Mercedes ELV / ESL License

The Mercedes ELV / ESL License is a dedicated PolDiag software license that provides
professional access to Electronic Steering Lock systems in Mercedes-Benz vehicles with FBS3 security.
With the Mercedes ELV / ESL License, users can safely read, write, and process critical ELV data
using the PolDiag OBD Interface.

Mercedes ELV / ESL License

Hardware requirement: This license requires the
PolDiag OBD Interface. Without compatible OBD hardware,
ELV and ESL operations cannot be performed.

Guaranteed Functionality

• Reading, changing, and writing stored ELV / ESL data
• Unlocking damaged ELV units without opening or disassembly
• Reading and generating service keys for ELV / ESL systems
• Renewing or virginizing used ELV units (all supported types)
• Automatic ELV password generation for models 204, 207, and 212
• Reading and writing ELV emulator data
• Personalization and activation of ELV units
• Transport Protection (TP) erasing
• ELV read, write, and renew for W246 models with BGA or NEC chips via OBD

Additionally, this license supports professional ELV / ESL handling without unnecessary mechanical
intervention. As a result, users can complete steering lock repairs more efficiently while reducing
the risk of component damage. However, compatibility depends on vehicle configuration and system
state.

Supported Vehicles

• Mercedes-Benz models: W203, W208, W209, W211, W212
• Additional supported platforms: W204, W207, W176, W210, W906, W639

All supported vehicles use FBS3 Electronic Steering Lock systems.

For compatible hardware and license extensions, see PolDiag OBD Interface options.
For additional technical background on Mercedes-Benz ELV / ESL systems, refer to publicly available documentation.

The primary and guaranteed function of this license is access to Mercedes ELV / ESL systems via OBD
for data reading, writing, and renewal. All other functions are secondary and not guaranteed.