STOP! YOUR PART# MUST MATCH THE REPLACEMENT MODULE! STOP! YOUR PART# MUST MATCH THE REPLACEMENT MODULE! IMPORTANT INFORMATION Most control modules store immobilizer/anti-theft/VIN/variant-coding data. Installing a used module that is not matched/coded to your vehicle may prevent the car from starting or cause malfunctions. PROGRAMMING / CODING REQUIRED: All replacement modules require programming/coding/adaptation by a qualified technician with proper tools (dealer-level or equivalent). Please confirm BEFORE purchase that your shop can program/code this module to your vehicle. Identifiers: 2012 C220 W204 Late Model Cruise Control Module / A 212 900 58 12 / Used / Not Testable / Tested Before Disassembly, VIN: WDDGF0CB4CA720447