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Where is the battery on Mercedes 2011 C300 and how to jump start it?
Hi,The main battery can be fitted in one of 2 locations. Either in the trunk on the right hand side or, in the rear of the engine bay on the passenger side under the intake for the heater system which unclips & can be removed.If you can see a small battery under a cover in the trunk then this is the additional battery for eco stop/start vehicles & your main battery will be in the engine bay as described.However for jump starting you should use the jump points in the engine bay. Click here for details of the jump points: Jump pointsBest regards