Vehicle Security Systems Mercedes Vito 2 (W639)

Passive safety system
The additional passive safety system is designed to protect people in the car in various types of emergency situations. The passive safety system is designed to preserve...

Block diagram of the passive safety system
VN 10.001 A45/1. Contact of the rotating contact joint of the steering column (RCJ); A45/1r1. Driver's airbag squib; A53. Left side impact sensor; A54. Right side impact...

Elements of the security system
Attention! Before starting work that requires manipulation of the passive safety system elements to some extent, be sure to read the section "Precautions for servicing...

Precautions when servicing units containing elements of the passive safety system
Disassembling system components Disassembling and reassembling air bag system components may impair the system's performance, which could result in the system deploying...

Driver's airbag
The driver's airbag (11) with a pyropatron (A45/1r1) is built into the shock-absorbing steering wheel pad. In the event of an accident, the deploying airbag fills the...

Side airbags
Side airbags are designed to protect the ribs and internal organs of people sitting in the front seats. Side airbags (14) for the driver (R12/32) and front passenger...

Seat belt pretensioner
Safety belt Pre-tensioning device (UPN) The UPN (10) seat belts are installed behind the trim of the middle pillars of the passenger compartment. With a double front...

Construction of the UPN
VN 10.012 1. Gas generator; 2. Gas; 3. Balls; 4. Toothed pulley; 5. Internal gear wheel VN 10.013 1. Seat belt pretensioner unit; 2. Ball collector; 3. Drive wheel; 4...

Upper side airbags
Designed to protect the head during a side impact. The upper airbags (13) and the pyrotechnic gas generators (R12/16) and (R12/17) are installed together with the air...

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Vito 1 (1996-2003)