Airbag control unit with part number 0285013742

What does the airbag control unit 0285013742 do?

The SRS control unit 0285013742 coordinates the restraint system of Mercedes-Benz. It evaluates the signals from the crash sensors, decides within milliseconds in the event of an accident which airbags and seatbelt pretensioners are triggered, and monitors the system continuously. After an accident it stores crash data and locks itself.

If the unit detects a fault, the airbag warning light in the instrument cluster comes on. This tells you as the driver that something in the system is wrong.

The control unit is connected to sensors, airbags and seatbelt pretensioners, and checks this network constantly.

Why does the control unit 0285013742 fail?

Most often the cause is crash data from an accident, even if no airbag has deployed; a standard diagnostic tool cannot erase this data. Ageing electronic components, cold solder joints, moisture and corrosion on plug connections, and voltage spikes also play a role.

Airbag24 erases the crash data during the repair. The other causes stem from ageing, moisture or voltage in the vehicle electrical system.

Which cause applies in the individual case becomes clear only from the test on the test bench.

How can you tell that the 0285013742 is defective?

The airbag warning light in the instrument cluster, which lights up permanently or intermittently, is the first sign of a defect in the 0285013742. A fault message in the instrument cluster, no connection to the diagnostic tool and a fault memory that cannot be cleared are also present. In an emergency, airbags and seatbelt pretensioners may then fail to deploy.

The airbag warning light is a warning that the system triggers itself as soon as it detects a fault. You should therefore have the warning checked promptly.

A fault memory that cannot be cleared and a missing contact with the diagnostic tool are also findings that call for a check.

Which vehicles is the 0285013742 fitted in?

The control unit 0285013742 is designed for Mercedes-Benz. It is fitted in these vehicles: Mercedes-Benz X-Class X470 Pick-up (2017-2020).

The vehicles are listed here:

• Mercedes-Benz X-Class X470 Pick-up (2017-2020)

First compare the part number on the label of the removed unit with this page, then you know that you have the correct unit. Have the fault memory read out beforehand, because only this result shows whether the control unit is defective or whether a connector or a cable is causing the problem.

For the same vehicles, we also repair control units with the part numbers 98820 5XA0A, 98820 5XA0B, 98820-5XB0A, A470 900 07 03.

How does the repair of the 0285013742 work?

First have the fault memory read out and enclose the log. Then disconnect the battery, remove the control unit only after that, and create a repair order online. Finally, pack the unit well and send it in.

Airbag24 checks the unit on the test bench, replaces defective components, erases stored crash data and carries out a function test, after which your own unit is returned to you. Processing usually takes 3–4 working days, and this time covers only the checking, repairing and testing at Airbag24.

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 0285013742 get to Airbag24?

You send the unit as a parcel or book a UPS collection for an extra charge. After the repair, the unit comes back to you from Airbag24 by UPS.

Include the printed repair order with the parcel and use shock-proof packaging.