What This Service Includes
Supply of a high-quality ESL emulator
Full programming to your vehicle’s EIS
Alignment using your working key
Plug-and-play solution with no coding required on the car
Suitable for fixing steering lock failure, non-start conditions and ESL motor faults
When an ESL Emulator Is Needed
This service is ideal if you are experiencing:
Steering lock stuck or not unlocking
Vehicle won’t turn on or won’t start
ESL motor failure
ESL fault codes stored
Previous repair attempts that failed
Dead, locked or damaged steering lock unit
The emulator permanently replaces the mechanical steering lock, providing a reliable long-term solution.
What You Need to Send Us
To complete the programming, we require:
Your vehicle’s EIS (Electronic Ignition Switch)
A working key
(Optional) The original ESL if you want us to confirm failure
Once received, we program the emulator to match your vehicle exactly.
How the Service Works
1. Place your order online
Complete checkout to book your emulator supply and programming service.
2. Send your parts to us
Package your EIS and working key securely and send them to:
SLT Remapping & Diagnostics
6 Fell Rd
Attercliffe
Sheffield S9 2AL
United Kingdom
3. We program the emulator
Your EIS data is read, the emulator is programmed and paired to the correct key authorisation, then fully tested.
4. We return the programmed emulator
You will receive a plug-and-play unit ready to install in place of the original ESL.
Why Choose Our Service
Over 25 years’ experience in Mercedes electronics
High-quality emulators – no cheap unreliable clones
Fast turnaround with reliable UK-based support
Thousands of modules successfully programmed
Clear pricing with no hidden costs
Important Information
A working key is required to complete programming
This service does not repair the original ESL — we provide a programmed emulator
Installation instructions can be provided on request
Ensure components are well packaged for safe delivery
