Description
CGDI MB AC Adapter – Fast OBD Data Collection for Mercedes-Benz (W164, W204, W221, W209, W246, W251, W166)
The CGDI MB AC Adapter is a powerful add-on for the CGDI MB Benz Key Programmer, allowing you to quickly collect EIS data via OBD without dismantling or plugging/unplugging cables. It greatly reduces data acquisition time for Mercedes-Benz W164, W204, W221, W209, W246, W251, W166, and more.
✅ Highlights
-
Quick OBD Data Collection
Compatible with various Mercedes-Benz models. -
No EIS Disassembly Required
Save time and avoid unnecessary hardware handling. -
No Manual Plugging/Unplugging
Fully automated and stable connection process. -
Faster Data Acquisition
Cuts down the total programming time significantly. -
Power Requirement:
12V / 2A adapter included.
🚗 Supported Models & Approximate Data Acquisition Time
Model | Chassis / EIS Model | Disassembly Needed | Time |
---|---|---|---|
Mercedes S-Class | W221 / EIS 216 | No | ~12 minutes |
Mercedes E-Class | W221 / EIS 211 | No | ~9 minutes |
Mercedes C-Class | W209 / EIS 209 | No | ~9 minutes |
Mercedes B-Class | W246 / EIS 169 | No | ~35 minutes |
Mercedes A-Class | W246 / EIS 169 | No | ~35 minutes |
Mercedes R-Class | W251 / EIS 164905 | No | ~12 minutes |
Mercedes ML-Class | W164 / EIS 164905 | No | ~12 minutes |
Mercedes GL-Class | W166 / EIS 164905 | No | ~12 minutes |
This adapter is ideal for workshops and technicians who need a fast, safe, and efficient way to collect Mercedes EIS data via OBD. Works exclusively with the CGDI MB Key Programmer.

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