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Supplemental restraint system function - GF91.60-P-0003GR

MODEL 166 up to model year 2016 

Fig 1: Supplemental Restraint System Block Diagram
G10077095Courtesy of MERCEDES-BENZ USA

Function requirements, general 

IMPORTANT The electronic ignition lock control unit transmits the status of circuit 15 via chassis CAN 1 to the Supplemental Restraint System control unit.

IMPORTANT After circuit 15R is switched off, parts of the supplemental restraint system remain active for a certain run-on time.

IMPORTANT Power reserve: The Supplemental Restraint System control unit provides a power reserve for at least t = 300 ms if the battery has been disconnected.

Supplemental restraint system, general information 

The supplemental restraint system is intended for occupant protection and with CODE U60 (Pedestrian protection) also for pedestrian protection.

IMPORTANT Belt lock:

The belt is prevented from extending in certain situations, irrespective of the status of the supplemental restraint system.

The following subfunctions are described in separate documents:

Passenger-side seat occupied recognition function MODEL 166
up to model year 2016
without CODE U10 (Front passenger seat with weight sensor)
GF91.60-P-1100GR 
MODEL 166
up to model year 2016
with CODE U10 (Front passenger seat with weight sensor)
GF91.60-P-1100GRU 
Actuate supplemental restraint system, function   GF91.60-P-2012GR 
Pedestrian protection function MODEL 166
up to model year 2016
with CODE U60 (Pedestrian protection)
GF91.60-P-1005GR