•
•
According to accident statistics,
children are safer when properly
restrained in the rear seating
positions than in the front seating
positions.
Supplemental Restraint System
(SRS)
Emergency Tensioning Retractor
(ETR)
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 for the front 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.
Children too big for child restraint
systems should ride in rear seats
using regular seat belts. Position
shoulder belt across chest and
shoulder, not face or neck. A
booster seat may be necessary to
achieve proper belt positioning.
Seat belt fastened
The emergency tensioning retractors
are designed to activate only when the
seat belts are fastened during frontal
and front-angled impacts exceeding the
first threshold of the SRS. They re-
move 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.
• first threshold exceeded:
ETR activates
•
Adjust the front passenger seat as
far as possible rearward from the
dashboard when a child restraint
is installed.
• second threshold exceeded:
airbag also activates
Seat belt not fastened
•
first threshold exceeded:
airbag activates, but not 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 passengers
will then be protected by the fastened
seat belts and inertia reel in the usual
manner.
Driver and front passenger systems
operate independently from each other.
For seat belt and emergency ten-
sioning retractor safety guidelines see
Safety Guidelines in Index.
50
| Categories | Mercedes-Benz Manuals, Mercedes-Benz S-Class Manuals |
|---|---|
| Document Type | Free PDF Owner's Manual Download. |
| Tags | Mercedes-Benz S320, Mercedes-Benz S420, Mercedes-Benz S500, Mercedes-Benz W140 |
| Model Year | 1994 |
| Download File |
|
| Document File Type | |
| Wikipedia's Page | Mercedes-Benz W140 |
| Copyright | Attribution Non-commercial |
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haven't seen the PDF yet, difficult to review without it.