Nissens 891711 A/C Compressor

Nissens 891711 A/C Compressor for Mercedes-Benz

The Nissens 891711 A/C compressor is built to OE standards for dependable air conditioning performance in select Mercedes-Benz applications. It is engineered for smooth pumping action, low noise, and reduced vibration, with critical components designed for durability under demanding operating conditions.

Key Features

• OE-standard A/C compressor from Nissens
• Fits R134A refrigerant systems
• Pre-filled with shipping oil only; drain and refill before installation
• Uses PAG 46 refrigerant oil
• 6SEU16C compressor type with serpentine belt drive
• 12-volt unit with clutch included
• 6-groove pulley, 4.33 in. outside pulley diameter
• Includes O-rings; 2-pin connector

Detailed Description

Built for Mercedes-Benz E-Class applications, this Nissens 891711 compressor is a direct-fit replacement for vehicles using an R134A system and PAG 46 oil. The compressor design focuses on the pulley, clutch, hub, bearing, and wobble plate to support consistent refrigerant pumping, controlled noise levels, and stable operation. This part cross-references Global Parts Distributors LLC 4711440 for the same application.

Compatible With 2011 Mercedes-Benz E250, 2010-2011 Mercedes-Benz E500, 2010-2011 Mercedes-Benz E550, and 2010 Mercedes-Benz E300. The Nissens 891711 is also referenced by OE-style numbers 0022303811 and CO11788RZ.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Noisy compressor operation
• Compressor seizure or internal wear
• Refrigerant circulation problems
• Air conditioning performance loss in Mercedes-Benz E250, E300, E500, and E550 models

Installation Notes and Tips

Drain the shipping oil and refill the compressor with the correct PAG 46 oil before installation. Verify the vehicle uses R134A refrigerant, confirm connector and pulley specifications, and replace the included O-rings during service. Always inspect the A/C system for contamination, leaks, and proper evacuation before charging.

Quality Assurance

Nissens manufactures this compressor to OE standards and tests it for performance under high-stress conditions. The brand’s component-level design approach supports consistent operation and long-term durability in service.