Where is the ac recharge port on a 2001 Mercedes Benz s600?

On a 2001 Mercedes-Benz S600, the AC recharge port is located in the engine compartment. You can find the low-pressure service port on the larger refrigerant line, typically near the driver’s side of the engine bay. It is covered with a plastic cap, which can be removed for access. Always ensure the engine is off and take necessary precautions when handling refrigerant.