Supplemental Restraint System Function - GF91.60-P-0003RF

Model 205, 253 

Courtesy of MERCEDES-BENZ USA

Function requirements, general 

• The Supplemental Restraint System must be programmed to the vehicle (left or right-hand drive vehicle, equipment programming and configuration parameters)
• Circuit 15R ON

The electronic ignition lock control unit sends the circuit 15 status via the user interface CAN to the Supplemental Restraint System control unit.

After circuit 15R is switched off, parts of the Supplemental Restraint System remain active for a certain run-on time.

Energy reserve: The Supplemental Restraint System control unit provides an energy reserve after a voltage drop for at least 300 ms.

Supplemental restraint system, general information 

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

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:

• Belt extender, function (model 205.3 with code U02 (Belt extender, electric), model 205.4) 
• Pedestrian protection, function (with CODE U60 (Active engine hood (pedestrian protection))) 
• Passenger-side seat occupied recognition function 
• Supplemental restraint system deployment function 

	Belt extender, function	Model 205.3 with code U02 (Belt extender, electric) Model 205.4	GF91.45-P-0001RF
	Pedestrian protection function	Model 205, 253 with code U60 (Active Bonnet (Pedestrian protection))	GF91.60-P-1005RF
	Passenger-side seat occupied recognition function		GF91.60-P-1100RF
	Actuate supplemental restraint system, function		GF91.60-P-2012RF