Airbags and belt tensioners
Precautions
In this manual: Airbags and belt tensioners
~2min read
Safety instructions
All work on airbag and pretensioner systems must be carried out by trained, qualified personnel.The airbag is a device subject to explosives legislation, classified according to the laws in force in each country. It is therefore important that personnel working on these devices observe the following safety rules:
- Airbag and pretensioner modules must always be disconnected before using measuring instruments, ohmmeters or any other powered measuring instrument to check components and electrical wiring.
- No type of measurement must be carried out on airbag and pretensioner modules.
- Repairing or splicing electrical wiring is strictly prohibited (replace the harnesses).
- Before carrying out any electric welding, the battery must be disconnected.
- Do not disconnect the battery with the engine running or with the ignition on and the control module powered.
- Before reconnecting a connector, check the condition of the contacts, the presence of the seal and the condition of the mechanical locking.
HANDLING PRECAUTIONS
- Never disassemble the airbag module.
- Never subject the airbag module to violent impacts.
- Never bring a magnet close to the module.
- Carry the airbag one at a time, bag side up.
- Do not hold the airbag against your body with your arms.
- Carry the airbag close to the body, with the bag facing outward.
STORAGE PRECAUTIONS
- Store the airbag bag side up (connector resting) in a cabinet.
- Do not use an ohmmeter or any other current-generating source on the igniter.
- Do not expose to temperatures above 100 °C or to open flames.
- Do not disassemble, cut, drill, weld or modify the assembly.
- Do not drop or expose to mechanical shocks.
- Do not remove the shorting clip from the connector.
- Never dispose of in a landfill or waste bin without having triggered deployment on the vehicle.
- Never destroy the component anywhere other than in its original mounting location.
- Deploy the airbag before sending the vehicle for scrapping, following the recommended procedure.
Test yourself
A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.
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