CGDI MB Overview

This tool is designed to program keys and read Mercedes modules, especially helpful when:

• All keys are lost
• You need to read EIS data and calculate passwords
• You want to write or erase keys via infrared or OBD :contentReference[oaicite:4]{index=4}

Key Features

• Adds keys to Mercedes‑Benz cars even when all original keys are lost
• Fastest key collection ~1:50 and password calculation ~40s with a high success rate
• Works with both BE keys and original Mercedes keys
• Can read EIS data via OBD or infrared
• Displays EIS model, key status and other metadata :contentReference[oaicite:5]{index=5}

Images

Figure 4.1: CGDI Prog MB Benz key programmer overview

Basic Workflow

1. Connect to the Vehicle

• Plug the CGDI MB tool into the OBD port of the car
• Ensure the car’s battery has sufficient charge

2. Read EIS Data

• Use the software to read the EIS unit data
• This gives you the module info needed for programming

3. Calculate Password

• The tool will automatically calculate the password needed to program keys
• This is often done in under a minute :contentReference[oaicite:6]{index=6}

4. Add or Program New Keys

• Connect the key adapter and follow on‑screen instructions
• Insert or tap the key when prompted

5. Verify Keys

• Use the software to confirm the new key works with the vehicle

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CGDI PROG MB Mercedes-Benz Key Programmer

Product Description

CGDI PROG MB Mercedes-Benz Key Programmer is a professional device designed for key programming, module reading/writing, password calculation, and diagnostics on Mercedes-Benz vehicles.

It supports a wide range of Mercedes models, including advanced keyless systems, and can:

• Create new keys from scratch
• Clone existing keys
• Read and write EIS / EZS
• Read, write, and repair ELV / ESL
• Perform password calculation
• Program ECU / TCU / ISM

CGDI MB is a versatile and reliable tool for technicians working with Mercedes-Benz electronic systems.

Top 9 Highlights

1. Fastest Mercedes key adding

   • Data collection: ~1 minute 50 seconds
   • Password calculation: ~40 seconds
   • 99% success rate in one calculation

2. Supports BE keys and original keys

3. Supports all keys lost for models: 211, 209, 204, 207, 212, 166, 246, 197, 172, 164+, 216, etc.

4. Supports more older Mercedes models via OBD than other tools (W210, W203, W639, W220, W215, W169)

5. Supports ECU renew:

   • ME9.7, MED17
   • CR3.xx, CR4.xx, CR5, CR60.xx
   • CRD.11, CRD2.xx
   • SIM266, SIM271DE2.0, SIM271KE2.0, SIM4LE, SIMELKE
   • Supports EGS 7G gearbox renew

6. Improved infrared diode for better Keyless-Go sensitivity

7. Free lifetime online updates from official website

8. Multi-language support:

   • English, Spanish, French, German, Chinese
   • Optional (paid): Polish, Turkish, Russian

9. Mileage repair & Gateway read/write included

   • Supports FBS4 mileage repair

Notices ⚠️

1. Do NOT disassemble the CGDI device

   • Encrypted battery inside
   • Opening the device causes automatic power failure

2. Token policy selection is final

   • Silver Member cannot upgrade to Blue Member later

Device Activation

CGDI MB must be activated before use.

Activation Steps

1. Download the latest Benz Monster software

   • User manual included

2. Install software on your laptop

3. Activate the device via Online Store menu

4. Choose a license:

   • Blue Member – One free token (lifetime)
   • Silver Member – Two free tokens (valid 180 days)

Token Policy

Blue Member

• 1 free token lifetime

Silver Member

• 2 free tokens valid 180 days
• Renewal: $59.99 / 180 days
• Can bind with other CGDI devices (BMW / CG Pro) for extra tokens
• Extra tokens: $4 per token

Key Programming Features

• Automatically identifies key information (SSID, usage count)
• Infrared read / erase BE keys
• NEC adapter supports original and common keys
• Infrared writing of original Mercedes keys
• Restore key and EIS data using key password

Supported Mercedes-Benz Models (FBS3)

Main Function List

General Functions

• Add keys (including all keys lost)
• Read EIS via OBD or IR
• Identify EIS model automatically
• Display key status and disable lost keys
• Generate key data (HC05 / 908 / 912 / 9S12 / NEC)

EIS / EZS Functions

• OBD & Infrared mode support (FBS3 / FBS4)
• Read / modify VIN (FBS3 write, FBS4 read only)
• Read mileage
• Detect key usage and last used position
• Enable / disable EIS
• Erase and write EIS (FBS3)
• Password reading via IR on selected models

KEY Read & Write Functions

• Read key SSID, usage count, status, version
• BE key read / erase / write / activate
• Support smart and non-smart keys
• Support frequency switching (433MHz / 315MHz)

Password Calculation (Online)

• Supports key present & all keys lost
• Data collection: ~3 minutes
• Password calculation: ~1 minute
• Fast collection supported on many models

ECU / TCU / ISM Programming

• Read ECU / TCU / ISM data
• Erase modules (online)
• Load and save module data

ELV / ESL Functions

• Read ELV via OBD
• Erase, repair, synchronize ELV
• Activate ELV
• ELV emulator support (W204 / W207 / W212)

Mileage Repair

• Read / write instrument mileage
• Clear instrument fault codes
• EEPROM read/write
• Supports FBS4 mileage license

FBS4 Updates (2022-09-08)

• W205 (2018-)
• W213
• W222 (2017-)

ZGW (Gateway) Read & Write

• EEPROM & FLASH operations
• Supports W204, W211, W212, W164, W251, W221, W216, W197, etc.

Package Contents

• CGDI MB Multiplexer
• OBD Cable
• IR Adapter
• NEC Key Adapter
• USB Cable