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Home >> Mercedes Benz >> 2013 >> GL63 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 166 Chassis - 2 Of 4 >> Maintenance >> Windshield Wipers, Windshield Washer System And Headlamp Cleaning System - Function Check - AP82.30-P-8252GZ

Windshield Wipers, Windshield Washer System And Headlamp Cleaning System - Function Check - AP82.30-P-8252GZ

MODEL 164 

MODEL 166 

MODEL 164 

Fig 1: Identifying Spray Jet Impact Areas On Windshield
G09983097Courtesy of MERCEDES-BENZ USA

MODEL 166 

Fig 2: Identifying Spray Jet Impact Areas On Windshield
G09983098Courtesy of MERCEDES-BENZ USA

Shown on model 164.8 

Fig 3: Identifying Spray Jet Impact Area On Rear Window - Shown On Model 164.8
G09983099Courtesy of MERCEDES-BENZ USA

Illustrated on model 251 

Fig 4: Identifying Spray Jet Impact Area On Rear Window - Illustrated On Model 251
G09983100Courtesy of MERCEDES-BENZ USA

MODEL 164.1/8 up to 31.5.07 with CODE (600) Headlamp cleaning system 

Fig 5: Locating Park Position Marking Of Wiper Blades On Windshield
G09983101Courtesy of MERCEDES-BENZ USA
INSPECT Check     
DANGER 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 leak free in safely closed original containers and out of the reach of children. AS82.35-Z-0001-01A
DANGER 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    
REFER TO TESTING & REPAIR MODEL 164 AR88.40-P-1000GZ
REFER TO TESTING & REPAIR MODEL 166 AR88.40-P-1000GQ
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 IMPORTANT The spray jet must hit the windshield in the marked area.
Correct setting if necessary.
Model 164: With SPECIAL TOOL adjusting drift.
Model 166: Use suitable flat tip screwdriver.
 
SPECIAL TOOL 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.
Fig 6
5 Check function of spray nozzles for windshield washer system on rear window and the setting IMPORTANT The spray jet must hit the rear window in the marked area.
Model 164: If necessary check the setting of the spray nozzles using SPECIAL TOOL check with adjusting drift.
Model 166: The rear window spray nozzle is not adjustable.
 
SPECIAL TOOL Adjusting tool
Model 166 for 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.
Fig 6
6 Check park position of wiper blades IMPORTANT The wiper blade ends must lie on the markings "C" (see arrows) 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 NOTES
The wiper blades must not come into contact with the A-pillar or cowl.
The body or wiper mechanism will otherwise be damaged.
IMPORTANT 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 NOTES
Wiper blade must not contact the rear-end door.
Otherwise the rear-end door or the wiper mechanism may be damaged.
IMPORTANT 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 IMPORTANT Vehicles with xenon headlamps or with code (600) Headlamp cleaning system.  
10 Check spray nozzles of headlamp cleaning system for proper operation and setting IMPORTANT Vehicles with xenon headlamps or with code (600) Headlamp cleaning system. MODEL 164.1/8 up to 31.5.07: Press HCS [SRA] switch (S1s7).
MODEL 164.1/8 as of 01.6.07, model 166:
Repeatedly press windshield washer system of windshield until the HCS is activated.
The spray jet must impact in the light source area on the headlamp lens.
Correct setting if necessary.
 
SPECIAL TOOL 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.
Fig 6
11 Switch off ignition and low beams    
12 Correct windshield washer system fluid level   AP82.35-P-8210GZ 
Fig 6: Identifying Adjusting Tool (110 589 02 63 00)
G07628173Courtesy of MERCEDES-BENZ USA