We sell ISM module A1644460610
We offer an original, used Siemens VDO ISM module for the 7G-Tronic 722.9 automatic gearbox. This is the VIRGIN version – clean and reset, ready for programming. We bench-test it before dispatch. Numbers to compare: A1644460610 and A2C53163028.
Application
The number starts with 164 – in Mercedes-Benz numbering this is the ML W164 / GL X164 series the module was developed for. What matters are the codes on the label of your module: A1644460610 and A2C53163028. In the Mercedes-Benz catalogue, number A1644460610 is superseded by A0002701852 – we stock that module too: A0002701852.
How does an ISM module failure show up?
- gearbox fault message,
- the gearbox does not respond when D or R is selected,
- the car cannot be shifted out of P.
Note: the cause may also be the selector, wiring or the gearbox control unit (VGS). A diagnosis before purchase will check this.
Have a different number?
Check the other ISM modules we offer: A1644460710, A0002703252, A0002701952, A0044460310. Always compare the number on the label.
Numbers to compare with your label
| Label | Number (different formats) |
|---|
| Mercedes-Benz number | A1644460610 / 1644460610 / A 164 446 06 10 |
| Siemens VDO number | A2C53163028 |
We list the numbers in several formats – the way they are printed on labels and typed into search engines.
Programming and cloning
Programming takes two stages: first the positioner (selector) is calibrated, then the ISM module is adapted to the gearbox and the car. Instead of programming we can clone the data from your old module – cloning is included in the price.
Warranty
The warranty on this module is 6 months. You will find the other gearbox control units in the category Mercedes-Benz Transmission Control Units (TCU). Questions about choosing the number? Contact us.
A1644460610 – frequently asked questions
| Question |
Answer |
| Does the module need programming? |
Yes. First calibration of the positioner, then adaptation of the ISM to the gearbox and the car. You can also order cloning from us – included in the price. |
| How do I check whether the module fits my car? |
Compare the codes on the label of your module: A1644460610 and A2C53163028. |
| What does an ISM module do? |
The ISM (Intelligent Servo Module) sits on the 7G-Tronic 722.9 gearbox and electrically shifts it into P, R, N and D when commanded by the selector. It is a different module from the VGS gearbox control unit. |
| Which cars does this module fit? |
We have not confirmed models for this number – choose the module by the label numbers. |
