Airbag control unit with part number A9064461342

What does the airbag control unit A9064461342 do?

The A9064461342 is the SRS control unit for Mercedes-Benz. It evaluates the crash sensors and decides in an accident within milliseconds which airbags and seatbelt pretensioners are triggered.

The unit monitors the system continuously and shows detected faults via the airbag warning light in the instrument cluster.

On the housing, the manufacturer number Bosch 0285010226 is also printed. After an accident the unit stores crash data and locks itself.

Why does the control unit A9064461342 fail?

Stored crash data after an accident is the most common cause for the A9064461342, even if no airbag has deployed. Aged electronic components, cold solder joints, moisture and corrosion at plug connections, and voltage spikes can also lead to failure.

Crash data cannot be erased with a normal diagnostic tool. Airbag24 erases it during the repair, because this is part of the examination.

Voltage spikes arise, for example, from a weak battery or from a jump-start. Moisture and corrosion damage plug connections over time, and cold solder joints can cause contact problems.

How can you tell that the A9064461342 is defective?

The airbag warning light in the instrument cluster stays on permanently or intermittently. A defect on the A9064461342 also shows as an error message, as a missing contact between the diagnostic tool and the control unit, or as a fault memory that cannot be cleared.

The light indicates the fault and is therefore the most important warning signal the vehicle provides. Anyone who heeds this signal notices early that the restraint system is not fully functional.

In an emergency, airbags and seatbelt pretensioners may fail to deploy. Such a display therefore requires prompt clarification.

Which vehicles is the A9064461342 fitted in?

A comparison with the vehicle data shows whether the car is affected. The A9064461342 is fitted in these vehicles: Mercedes-Benz Sprinter W906 (2006-2018).

The list of vehicles follows here:

• Mercedes-Benz Sprinter W906 (2006-2018)

Compare the part number on the label of the removed unit with this page, so you know it is the correct unit. Also have the fault memory read out beforehand, because this result 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 A9064461342 work?

First have the fault memory read out, attach the log and disconnect the battery before removing the control unit. Processing at Airbag24 usually takes 3–4 working days.

Then create a repair order online and send the well-packed unit in. Airbag24 examines it on the test bench, repairs defective components, erases the crash data and carries out a function test. Your own unit is then returned.

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 A9064461342 get to Airbag24?

You send the A9064461342 as a parcel or book a UPS collection for an extra charge. After the repair, Airbag24 sends the unit back by UPS.

Put the printed repair order in the parcel, and pack the control unit shockproof.