Four Seasons A/C Compressor P/N:178326
Four Seasons 158359 A/C compressor for the 2017 Mercedes-Benz CLS400 and other vehicles circulates refrigerant through the air conditioning system. This Four Seasons AC compressor is a new Denso 6SEU16C unit with specifications at or above OE level.
Warm air from the vents, a rattling or grinding noise from the compressor, or a clutch that does not engage can all mean the compressor is wearing out. These signs alone do not prove the compressor is at fault; a refrigerant leak elsewhere in the system is another common cause.
The vehicles it fits include the 2017 Mercedes-Benz CLS400, the 2010-2012 Mercedes-Benz GLK350 and the 2005-2011 Mercedes-Benz SLK350. The 2017 Mercedes-Benz CLS400 takes one compressor. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
One A/C compressor with clutch, one O-ring 24670, one O-ring 24635 and sealing washers. Mounting hardware and a switch are not included, so plan on new mounting bolts; the old ones may not be reusable.
Is Four Seasons 158359 right for the 2010-2012 Mercedes-Benz GLK350?
Yes. Four Seasons 158359 is listed for the 2010-2012 Mercedes-Benz GLK350, and the car takes one. Open the "Vehicles it fits" section to check other models and engines.
Does the Four Seasons 158359 include the clutch and O-rings?
Yes. Four Seasons 158359 includes the clutch plus the O-rings and sealing washers needed to install it. Mounting hardware and a switch are not included.
Is this Four Seasons compressor pre-charged with oil?
Yes. It comes pre-charged with 3 ounces of PAG oil, and the compatible refrigerant oil type is PAG 46. It works with R134a or R1234yf systems.
Can a rattling or grinding noise from the A/C compressor mean it is wearing out?
Yes, it can, and so can a clutch that no longer engages. A shop can pressure-test the system to see what is failing.
Which manifold does this A/C compressor use?
It may require the OE manifold. The ECV harness connector is SE05F on the compressor and SE22M on the vehicle.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.