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Home >> Mercedes Benz >> 2017 >> E400 Base, 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 207 Chassis - 3 Of 4 >> Maintenance >> Windshield wipers, windshield washer system and headlamp cleaning system - function check - AP82.30-P-8252EW

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

MODEL 207, 212, 218 

Illustration shows model 212.002 

Fig 1: Identifying Windshield Spray Jet Impact Areas
G10038227Courtesy of MERCEDES-BENZ USA
Fig 2: Locating Wiper Arms Park Position
G10038228Courtesy of MERCEDES-BENZ USA

Park position of wiper arms, shown on model 204.9 

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 leakfree 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 MODEL 207, 212, 218  
REFER TO TESTING & REPAIR   MODEL 207, 212
IMPORTANT MODEL 207, 212
with CODE U60 (Pedestrian protection)
The clamping lever must be fitted and locked.
AR88.40-P-1000EW
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-8252-01EW
IMPORTANT The spray jet must hit the windshield in the marked area. Correct the adjustment if necessary.  
SPECIAL TOOL Adjustment 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 3
5 Check function of spray nozzles for windshield washer system on rear window and the setting MODEL 212.2, 218.9
IMPORTANT Spray jet must spread out across the center of the rear window. Correct setting if necessary.
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.
 
6 Check park position of wiper blades IMPORTANT The ends of the wiper blades should be positioned on the "A" and "B" markings (see arrowsFigure) on the windshield and may be offset downward or upward by a maximum of 10 mm.
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.
 
REFER TO DESCRIPTION & OPERATION Service Information Bulletin: Wiper blades MODEL 212 SI82.30-P-0011B
8 Check setting of wiper arm on rear window MODEL 212.2, 218.9
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. 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.
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 Switch off ignition and low beams    
12 Correct the fluid level in the windshield washer system reservoir   AP82.35-P-8210EW 
IMPORTANT Only for service A with Plus package  
Fig 3: Identifying Adjustment Tool (001 589 02 16 00)
G10038229Courtesy of MERCEDES-BENZ USA