
With the headlights turned on, press the windshield cleaning button five times consecutively. Below is relevant information: 1. Headlight Cleaning Function: The headlight cleaning system features a water outlet located below the headlights, allowing for the removal of dust and dirt from the headlights at any time. This function is typically available in more high-end vehicle models. 2. Notes: Currently, laws in many countries mandate the installation of a headlight cleaning system in vehicles. The headlight cleaning system primarily employs high-pressure spraying, with cleaning effectiveness largely dependent on the distance between the nozzle and the lens, the size of water droplets, the contact angle, the speed of water spray, and the volume of water sprayed.

















Operating the headlight cleaning function on a is quite simple. You just need to turn on the headlights after starting the vehicle, then pull the windshield wiper stalk—the control lever on the right side of the steering wheel—toward you once. This will spray water to clean the windshield while simultaneously activating the headlight cleaning system. Mercedes' design is quite smart—it usually synchronizes headlight cleaning when the headlights are on, helping to prevent dust from affecting nighttime driving safety. If you're unsure, you can check the owner's manual, which details how to operate each button. Remember to regularly check the washer fluid level to avoid running out, and use antifreeze fluid in cold weather. From personal experience, this feature is especially useful during rainy days or long trips, helping maintain clear visibility and reducing accident risks.

As a long-time owner, I've used the headlight cleaning function multiple times. After starting the engine and turning on the headlights, simply operate the windshield wiper stalk: gently pull it toward yourself, and it will activate both the windshield and headlight cleaning systems simultaneously. The Mercedes system is very reliable, automatically responding without needing a separate button. I've encountered situations where the function didn't work due to insufficient cleaning fluid, so I recommend checking and refilling the reservoir every season. Operate the stalk gently to avoid it getting stuck. Although the headlight cleaning feature may seem minor, it significantly improves nighttime visibility, especially on dusty rural roads where the effect is particularly noticeable. Making it a habit also helps prolong the lifespan of your headlights.

The headlight cleaning feature in is straightforward to activate. After starting the vehicle and turning on the headlights, simply pull the windshield wiper stalk to trigger the automatic headlight cleaning system. This convenient feature eliminates the need for additional settings. In daily use, remember that the operation is only effective when the headlights are on. Some newer models even come with integrated automatic sensing functionality. The operation is simple and gets the job done in one step. The key point is to perform regular maintenance to prevent clogging.

To activate the headlight cleaning system, ensure the headlights are on after starting the engine, then pull the washing lever on the right side of the steering wheel toward yourself once to initiate the cleaning process. This procedure simultaneously cleans both the windshield and headlights, ensuring light sources remain unobstructed by dirt, which is crucial for safe nighttime driving. Regularly check the washer fluid reservoir to prevent it from running dry, and use professional cleaning agents to protect the headlight surfaces. Prioritize safety by performing this operation promptly to maintain clear visibility.

When driving a , I find the headlight cleaning system very convenient to operate: start the vehicle and turn on the headlights, then pull the windshield wiper lever to immediately activate the cleaning function, which handles both the windshield and headlights simultaneously. In practice, it saves time and effort, and there's no need to worry about button malfunctions. It is recommended to check the washer fluid level weekly and top up with appropriate fluid to extend the system's lifespan and reduce maintenance costs. Smooth operation is key to avoid damaging the control lever by applying excessive force. During family trips, this small step can significantly enhance driving safety, especially in low-light conditions where it is crucial.


