Emergency tensioning retractor (ETR)
In cases of other frontal impacts, angled impacts, roll-
overs, certain side impacts, or other accidents without
sufficient frontal or rear impact forces, the emergency
tensioning retractors will not be activated. The driver
and passengers will then be protected by the fastened
seat belts and inertia reel in the usual manner.
The seat belts for the outboard passenger seats (except
in the optional 3rd row seats) are equipped with
emergency tensioning retractors. These tensioning
retractors are located in each belt’s inertia reel and
become operationally ready with the key in steering
lock position 1 or 2.
For seat belt and emergency tensioning retractor see
page 63.
The emergency tensioning retractors are designed to
activate only when the seat belts are fastened during
frontal impacts exceeding the first threshold of the SRS
and in rear impacts exceeding a preset severity level.
They remove slack from the belts in such a way that the
seat belts fit more snugly against the body restricting its
forward movement as much as possible.
Restraint systems
55
Instruments
and controls
Instrument
cluster display
Technical
data
Operation
Driving
Practical hints
Car care
Index
| Categories | Mercedes-Benz M-Class Manuals, Mercedes-Benz Manuals |
|---|---|
| Tags | Mercedes-Benz ML320, Mercedes-Benz ML430, Mercedes-Benz ML55 AMG, Mercedes-Benz W163 |
| Model Year | 2000 |
| Download File |
|
| Document File Type | |
| Publisher | mbusa.com |
| Wikipedia's Page | Mercedes-Benz W163 |
| Copyright | Attribution Non-commercial |
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