1993 Mercedes-Benz 300SD W126 Owners Manual

Supplemental Restraint System
(SRS)
Emergency Tensioning
Retractor (ETR)
In cases of other frontal impacts, roll-
overs, certain side impacts, rear
collisions, or other accidents without
frontal forces, the emergency
tensioning retractors will not be
activated. The driver and passenger
will then be protected by the fastened
seat belts and inertia reel in the usual
manner.
The SRS uses two crash severity levels
(thresholds) to activate either the ETR
or airbag or both. Activation depends
on exceeding the thresholds and
fastening of the seat belt.
The seat belts 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.
Seat belt fastened
The emergency tensioning retractors
are designed to activate only when the
seat belts are fastened during major
frontal impacts within the shaded area
shown. They tighten the belts in such a
way that they fit more snugly against
the body, restricting its forward
For seat belt and emergency tensioning
retractor safety guidelines, see Safety
Guidelines in Index.
first threshold exceeded:
ETR activates
second threshold exceeded:
airbag also activates
Seat belt not fastened
movement as much as possible.
first threshold exceeded: airbag
activates, but not ETR
Driver and front passenger systems
operate independently from each other.
48
Product Specification
CategoriesMercedes-Benz Manuals, Mercedes-Benz S-Class Manuals
Document TypeFree PDF Owner's Manual Download.
Tags,
Model Year1993
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- 140 pages
Document File TypePDF
Publishermbusa.com
Wikipedia's PageMercedes-Benz W140
CopyrightAttribution Non-commercial
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