Atlantic Automotive Enterprises RES-0040 Power Steering Reservoir

Power Steering Reservoir for Mercedes-Benz

The Atlantic Automotive Enterprises RES-0040 is an application-specific power steering reservoir built as a direct replacement for the original hydraulic fluid tank. It includes the reservoir and reservoir cap, making it a straightforward service part for Mercedes-Benz steering system repairs.

Key Features

• Direct replacement that fits and functions like the original equipment reservoir
• Complete assembly includes the reservoir and reservoir cap
• Recommended when servicing a failed steering pump or rack to help prevent debris from entering replacement components
• Helps reduce air intrusion that can cause steering noise and premature component failure
• Helps maintain proper hydraulic fluid flow in the power steering system
• Part number RES-0040 for easy identification

Detailed Description

AAE RES-0040 is a hydraulic steering fluid reservoir for select Mercedes-Benz applications, including CLS550, ML350, ML450, R350, CL550, E550, S450, and S550 models. It is built as an OE-style replacement for the factory reservoir and is intended for vehicles that require a cap-equipped reservoir assembly. This part cross-references Genuine 0004602583 for the same application. When replacing a steering pump or rack, changing the reservoir and flushing the power steering system helps remove contamination that can shorten the life of new components.

Common Problems This Part Can Address

• Cracked or damaged power steering reservoir housing
• Air entering the hydraulic system and creating steering noise
• Restricted fluid flow caused by a failing reservoir
• Debris contamination after steering pump or rack service
• Premature wear of steering components from contaminated fluid

Installation Notes and Tips

• Replace the reservoir whenever the steering pump or rack is serviced.
• Flush the power steering system before installing the new reservoir.
• Verify cap-equipped application details before ordering.
• Confirm vehicle-specific fitment for Mercedes-Benz CLS550, ML350, ML450, R350, CL550, E550, S450, and S550 models.
• Part number RES-0040 should be matched to the vehicle’s original reservoir configuration.

Quality Assurance

Atlantic Automotive Enterprises RES-0040 is backed by a 24-month or 24,000-mile warranty. It is a direct replacement reservoir for select Mercedes-Benz power steering systems and is intended to restore proper hydraulic fluid containment and flow.