Airbag control unit with part number A9064460342

What does the airbag control unit A9064460342 do?

In the restraint system (SRS) of Mercedes-Benz, the airbag control unit A9064460342 takes over central control. It processes the signals of the crash sensors and determines within milliseconds in an accident which airbags and seatbelt pretensioners are triggered. It monitors the system continuously; faults appear on the airbag warning light.

The manufacturer number Bosch 0285010020 is also stamped on the housing. This lets you identify the unit alongside the part number.

After an accident the control unit stores crash data and locks itself.

Why does the control unit A9064460342 fail?

The most common cause is crash data stored after an accident, even without an airbag triggering. A standard diagnostic tool cannot erase it. Further causes include aged components, cold solder joints, moisture and corrosion, and voltage spikes.

You cannot see from the vehicle in daily use that crash data is stored. Airbag24 erases it during the repair.

Further causes at a glance:

• aged electronic components
• cold solder joints
• moisture and corrosion at plug connections
• voltage spikes, for example from a weak battery or a jump start

How can you tell that the A9064460342 is defective?

A defect shows up on the airbag warning light in the instrument cluster, which lights up permanently or intermittently. Fault messages in the instrument cluster, a diagnostic tool that finds no control unit and a fault memory that cannot be cleared are further signs. In an emergency, airbags and seatbelt pretensioners may then fail to trigger.

The warning light is a direct warning from the vehicle and reports the state of the entire system.

If no connection can be established, this is also a finding that you should have clarified promptly.

Which vehicles is the A9064460342 fitted in?

The airbag control unit A9064460342 is fitted for Mercedes-Benz in this vehicle: Mercedes-Benz Sprinter W906 (2006-2018).

The vehicles that Airbag24 has stored for this number are listed in the overview.

• Mercedes-Benz Sprinter W906 (2006-2018)

To check whether the unit fits your car, use the label number of the removed control unit. The comparison only confirms the identity of the unit and says nothing about its function. Therefore have the fault memory read out before removal, because only this log shows whether the control unit is defective or a plug or cable is the cause.

For the same vehicles, we also repair control units with the part numbers 000 446 06 42 (06), 0285010349, 0285011060, 285010054, 285010349, 285011400.

How does the repair of the A9064460342 work?

First have the fault memory read out and enclose the log. Then disconnect the battery and only then remove the control unit A9064460342. At Airbag24, checking, repair and function test usually take 3–4 working days.

Then create a repair order online and pack the unit well for shipping. At Airbag24 it is checked, defective components are replaced, crash data is erased and a function test is carried out.

Our repairs come with 2 years' statutory liability for defects. The repaired control unit comes back with all vehicle data and is ready for use as soon as it is refitted — no coding or programming is required.

How does the control unit A9064460342 get to Airbag24?

The control unit A9064460342 reaches Airbag24 as a parcel, or you book a UPS collection for an extra charge. Airbag24 sends the unit back to you by UPS after the repair.

Put the printed repair order into the parcel and pack the unit shock-proof.