Malfunctions in the engine, transmission, fuel line, and exhaust system are solely responsible for the appearance of a rotten egg-like smell within the cabin of your Mercedes-Benz. The emergence of such kinds of warning signs should never be neglected. Malfunctions within the system responsible for the appearance of such kinds of unusual odor should be repaired as early as possible. This graphical presentation might be useful for you to get a broad awareness in this regard.