Mercedes Benz C-Class (W204) 2007 - 2014 Training Manual: Front Emergency Tensioning Retractors

Mercedes Benz C-Class (W204) 2007 - 2014 Training Manual / Body and Safety / Front Emergency Tensioning Retractors

Restraint/emergency tensioning retractor system

Mercedes Benz C-Class. Front Emergency Tensioning Retractors

The emergency tensioning retractor in the W204 is a new design of toothed rack retractor tensioner. The functioning principle is based on the fact that an integrated toothed rack, which is fired pyrotechnically, unwinds via a cogwheel connected to the seat belt retractor and thus initiates the belt tensioning.

Mercedes Benz C-Class. Front Emergency Tensioning Retractors

An integrated, mechanically operating belt force limiter is responsible for generating belt forces which are initially slightly elevated but which then diminish as soon as the airbag has been fully inflated.

ARAMIS sensor location

PRE-SAFE/Reversible Emergency Tensioning Retractors

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Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual > Parking: Standby mode (extension of the starter battery's period out of use)
Standby mode function This function is not available for all models. If standby mode is activated, the vehicle can be parked for an extended period of time without losing power. Standby mode is characterized by the following: The starter battery is preserved. The maximum non-operational time out of ...