ISM module A0044460310 – what to know
This is an original, used ISM module (Siemens VDO) for the 7G-Tronic 722.9 automatic gearbox. This is the VIRGIN version – clean and reset, ready for programming. Every unit is checked on the bench before dispatch.
How to put the module into service
First the positioner (selector) must be calibrated, and only then the ISM module adapted to the gearbox and the car. You can also ask us to clone the data from the old module – included in the price.
Label – numbers and formats
| Label | Number (different formats) |
| Mercedes-Benz number | A0044460310 / 0044460310 / A 004 446 03 10 |
| Siemens VDO number | A2C53334287 |
We list the numbers in several formats – the way they are printed on labels and typed into search engines.
Which cars does A0044460310 fit?
We do not list models because we have not confirmed them for this number – this is an ISM module for the 7G-Tronic 722.9 gearbox in Mercedes-Benz cars. What matters are the codes on the label of your module: A0044460310 and A2C53334287. In the Mercedes-Benz catalogue, number A0044460310 is superseded by A0002701852 – we stock that module too: A0002701852.
Symptoms of a faulty ISM module
The most common symptoms:
- no communication with the ISM module in diagnostics,
- the car cannot be shifted out of P,
- the gearbox does not respond when D or R is selected.
Note: the cause may also be the selector, wiring or the gearbox control unit (VGS). A diagnosis before purchase will check this.
Similar ISM modules
We also have: A0002701952, A1644460410, A0002703252, A1644460310. Pick the one whose number matches your module.
Contact and warranty
Not sure whether the number matches? Contact us. The module comes with a warranty – 6 months. Other modules: Mercedes-Benz Transmission Control Units (TCU).
A0044460310 – frequently asked questions
| Question |
Answer |
| How do I put module A0044460310 into service? |
Calibrate the positioner, then adapt the ISM module to the gearbox and the car. Instead, we can clone the data from the old module – included in the price. |
| In which cars is A0044460310 used? |
We have not confirmed models for this number – choose the module by the label numbers. |
| 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. |
| How do I know that A0044460310 will fit? |
The label of your module must carry the same codes: A0044460310 and A2C53334287. |