Vendors's code: A1644460610
Product code: 1644460610
Shipping costs are not included in the price.
Shipping costs are not included in the price.
express delivery 3-6 days
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Clean and reset ISM gearbox control module with part number A1644460610 / A2C53163028, prepared for programming using Mercedes Star Diagnosis tools.
The offered ISM (Intelligent Servo Module) gearbox controller with part numbers A1644460610 and A2C53163028 has been fully prepared for reinstallation. The unit is clean, factory-reset and ready for programming using the original Mercedes Star Diagnosis tool.
The ISM module supports the 7-speed automatic transmission 722.9 Direct-Select and is used in a wide range of Mercedes-Benz models:
The module has been tested and is fully functional. It is ready for reinstallation without additional configuration — it only needs to be paired with the vehicle according to Mercedes procedures.
Is the ISM module ready for installation?
Yes. The unit has been factory-reset and is fully prepared for adaptation in the vehicle via Star Diagnosis.
Does this ISM fit only the 722.9 transmission?
Yes. This module works exclusively with the 7-speed 722.9 Direct-Select automatic transmission used in many Mercedes-Benz models.
Which cars does this module fit?
It is used in Mercedes ML W164, R-Class W251 and S-Class W221 from 2005–2011, depending on engine version.
Does the module require programming?
Yes, pairing and personalisation must be performed using Mercedes Star Diagnosis or Xentry.
Is the module tested?
Yes. Each unit undergoes full functional testing and communication verification before sale.
Can I install it myself?
Physical installation is simple, but adaptation requires professional diagnostic equipment.
Can the module be returned?
Yes, standard return policy applies.
Can a faulty ISM prevent the vehicle from starting?
Yes. The ISM controls the Direct-Select lever position, so a failure can block gear selection or prevent the vehicle from starting.
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