Four Seasons 158505 A/C Compressor

Reliable A/C Compressor for Mercedes-Benz GLA35 AMG and GLB Models

The Four Seasons New Compressor 158505 is engineered to restore efficient air conditioning performance in select Mercedes-Benz vehicles. Designed specifically for the GLA35 AMG, GLB35 AMG, and GLB250 models, this A/C compressor ensures compatibility and reliable operation with R134a refrigerant systems.

• Compatible refrigerant type: R134a
• Includes oil filled with PAG 100 compatible refrigerant oil
• Equipped with an 8-groove serpentine pulley
• Packard terminal type with 12V coil voltage and 1 wire lead coil clock position
• Includes clutch with a maximum diameter of 5.5 inches
• Tangent mount type with a mounting distance of 36.322 mm
• Compressor type: SD7H15 with GHL compressor head and top horizontal pad sealing washer configuration
• Sealing washer type discharge and suction ports with included O-rings (quantity 2, slimline washer style)

About the Four Seasons New Compressor Line

The Four Seasons New Compressor product line offers brand-new, direct replacement A/C compressors designed to meet or exceed OEM specifications. The New Compressor 158505 is part of this line, providing a fresh, fully assembled compressor unit that includes the clutch and oil, eliminating the need for additional components during installation. This line focuses on delivering reliable performance and compatibility for specific vehicle applications, such as the Mercedes-Benz GLA35 AMG and GLB series.

Detailed Product Description

This Four Seasons A/C compressor 158505 is designed for vehicles using R134a refrigerant and is pre-filled with PAG 100 oil to ensure proper lubrication and long service life. The compressor features an 8-groove serpentine pulley with a 5.5-inch diameter, matching the OEM specifications for smooth belt operation. The clutch assembly is included, featuring a 5.5-inch maximum diameter and Packard terminal type for secure electrical connections. The compressor uses a tangent mount with a precise 36.322 mm mounting distance, ensuring proper fitment in the engine bay. The SD7H15 compressor type with a GHL head and top horizontal pad sealing washer configuration supports efficient refrigerant flow and sealing. Both discharge and suction ports utilize sealing washers, and two slimline O-rings are included to maintain system integrity.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Mercedes-Benz GLA35 AMG, GLB35 AMG, and GLB250 models
• Replaces worn or failed compressors causing insufficient cooling or compressor noise
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks due to damaged seals or O-rings
• Eliminates compressor failure from oil contamination or lack of lubrication

Installation Notes and Tips

Ensure the vehicle’s A/C system is properly evacuated and flushed before installing the new compressor. Verify compatibility with the Mercedes-Benz GLA35 AMG, GLB35 AMG, or GLB250 model year and engine specifications. Use the included O-rings and sealing washers to prevent leaks. Note that mounting hardware is not included and must be reused or sourced separately. Confirm electrical connections match the Packard terminal type and 12V coil voltage. Proper belt tension on the 8-groove serpentine pulley is essential for optimal compressor operation.

Quality Assurance and Warranty

The Four Seasons New Compressor 158505 is a new, direct replacement part manufactured to meet industry standards for durability and performance. It includes pre-filled oil and clutch assembly to simplify installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.