Nissens 890749 A/C Compressor

Nissens A/C Compressor for Mercedes-Benz

The Nissens 890749 A/C compressor is built to OE standards for Mercedes-Benz HVAC systems that need reliable cooling performance under demanding conditions. It is engineered for low noise, reduced vibration, and consistent pumping efficiency in applications such as Mercedes-Benz GLC43 AMG, C43 AMG, Sprinter, E-Class, GLE, GLS, S-Class, and Metris models.

• OE-style A/C compressor from Nissens
• Compressor type: 7SAS17C piston design
• Refrigerant support: R134A and R1234YF
• Compatible refrigerant oil: PAG 46 YF
• 12V electrical system
• Serpentine belt pulley with 6 grooves
• Clutch included
• O-ring seal included
• Oil filled for service preparation
• 171 cc capacity with 4.33 in outside pulley diameter

OE-Style Cooling Performance

Part number 890749 is designed for Mercedes-Benz vehicles that require a piston-style A/C compressor with OE-level fit and function. Nissens focuses on the compressor’s critical moving parts, including the pulley, clutch, hub, bearing, and wobble plate, to support stable operation, controlled noise, and durable performance in high-load HVAC use. This part cross-references Global Parts Distributors LLC 6513345 for the same application.

Used To Address Common A/C Problems

• Loss of cabin cooling from compressor wear or internal failure
• Excessive A/C noise from pulley, bearing, or clutch issues
• Vibration or uneven compressor operation
• Reduced refrigerant circulation in Mercedes-Benz HVAC systems
• Service replacement for a failed OE-style compressor

Fitment and Installation Notes

• Fits 2017-2022 Mercedes-Benz GLC43 AMG, N/A
• Fits 2020-2021 Mercedes-Benz C43 AMG, N/A
• Fits 2020-2021 Mercedes-Benz Sprinter 2500, N/A
• Fits 2020-2021 Mercedes-Benz Sprinter 3500, N/A
• Fits 2020-2021 Mercedes-Benz Sprinter 3500XD, N/A
• Fits 2019-2020 Mercedes-Benz E450, N/A
• Fits 2016-2020 Mercedes-Benz Metris, N/A
• Fits 2019 Mercedes-Benz GLE400, N/A
• Fits 2016-2017 Mercedes-Benz GLE400, N/A
• Fits 2017-2019 Mercedes-Benz GLS450, N/A
• Fits 2017-2019 Mercedes-Benz GLS550, N/A
• Fits 2018 Mercedes-Benz E400, N/A
• Fits 2017-2018 Mercedes-Benz E43 AMG, N/A
• Fits 2016-2018 Mercedes-Benz GLE350, N/A
• Fits 2016-2017 Mercedes-Benz GLE300d, N/A
• Fits 2017 Mercedes-Benz Maybach S550, N/A
• Fits 2016-2017 Mercedes-Benz S550, N/A
• Fits 2016-2017 Mercedes-Benz S63 AMG, N/A
• Fits 2017 Mercedes-Benz S65 AMG, N/A
• Fits 2016 Mercedes-Benz C450 AMG, N/A
• Fits 2016 Mercedes-Benz GL450, N/A
• Fits 2016 Mercedes-Benz GL550, N/A
• Fits 2016 Mercedes-Benz GLE450 AMG, N/A
• Fits 2015 Mercedes-Benz C400, N/A

Before installation, drain the shipping oil and refill the compressor with the correct PAG 46 YF oil amount for the vehicle system. Verify refrigerant type, belt alignment, pulley groove count, and connector fitment before charging the system. Replace the included O-rings during service and inspect the condenser, expansion device, and lines for contamination after compressor failure.

Quality Assurance

Nissens manufactures this compressor to OE standards and tests it for performance under high-stress operating conditions. The design emphasis on the pulley, clutch, hub, bearing, and wobble plate supports consistent operation in Mercedes-Benz applications such as the GLC43 AMG, C43 AMG, and Sprinter platforms. Part number 890749 is built for service replacement where OE-style fit, refrigerant compatibility, and dependable HVAC output are required.