Mercury - MSC 4000 Side-Mount Remote Control 8M0178530. The Mercury MSC 4000 side-mount remote control is a clean, dependable choice for manual-start outboards when you want simple throttle and shift control at the helm. Built for compact consoles and small-boat rigs, it delivers smooth lever action and a comfortable soft-grip handle for confident control underway and around the dock. It can be mounted on port or starboard to match your layout.. Key Features. Manual-Start Application - Designed for manual-start outboard models. Port or Starboard Mounting - Flexible installation for different console setups. Soft-Grip Handle - Comfortable feel for everyday operation. Control Only - Does not include switches or harness. Cable Requirement - Requires Generation I (Gen I) control cables for proper connection. Engine & Boat Compatibility. Mercury / Mariner 4 hp. Mercury / Mariner 5 hp. Fits select Mercury and Mariner 2-cylinder outboards from 8 hp to 55 hp. Important Notes. Switches and harn