Wiper system (WSA), function - GF82.30-P-0003CE

MODEL 204.0/2 as of model year 2009/YoM 08 

MODEL 204.3 

MODEL 204.9 

Fig 1: Wiper System Block Diagram

Courtesy of MERCEDES-BENZ USA

Function requirements, general 

• Circuit 15R ON

The wiper system function comprises the following subfunctions, which are described in separate documents:

The electronic ignition lock control unit transmits the circuit status circuit 15 via the interior CAN.

Wiper system, general 

The wiper system controls the wiping and washing of the windshield and the rear window (in model 204.2/9).

• Windshield wiper, function 
• Windshield washer, function 
• Headlamp cleaning system, function (with code (600) Headlamp cleaning system) 
• Washer nozzle/washer nozzle hose heater function (with code (875) Heated windshield washer system) 
• Rear window wiper system (WSA) function (with model 204.2/9)