Windshield wipers, windshield washer system and headlamp cleaning system - function check - AP82.30-P-8252RT

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MODEL 251

Fig 1: Identifying Vehicle Windshield (Model 251)

Courtesy of MERCEDES-BENZ USA

Shown on model 164.8

Fig 2: Identifying Windshield Washer Nozzle (Shown On Model 164.8)

Courtesy of MERCEDES-BENZ USA

Fig 3: Locating Wiper Blades Park Position

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying HCS (SRA) Switch

Courtesy of MERCEDES-BENZ USA

	Check
	Risk of fire and explosion caused by ignition of window washing fluid or antifreeze and their vapors. Risk of poisoning caused by swallowing window washing fluid or antifreeze or inhaling their vapors. Risk of injury or physical irritations caused by contact of window washing fluid or antifreeze with eyes, mucous membranes or skin.	Wear protective clothing and tight-fitting safety glasses. No fire, naked flames or ignition sources. Avoid contact with eyes, mucous membranes and skin. When working with window washing fluids or antifreeze, do not eat, drink, or smoke. Do not inhale vapors and ensure sufficient ventilation in the working area. Store window washing fluid and antifreeze leakfree in safely closed original containers and out of the reach of children.	AS82.35-Z-0001-01A
	Injury hazard from pinching and crushing, in extreme cases extremities can even be cut off when caught in windshield wiper mechanism.	Always remove ignition key when working on windshield wiper mechanism.	AS82.30-Z-0001-01A
1	Close engine hood
			AR88.40-P-1000RT
2	Close liftgate, doors, sliding roof and side windows
3	Switch on ignition
4	Check function of spray nozzles for windshield washer system on windshield and the setting		AP82.35-P-8252-01RT
		The spray jet must hit the windshield in the marked area. If necessary, correct the spray nozzle setting using an adjusting drift.
		Adjusting tool For clogged up spray nozzle: ↓ Clean spray nozzle using suitable needle and/or blow out with compressed air from inside out or replace spray nozzle subject to separate invoice.	Figure
5	Check function of spray nozzles for windshield washer system on rear window and the setting		AP82.35-P-8252-01RT
		The spray jet must hit the rear window in the marked area. If necessary, correct the spray nozzle setting using an adjusting drift.
		Adjusting tool For spray nozzles that cannot be adjusted and with a deviating spray pattern: ↓ Replace spray nozzle subject to separate repair order. For clogged up spray nozzle: ↓ Clean spray nozzle using suitable needle and/or blow out with compressed air from inside out or replace spray nozzle subject to separate invoice.	Figure
6	Check park position of wiper blades	The wiper blade ends must lie on the markings (arrow C) and may not be offset by more than 10 mm upwards or downwards. In the event of any deviation to the park position: ↓ Check and adjust wiper arms subject to separate repair order.
7	Check setting of wiper arms on windshield	The wiper blades must not come into contact with the A-pillar or cowl. The body or wiper mechanism will otherwise be damaged. Spray water over the windshield washer system on the windshield and switch on wiper at highest setting. If there are problems: ↓ Determine and rectify cause, subject to separate repair order.
8	Check setting of wiper arm on rear window	Wiper blade must not make contact with the liftgate. Otherwise the liftgate or wiper mechanism may be damaged. Spray water over the windshield washer system on the rear window and switch on wiper at highest setting. If there are problems: ↓ Determine and rectify cause, subject to separate repair order.
9	Switch on low beam	Vehicles with CODE 600 (Headlamp cleaning system) or with CODE 615 (Bi-xenon headlamp unit with integrated curve illumination)
10.1	Repeatedly operate windshield washer system and check headlamp cleaning system spray nozzles for proper operation and setting	Vehicles with CODE 600 (Headlamp cleaning system) or with CODE 615 (Bi-xenon headlamp unit with integrated curve illumination) Vehicles without HCS [SRA] switch (S1s7) Repeatedly operate windshield washer system for windshield until the headlamp cleaning system is activated. The spray jet must impact in the light source area on the headlamp lens. Correct setting if necessary.
10.1		Adjusting tool For clogged up spray nozzle: Clean spray nozzle using suitable needle and/or blow out with compressed air from inside out or replace spray nozzle subject to separate invoice. For spray nozzles that cannot be adjusted and with a deviating spray pattern: ↓ Replace spray nozzle subject to separate repair order.	Figure
10.2	Press HCS [SRA] switch (S1s7) and check that headlamp cleaning system spray nozzles for proper function and setting	Vehicles with CODE 600 (Headlamp cleaning system) or with CODE 615 (Bi-xenon headlamp unit with integrated curve illumination) Vehicles with HCS [SRA] switch (S1s7) The spray jet must impact in the light source area on the headlamp lens. Correct setting if necessary.
10.2		Adjusting tool For clogged up spray nozzle: ↓ Clean spray nozzle using suitable needle and/or blow out with compressed air from inside out or replace spray nozzle subject to separate invoice. For spray nozzles that cannot be adjusted and with a deviating spray pattern: ↓ Replace spray nozzle subject to separate repair order.	Figure
11	Switch off low beam	Vehicles with CODE 600 (Headlamp cleaning system) or with CODE 615 (Bi-xenon headlamp unit with integrated curve illumination)
12	Switch off ignition
13	Correct windshield washer system fluid level	Only for service with Plus package.	AP82.35-P-8210RT

Fig 5: Identifying Adjusting Tool (110 589 02 63 00)

Courtesy of MERCEDES-BENZ USA