+18 2015 Ml350 Yellow Check Engine Light Ideas. There are many causes for a check engine light to come on, including a problem with the fuel system, the exhaust system, the fuel injection system, the ignition system, or the engine management system. Took the car to two different mechanics that couldn't read the code (none came up in the memory).
It can be alarming seeing an engine warning appear on your dashboard, especially if you've never seen it before. It doesn't stay on for a long period, but the car does shake very lightly before it goes off. Repairpal will help you figure out whether it's your emissions system, sensor, catalytic converter, or something else.
