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Mercedes-Benz C-Class W203/S203 - Simulator for defective seat occupancy mat
Shown: Version 1 before facelift (1999-02/2004)
Mercedes-Benz C-Class W203/S203 Simulator for Defective Seat Occupancy Mat
- Installation in 5 to 10 minutesNo seat removal required
- Plug & PlayNo coding required
- Patented productDeveloped and tested in Germany
The seat occupancy mat is defective and the airbag warning light is on permanently? Our simulator for the Mercedes-Benz C-Class W203/S203 solves the problem permanently. The module simulates a permanently occupied passenger seat for the airbag control unit, the warning light turns off and the passenger airbag functions reliably again.
- Airbag warning light turns off immediately after installation
- Also suitable after seat modifications with Recaro, Sparco, or König
Included in Delivery: Seat occupancy simulator. If your vehicle has a seat belt warning tone signal, the item will additionally include a seat belt buckle simulator that permanently deactivates the seat belt warning tone.
Note: The device may differ visually from the product image. If necessary, error memory may need to be cleared once.
Matching error codes
Note: Not suitable for the CL203/CLC203 coupé Go to the matching product →
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Safety notice
Attention: With the simulator installed, the passenger airbag will always deploy in a crash. No rear-facing child seat may be fitted to a seat equipped with a simulator.
Important information
This article is intended exclusively for motorsport use and is not approved for public road traffic (StVO).
No right of return once the article has been opened or used, as this is a safety-relevant part. If you believe you have received the wrong article, please contact us at [email protected].
Possible airbag error codes for a defective airbag control unit:
Installation location

Top view without the roof. The seat with the seat occupancy mat is marked in red.
Front passenger seat
The seat occupancy mat is located here. The simulator takes over its function.
Driver's seat
No seat occupancy mat.
Rear bench
No seat occupancy mat.
One simulator is needed per vehicle.
Specifications
- Make
- Mercedes-Benz
- Model
- Mercedes-Benz C-Class
- Series
- W203 Saloon (2000-2007)S203 Estate (2001-2007)

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