What is a Mercedes-Benz E-Class C124 Coupé airbag control unit?
The Mercedes-Benz E-Class C124 Coupé airbag control unit is your vehicle's central safety unit, controlling the precise deployment of the airbags and seatbelt pretensioners in the event of an accident. It continuously monitors sensors, processes their signals at lightning speed, and is crucial for the reliability of the entire SRS system to provide optimal occupant protection.
This control unit is typically installed in the front footwell or behind the center console. It is specifically designed for the driver airbag and belt tensioner system of the C124 Coupé.
It receives signals from crash sensors and triggers the pyrotechnic mechanisms when necessary. The unit is a genuine Mercedes-Benz OEM product that meets high safety and quality standards.
Why is the Mercedes-Benz E-Class C124 Coupé airbag control unit defective?
The Mercedes-Benz E-Class C124 Coupé airbag control unit frequently fails because it is sensitive to age-related material fatigue, moisture damage, or overvoltage. Especially after an accident, when crash data has been stored in the memory, a repair or replacement is essential to restore the airbag system's functionality.
Signs of a defect often include an illuminated airbag warning light in the cockpit or readable diagnostic error codes. Such failures can jeopardize the vehicle's entire passive safety system.
A professional diagnosis in the workshop is essential to determine the exact cause of the failure and ensure a safe repair of the defective control unit.
Common error codes for Mercedes-Benz E-Class C124 Coupé airbag control unit repair
When repairing the Mercedes-Benz E-Class C124 Coupé airbag control unit, specific error codes are crucial for a precise diagnosis, as they directly indicate internal problems within the control unit. These SRS codes, readable with appropriate diagnostic tools, enable rapid identification of defects and are the first step toward restoring vehicle safety.
- B1000 → Control unit communication error → Internal defect or communication fault of the airbag ECU
- B2D8A → Airbag control unit defective → Malfunction or hardware error in the airbag control unit
These error codes are relevant exclusively to the airbag control unit and indicate an immediate need for action. A professional diagnosis by a specialized workshop is essential.
What part numbers are available for the Mercedes-Benz E-Class C124 Coupé airbag control unit repair?
For Mercedes-Benz E-Class C124 Coupé airbag control unit repairs, only specific OEM part numbers are relevant to ensure compatibility and safety. These verified numbers identify the original control unit and are crucial for a successful repair, as only they guarantee correct fit and function in your vehicle.
- A0018201926 → Mercedes-Benz (Bosch) → Original OEM part number
- 0285001213 → Bosch → Original OEM part number
- 0227100023 → Bosch → Original OEM part number
These part numbers are authentic and verified for the Mercedes-Benz E-Class C124 Coupé, model years approximately 1989-1993. They ensure that the replacement part fits your vehicle exactly and enables a safe repair.
Checking the existing part number on your control unit is strongly recommended before any repair or replacement. This minimizes the risk of incompatibilities and ensures your safety on the road.