2003-2006 Mercedes-Benz ECM ECU Engine Computer OEM 1121535479 C-Class CLK E-Class

🔧 Part #: 590-59801B
📦 Stock #: CC1383

Genuine OEM Mercedes-Benz Engine Control Module (ECM/ECU) removed from a compatible Mercedes-Benz vehicle. This factory engine computer has been professionally inspected and tested prior to removal to ensure proper functionality. It is an original Mercedes-Benz OEM component and is ready for installation.

Vehicle Fitment

Mercedes-Benz C-Class (W203)

• 2003 C32 AMG – ID 1121535479
• 2003-2005 C240 – ID 1121535479
• 2003-2005 C320 – ID 1121535479

Mercedes-Benz CLK-Class (C209/A209)

• 2004-2005 CLK320 Convertible – ID 1121535479
• 2004-2005 CLK320 Coupe – ID 1121535479
• 2006 CLK350 – ID 1121535479

Mercedes-Benz E-Class (W211)

• 2003 E320 Sedan – ID 1121535479
• 2004 E320 – ID 1121535479
• 2005 E320 Gasoline (Non-CDI) – ID 1121535479
• 2005 E500 – ID 1121535479

OEM Part Number

• 1121535479

Interchange / ID Number

• 1121535479

Features

• Genuine Mercedes-Benz OEM Engine Control Module
• Factory tested and inspected before removal
• Clean and ready for installation
• Direct OEM replacement when part numbers match

Important Information

• Please verify your original part number matches 1121535479 before purchasing.
• Dealer or professional programming may be required at the time of installation.
• VIN coding, immobilizer adaptation, and module configuration may be necessary.
• Professional installation is strongly recommended.

Package Includes

• 1 × Genuine OEM Engine Control Module (ECM/ECU) – Part #1121535479

Need help confirming compatibility? Send us your VIN and original part number, and we'll be happy to verify fitment before you purchase.