Airbag control unit with part number A1179008600

What is the function of Airbag Control Unit 1179008600?

The airbag control unit with part number 1179008600 is the central control module for the occupant protection system in the Mercedes-Benz GLA-Class X156. It processes signals from crash sensors to precisely deploy airbags and seatbelt pretensioners in the event of a collision, thereby ensuring the safety of vehicle occupants.

This module is specifically designed for the Mercedes-Benz GLA-Class of the X156 series (model years 2013–2020). Its primary task is to continuously monitor data from the vehicle’s acceleration and pressure sensors.

In the event of a collision, the control unit determines within milliseconds which restraint systems—such as front, side, or knee airbags, as well as seatbelt pretensioners—must be activated to minimize the risk of injury to occupants.

Why does control unit 1179008600 fail?

The most common cause of failure for control unit 1179008600 is the storage of crash data after an accident, which locks the module. Other defects include internal electronic faults that result in a permanently illuminated airbag warning light or communication issues with diagnostic tools.

Following a collision—even if it involves rear-end damage or only seatbelt pretensioners are activated without airbag deployment—the control unit irrevocably stores crash data. This hardware-based lock ensures safety by preventing further use without professional inspection and repair.

Another typical defect is internal circuit board failures, which may manifest as error code B1000 or the inability to read the control unit (“No Communication”).

Potential causes of such defects include moisture damage, improperly seated connector connections, or previous improper repair attempts.

It is important to note that other part numbers, such as A1179001701, A1179001702, A1179012900, and 1179005800, are often installed in the same vehicles and can exhibit similar fault patterns.

How do you recognize a defect in control unit 1179008600?

A defect in control unit 1179008600 primarily manifests as a permanently illuminated airbag warning light on the instrument cluster. Additionally, workshop diagnostic tools may be unable to establish communication with the control unit, making fault diagnosis difficult or impossible.

The most obvious symptom is the persistently lit airbag warning light. It does not turn off after starting the engine, indicating a critical issue with the restraint system and resulting in a significant deficiency during the main vehicle inspection.

Often, the control unit can no longer be accessed by diagnostic equipment. Attempts to read the fault memory fail with messages like “No Communication with Airbag Control Unit” or “Airbag Control Unit Unreadable.”

If communication is still possible, the generic error code B1000 is frequently stored, directly pointing to an internal malfunction within the control unit itself and necessitating repair.

In which models is 1179008600 installed?

The airbag control unit with part number 1179008600 is specifically used in the Mercedes-Benz GLA-Class SUV of the X156 series. At Airbag24, we offer expert repairs tailored to this exact vehicle model and its compatible replacement part numbers.

At Airbag24, we repair control unit 1179008600 and compatible variants for the following model:

Mercedes-Benz: GLA X156 SUV (2013–2020)

Our repair services also cover functionally equivalent control units with part numbers A1179001701, A1179001702, A1179012900, and 1179005800, which may be used in the GLA X156.

How does repair work at Airbag24?

At Airbag24, control unit 1179008600 undergoes a professional repair process. This includes analysis, secure deletion of stored crash data, correction of internal faults, and a final functional test. You receive 2 years' statutory liability for defects on the completed repair.

It is recommended to read the fault memory before removing the control unit to confirm that the issue truly lies within the module. After sending the unit to Airbag24, a standardized and proven procedure follows.

First, the device undergoes an incoming inspection to verify the reported fault. Then, crash data is completely and securely erased at the hardware level, restoring the unit to like-new functionality.

Simultaneously, known weak points on the circuit board are inspected and repaired if necessary. Following successful restoration, calibration and a comprehensive final test ensure flawless operation.