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

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MODEL 231

Fig 1: Identifying Windshield Washer System

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
2	Close Vario roof, trunk lid, doors and side windows
3	Switch on ignition
4	Checking operation of spray nozzles of windshield wiper system	Do not clean spray nozzles with compressed air. Otherwise damage will occur. Check spray pattern during upward and downward movement of wiper arms. In the event of complaints: ↓ Clean spray nozzles using cleaning cloth or replace spray nozzles subject to separate repair order.
5	Open retractable hardtop and operate windshield washer system again	The delivery rate of the windshield washer system pump is reduced with the retractable hardtop open. This takes place through reduction of the actuation time of the windshield washer system pump. This comfort function prevents the splash water from entering the vehicle interior. If there are problems: ↓ Determine and rectify cause, subject to separate repair order.
6	Close Vario roof
7	Check park position of wiper blades	The wiper blades must not come into contact with the A-pillar or cowl. The body or wiper mechanism will otherwise be damaged. In the event of any deviation to the park position: ↓ Check and adjust wiper arms subject to separate repair order.
8	Check setting of wiper arms	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.
9	Start engine and switch on low beam
10	Operate windshield washer system repeatedly	Press windshield washer system repeatedly until the headlamp cleaning system is activated. The spray jet must impact in the light source area on the lens. 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.
11	Stop engine and switch off low beams
12	Correct fluid level in washer fluid reservoir		AP82.35-P-8210EW
12	Correct fluid level in washer fluid reservoir	Only for service with Plus package.