Mersedes SUV Manuals

Windshield wipers

Mercedes-Benz M-Class / Mercedes-Benz M-Class Owners Manual / Lights and windshield wipers / Windshield wipers

Switching the windshield wipers on/off

Wiper blades are components that are subject WARNING
Wiper blades are components that are subject to wear and tear. Replace the wiper blades twice a year, preferably in the spring and fall.

Otherwise the windows will not be wiped properly. As a result, you may not be able to observe surrounding traffic conditions and could cause an accident.

Do not operate the windshield wipers
Do not operate the windshield wipers when the windshield is dry, as this could damage the wiper blades. Moreover, dust that has collected on the windshield can scratch the glass if wiping takes place when the windshield is dry.

If the windshield wipers leave smears on
If the windshield wipers leave smears on the windshield after the vehicle has been washed in an automatic car wash, wax or other residues may be the reason for this.

Clean the windshield using washer fluid after washing the vehicle in an automatic car wash.

Combination switch
Combination switch

1 2  Intermittent wipe, low Windshield wipers off
2 3  Intermittent wipe, high Intermittent wipe, low
3 4  Continuous wipe, slow Intermittent wipe, high
4 5  Continuous wipe, fast Continuous wipe, slow
5 6  Single wipe Continuous wipe, fast
6 7  To wipe with washer fluid Single wipe
7 - Switch on the ignition. To wipe with washer fluid


- Switch on the ignition.

- Turn the combination switch to the appropriate position or press the button on the side.

Intermittent wiping with rain sensor: due
Intermittent wiping with rain sensor: due to optical influences and the windshield becoming dirty in dry weather conditions, the windshield wipers may be activated inadvertently. This could then damage the windshield wiper blades or scratch the windshield.

For this reason, you should always switch off the windshield wipers in dry weather.

In the position, the appropriate or
wiping frequency is set automatically position, the appropriate
wiping frequency is set automatically according to the intensity of the rain. In the more position, the rain sensor is
more sensitive than in the causing position,
causing the windshield wipers to wipe more frequently.

Switching the rear window wiper on/off

Combination switch
Combination switch

1 2  To wipe with washer fluid Rear window wiper switch
2 3  To switch on intermittent To wipe with washer fluid
3 wiping To switch on intermittent
wiping
4 wiping To switch off intermittent
wiping
5 Ц Turn the SmartKey to position 1 or 2 in the To wipe with washer fluid


Ц Turn the SmartKey to position 1 or 2 in the ignition lock.

Ц Slide switch 1 on the combination switch up or down to the appropriate position.

When the rear window wiper is switched on, the icon appears in the instrument cluster.

Replacing the wiper blades

Important safety notes

For safety reasons, switch off the windshield WARNING
For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-board electronics are in state 0).

Otherwise, the wiper motor could be switched on suddenly and cause injury.

To avoid damaging the wiper blades,
To avoid damaging the wiper blades, make sure that you touch only the wiper arm of the wiper.

Never open the hood if a windshield wiper
Never open the hood if a windshield wiper arm has been folded away from the windshield.

Never fold a windshield wiper arm without a wiper blade back onto the windshield/rear window.

Hold the windshield wiper arm firmly when you change the wiper blade. If you release the windshield wiper arm without a wiper blade and it falls onto the windshield, the windshield may be damaged by the force of the impact.

Mercedes-Benz recommends that you have the wiper blades replaced by a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center.

Changing the windshield wiper blades

Removing the wiper blades

- Remove the SmartKey from the ignition lock.

- Fold the wiper arm away from the windshield.

- Firmly press release knob 1 and pull the


- Firmly press release knob 1 and pull the wiper blade upwards from the wiper arm in the direction of the arrow.

Installing the wiper blades

- Position the new wiper blade in the retainer on the wiper arm and slide it into place in the opposite direction to the arrow.

The wiper blade audibly engages.

- Make sure that wiper blade is seated correctly.

- Fold the wiper arm back onto the windshield.

Replacing the rear window wiper blade

Removing the wiper blade

The wiper arm could be set in motion and WARNING
The wiper arm could be set in motion and injure you if the wiper is switched on.

Remove the key from the ignition lock before replacing the wiper blade.

- Remove the SmartKey from the ignition


- Remove the SmartKey from the ignition lock.

- Fold wiper arm 1 away from the rear window until it engages.

- Position wiper blade 2 at a right angle to wiper arm 1.

- Hold wiper arm 1 and press wiper blade 2 in the direction of the arrow until it releases.

- Remove wiper blade 2.

Installing the wiper blade

- Place new wiper blade 2 onto wiper arm 1.

- Hold wiper arm 1 and press wiper blade 2 in the opposite direction to the arrow until it engages.

- Make sure that wiper blade 2 is seated correctly.

- Position wiper blade 2 parallel to wiper arm 1.

- Fold wiper arm 1 back onto the rear window.

Problems with the windshield wipers

The windshield wipers are obstructed

Leaves or snow, for example, may be obstructing the windshield wiper movement.

The wiper motor has been deactivated.

- For safety reasons, you should remove the SmartKey from the ignition lock.

or
- Switch off the engine using the Start/Stop button and open the driver's door.

- Remove the cause of the obstruction.

- Switch the windshield wipers back on.

The windshield wipers are inoperative

The windshield wiper drive is malfunctioning.

- Select another wiper speed on the combination switch.

- Have the windshield wipers checked at a qualified specialist workshop.

The spray nozzles are misaligned

The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned.

- Have the spray nozzles adjusted at a qualified specialist workshop.

    See also:

    Driving systems
    ...

    Cornering light function
    The cornering light function improves the illumination of the road over a wide angle in the direction you are turning, enabling better visibility in tight bends, for example. It can only be acti ...

    SmartKey positions
    0 To remove the SmartKey 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power supply for all consumers) and drive position 3 To start the engine As soon as the ig ...

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