Mercedes ISM – Cloning
Seeing the warning "Drive authorization system - Direct Select" or transmission stuck in Park? We repair and clone Mercedes ISM/DSM (A80) servo units across W164, W251, W221, and W212 with 100% Plug & Play – no online dealer SCN coding session required.
MODEL GENERATIONS
All 1 Mercedes ISM Generations
Select your generation below to learn about typical symptoms and our 100% Plug & Play cloning solutions.
GENERATION 1 · 2005–2016
Mercedes ISM (Continental / Siemens VDO)
Applicable Models: Mercedes ML/GL W164 (2005–2011) · Mercedes R-Klass W251 (2005–2013) · Mercedes S-Klass W221 (2005–2013) · Mercedes E-Klass W212 (2009–2016) · Mercedes C-Klass W204 (2007–2014)
Common Symptoms:
- Internal brush wear and commutator contamination in servo motor
- Position encoder track signal degradation
- Loss of drive authorization pairing with EZS
SMOOTH PROCESS
How the Process Works
1. Source donor & Send in
Source a healthy used donor unit (e.g. from an auto recycler) and ship both your faulty Mercedes ISM and the donor unit to our workshop.
2. 1:1 Laboratory Cloning
Our engineers extract all security and configuration data and program your donor unit with 100% accuracy.
3. Reinstall & Drive
Install the cloned unit back into your vehicle. The engine starts immediately with your original keys – no dealer coding required.
PART NUMBER SEARCH
Search by Part Number (OEM)
Check the part number on your Mercedes ISM label to find a compatible donor unit.
Frequently Asked Questions
Everything you need to know about Mercedes ISM, the cloning process, and diagnostics.
Need expert advice regarding your Mercedes ISM?
Call our certified technicians in Karlstad at 054-830 480 or send in your unit directly for rapid turnaround.