Nissens 891709 A/C Compressor

Nissens A/C Compressor for Mercedes-Benz and INFINITI

Nissens 891709 is an OE-standard A/C compressor built for vehicles that demand stable cooling performance under high load. It is engineered for low noise, reduced vibration, and consistent refrigerant pumping in Mercedes-Benz and INFINITI applications.

Compatible with R134A systems and filled with shipping oil only, this compressor must be drained and refilled with the correct PAG 46 oil before installation. It is a direct-fit option for select Mercedes-Benz E-Class, CLS, GLK, ML, and SL models, plus INFINITI Q50 and Q60 applications.

Key Features

• OE-standard compressor construction from Nissens
• Designed for R134A refrigerant systems
• Uses PAG 46 refrigerant oil
• Oil filled: yes, with shipping oil only
• 6-groove serpentine pulley design
• Clutch included for simplified replacement
• 12-volt electrical system with 3-pin connector
• 2 O-rings included and O-ring quantity specified for the connection points
• Compressor type 6SBU16C

Detailed Description

Nissens 891709 is built to OE standards with attention to the compressor’s critical moving parts, including the pulley, clutch, hub, bearing, and wobble plate. That design focus supports efficient pumping, controlled noise levels, and dependable operation in demanding HVAC systems. This part cross-references UAC CO11497C for the same application.

Fits 2017-2020 Mercedes-Benz SL450, 2016-2019 INFINITI Q50, 2017-2018 INFINITI Q60, 2015-2018 Mercedes-Benz CLS400, 2018 Mercedes-Benz CLS500, 2018 Mercedes-Benz CLS550, 2018 Mercedes-Benz CLS63 AMG S, 2015-2017 Mercedes-Benz E400, 2017 Mercedes-Benz E43 AMG, 2016 Mercedes-Benz E200, 2014 Mercedes-Benz E200, 2014-2016 Mercedes-Benz E250, 2015-2016 Mercedes-Benz E300, 2014-2016 Mercedes-Benz E350, 2015-2016 Mercedes-Benz SL400, 2015 Mercedes-Benz GL450, 2013-2015 Mercedes-Benz GLK250, 2014-2015 Mercedes-Benz GLK350, 2015 Mercedes-Benz ML250, 2014-2015 Mercedes-Benz ML350, 2015 Mercedes-Benz ML400, 2015 Mercedes-Benz ML500, 2015 Mercedes-Benz ML550, and 2015 Mercedes-Benz ML63 AMG.

What It Helps Address

• Weak or inconsistent cabin cooling
• Noisy compressor operation
• Excessive vibration from a worn A/C compressor
• Loss of refrigerant pumping efficiency
• Failure of the compressor clutch or internal rotating components

Installation Notes and Tips

Drain the shipping oil before installation and refill the system with the correct PAG 46 oil amount for the vehicle. Verify R134A system compatibility, inspect the belt drive and connector before installation, and replace the included O-rings at the refrigerant line connections. Confirm the compressor type, pulley groove count, and connector pin count against the original unit before final assembly.

Quality Assurance

Nissens manufactures this compressor to OE standards and tests it for performance under high-stress operating conditions. The part number 891709 is built for consistent fitment and dependable HVAC service in supported Mercedes-Benz and INFINITI applications.