compressor to make noise. The R-134a refrigerant is what carries the PAG oil throughout the a/c system. A low system charge, results in a...

Blue smoke usually indicates oil getting into the combustion process - not a good thing. If you had your oil changed the day before, check the oil level to make sure it wasn't over-filled. If you car is accumulating some...

You'll need to check the coolant level before driving further. I would also have the mechanic check for a blown head gasket (which would cause the uneven running), and to make sure nothing under the vehicle is dragging. It is...

Hi there. There are a few possibilities here. It is possible that you had a valve timing issue prior to working on the manifold. These engines have a ton of issues with the balance shaft and the valve timing as...

Hey there. This sounds like the starter (https://www.yourmechanic.com/services/starter-replacement) or starter solenoid has failed. Given that jumping the battery does not work, it is more likely the starter solenoid. Have a professional mechanic, like one from YourMechanic, diagnose the starting problem...

Your model Mercedes uses an electronic controller called SAM (signal acquisition module) to actually supply power to many electrical components. There are multiple SAMs in your vehicle and one of these is not working properly. A professional mechanic with specific...