Mercedes Benz

120615 A/C - Howl, Rattle Noise From Engine Compartment Howling, rattling noise from engine compartment Topic number L183.55-P-053465 Version 2 Design Group 83.55 A/C compressor Date 06-15-2012 Validity Model series 204 and 207 with Valeo refrigerant compressor Reason for change Model Validity Changed Complaint: 1. Howling noise from engine compartment. 2. Rattling noise from engine compartment. Attachments Cause: Mercedes-Benz A220 2020 Page 42 1. Wear of rubber damper on Valeo refrigerant compressor. 2. Wear of bearing of belt pulley on refrigerant compressor. Remedy: Replacement of belt pulley on refrigerant compressor, see WIS document AR 83.55-P-7685C. Pay attention to the correct type of refrigerant compressor (Valeo, see picture) and the associated belt pulley diameter (110 mm or 120 mm). Symptoms Parts Work units Attachment Defect free rubber damper/Valeo refrigerant compressor Mercedes-Benz A220 2020 Page 43

The battery is sufficiently charged when the charging current reading is 120615 A/C - Howl, Rattle Noise From Engine Compartment Howling, rattling noise from engine compartment Topic number L183.55-P-053465 Version 2 Design Group 83.55 A/C compressor Date 06-15-2012 Validity Model series 204 and 207 with Valeo refrigerant compressor Reason for change Model Validity Changed Complaint: 1. Howling noise from engine compartment. 2. Rattling noise from engine compartment. Attachments Cause: 1. Wear of rubber damper on Valeo refrigerant compressor. 2. Wear of bearing of belt pulley on refrigerant compressor. Remedy: Replacement of belt pulley on refrigerant compressor, see WIS document AR 83.55-P-7685C. Pay attention to the correct type of refrigerant compressor (Valeo, see picture) and the associated belt pulley diameter (110 mm or 120 mm). Symptoms 2010 Mercedes Benz C 250 4MATIC (204.085) (CAN) V6-2.5L (272.911) Page 8 Parts Work units Attachment Defect free rubber damper/Valeo refriger...

The battery is sufficiently charged when the charging current reading is 120615 A/C - Howl, Rattle Noise From Engine Compartment Howling, rattling noise from engine compartment Topic number L183.55-P-053465 Version 2 Design Group 83.55 A/C compressor Date 06-15-2012 Validity Model series 204 and 207 with Valeo refrigerant compressor Reason for change Model Validity Changed Complaint: 1. Howling noise from engine compartment. 2. Rattling noise from engine compartment. Attachments Cause: 1. Wear of rubber damper on Valeo refrigerant compressor. 2. Wear of bearing of belt pulley on refrigerant compressor. Remedy: Replacement of belt pulley on refrigerant compressor, see WIS document AR 83.55-P-7685C. Pay attention to the correct type of refrigerant compressor (Valeo, see picture) and the associated belt pulley diameter (110 mm or 120 mm). Symptoms Page 8 Parts Work units Attachment Defect free rubber damper/Valeo refrigerant compressor