Assembly overview – windscreen wiper system
Overview shown for a left-hand drive vehicle as an example
1 - Left wiper blade
❏ → Rep. gr.92; Removing and installing wiper blade
2 - Left wiper arm
❏ → Rep. gr.92; Removing and installing wiper arms
❏ → Rep. gr.92; Adjusting wiper arms
3 - Cap
4 - Nut
❏ 30 Nm
5 - Bolt
❏ Note tightening sequence
❏ Qty. 3
❏ Specified torque and tightening sequence → Fig.
6 - Driver side windscreen wiper motor -V216-
❏ → Rep. gr.92; Removing and installing wiper motor [V]
7 - Right wiper blade
❏ → Rep. gr.92; Removing and installing wiper blade
8 - Right wiper arm
❏ → Rep. gr.92; Removing and installing wiper arms
❏ → Rep. gr.92; Adjusting wiper arms
9 - Bolt
❏ Note tightening sequence
❏ Qty. 3
❏ Specified torque and tightening sequence → Fig.
10 - Front passenger side windscreen wiper motor -V217-
11 - Nut
❏ 30 Nm
12 - Cap
Removing and installing windscreen wiper motor - specified torque and tightening sequence
StageComponentSpecified torque/turning further angle1 -1-, -2- and -3- Screw in by hand as far as stop2 -1-, -2- and -3- 8 Nm
Moving wipers to service position
NOTICE
The bonnet can be damaged if the wipers are allowed to run back to the park position.
– Never move the vehicle when the wiper arms are lifted up off the windscreen.
NOTICE
Risk of damage if frozen wiper blades are moved.
– Allow wiper blades to thaw before operating wipers.
Note
Wiper motor only runs when bonnet is completely closed.
– Switch ignition on and then off again.
– Press wiper lever to touch wipe position within 10 seconds.
Removing and installing wiper blade
NOTICE
Risk of damage to windscreen.
– Make sure wiper arm does not drop back into position unintentionally.
NOTICE
Risk of damage to wiper blade.
– When lifting wiper blades off windscreen, only take hold of them in vicinity of wiper blade mounting.
– Avoid bending wiper arm and wiper blade.
Removing
– → Rep. gr.92; Move wipers to service position.
– Lift wiper arm off windscreen.
– Release retaining clip in direction of -arrow A-.
– Pull wiper blade -1- off wiper arm -2- in direction of -arrow B-.
Installing
Installation is carried out in reverse order; note the following:
– Insert wiper blade -1- into wiper arm -2- in direction of -arrow-, keeping it parallel.
– Slide wiper blade -1- into wiper arm -2- until retaining clip engages audibly.
– Operate touch wipe function to leave service position.
Removing and installing wiper arms
Special tools and workshop equipment required
♦ puller -T10369/5-
Removal and installation are described for a left-hand drive vehicle as an example.
Removing
– → Rep. gr.92; Move wipers to service position.
– Using suitable screwdriver, lever caps -3- off wiper arms -1-.
– Loosen nuts -2- a few turns.
– Move wiper arms -1- to upper turning point.
– Mount puller -T10369/5- -A- on wiper arm -1-.
– Position thrust piece -3- on wiper motor shaft.
– Turn spindle -2- clockwise until wiper arm -1- is pulled off wiper motor shaft.
– Remove puller -A- from wiper arm -1-.
– Unscrew nut.
– Remove wiper arm -1-.
Installing
Install in reverse order of removal, observing the following:
– Switch on ignition.
– Actuate “flick wipe” function and allow wiper arms to move to their end position.
– Fit both wiper arms in approximate park positions on wiper arm shafts.
– Loosely screw on nuts of wiper arms.
– → Rep. gr.92; Adjust wiper arms.
Tightening torques
♦ → Rep. gr.92; Assembly overview – windscreen wiper system
Adjusting wiper arms
Procedure
The adjustment procedure is described for a left-hand drive vehicle as an example.
– Activate vehicle’s drive system.
– Actuate “flick wipe” function and allow wiper arms to move to their end position.
– Deactivate vehicle’s drive system.
– Loosen wiper arms → Rep. gr.92; Removing and installing wiper arms.
– Adjust wiper arms.
Driver side
Distance -a- between end of wiper blade and plenum chamber cover -2- at bottom edge of windscreen must be 70 mm.
– Adjust wiper blade park position by repositioning wiper arm -1- if necessary.
All vehicles (continued)
Passenger side
Distance -a- between end of wiper blade and plenum chamber cover -2- at bottom edge of windscreen must be 15 mm.
– Adjust wiper blade park position by repositioning wiper arm -1- if necessary.
All vehicles (continued)
– Tighten nuts of wiper arms.
– Activate vehicle’s drive system.
– Actuate “flick wipe” function and allow wiper arms to move to their end position.
– Deactivate vehicle’s drive system.
– Check wiper arm adjustment again, and correct it if necessary.
– Press caps -3- onto wiper arms.
Tightening torques
♦ → Rep. gr.92; Assembly overview – windscreen wiper system
Removing and installing wiper motor
NOTICE
Risk of malfunction of the wiper system.
– When the wiper motor is renewed, only wiper motors of the same software version may be used.
Driver side windscreen wiper motor -V216- and front passenger side windscreen wiper motor -V217- will henceforth be referred to as “wiper motor”.
Removal and installation are described for a left-hand drive vehicle as an example.
Removing
If renewing wiper motor:
– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.
Continued
– Remove plenum chamber cover → General body repairs, exterior; Rep. gr.50; Plenum chamber bulkhead; Removing and installing plenum chamber cover.
– Unscrew bolts -2-.
– Disconnect electrical connector -3-.
– If fitted, disconnect connector of electronic damping control.
– Remove rear window wiper motor -1-.
Installing
Install in the reverse order of removal, observing the following:
If wiper motor has been renewed:
– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.
Continued
Tightening torques
♦ → Rep. gr.92; Adjusting wiper arms
♦ → Rep. gr.92; Assembly overview – windscreen wiper system
Removing and installing rain and light sensor [G397]
Rain and light sensor -G397- with humidity sender for air conditioning system -G260- and sunlight penetration photosensor -G107- are referred to hereafter as sensor.
Removing
If sensor is renewed:
– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.
Continued
– Remove interior mirror → General body repairs, interior; Rep. gr.68; Interior mirror; Removing and installing interior mirror.
– Disconnect electrical connector -3-.
– Release fasteners -arrows-.
NOTICE
Risk of damage to the coupling pad if removal is done too abruptly.
– Wait at least 1 minute to allow the coupling pad to decompress.
– Starting from top, carefully remove sensor -2- from retaining plate for interior mirror.
– Remove sensor -2-.
Installing
Install in the reverse order of removal, observing the following:
– Thoroughly clean windscreen in area of interior mirror retaining plate.
Removed sensor:
– Pull off coupling pad -2- in direction of -arrow-.
NOTICE
Risk of damage to silicone layer of rain and light sensor.
– Clean the surface of the rain and light sensor thoroughly.
– Clean sensor -1- by sticking and then peeling off one or several commercially available adhesive strips on bonding surface of sensor -1-.
– Clean bonding surface of sensor -1- with lint-free cleaning cloth.
– Pull silicone paper -1- off coupling pad -3-.
Important
● Protective film -2- must remain on coupling pad -3-.
– With aid of protective film -1-, position coupling pad -2- centrally on sensor -3-.
– Press on coupling pad -2- with protective film -1- free of bubbles.
– Pull off protective film -2-.
All vehicles (continued)
New sensor:
– Press grip in direction of arrows -A-.
– Remove protective cap -1- in direction of -arrow B-.
All vehicles (continued)
– Insert sensor -2- in retaining plate for interior mirror.
NOTICE
Malfunctions of rain and light sensor.
– If the contact surface is not free of bubbles after 10 minutes, the rain and light sensor must be removed and inserted anew.
Important
● Retaining clip -1- must engage audibly.
– Press on retaining clip.
– Connect electrical connector -3-.
If sensor has been renewed:
– Carry out required function/functions using → Vehicle diagnostic tester → Rep. gr.00; Access to diagnoses.
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