Why does my Mercedes windshield wiper stop working?

The goal of this article is to address Mercedes-Benz related windshield wiper problems that you may face. Here is a list of possible issues: I- Windshield wiper motor runs, but the arms don’t move. The gear teeth on the shaft of the wiper motor may wear out and cause the wipers to stop moving. Other possibilities that can cause these symptoms are:

What are the most common windshield wiper problems?

Mercedes Wiper Problems Go to top 1 I- Windshield wiper motor runs, but the arms don’t move. 2 II- Turn Signal, Horn, Wipers all have stopped working. 3 III- Installed new wipers and the wipers stopped working. 4 IV- Wiper hesitates to move or move very slowly. 5 V- Mercedes Windshield Wipers work erratically. …

Where is the plug for the windshield wiper motor?

If you are not getting power to the plug that goes into the windshield wiper motor, then you need to do some further troubleshooting. The next item to inspect would be the windshield wiper switch or what is also called the combination switch. The combination switch is located in the steering column.

Where is the fuse on a Mercedes windshield washer?

It could also be in the fuse box under the rear seat in some models. Find the fuse that belongs to the windshield washer fluid motor. Pull it out and make sure it make sure it is not burned out. Use a digital multimeter to check if the power goes to the windshield pump. You need to set your multimeter to measure DC 20-volt mode.

What are the problems with the Mercedes wipers?

Here is a list of possible issues: 1 Mercedes Wipers Not Working 2 Windshield Wiper Switch Stopped Working 3 Mercedes Windshield Wiper Stays Running / Won’t Stop 4 Mercedes Benz windshield wipers not working 5 Mercedes windshield wiper problem 6 Mercedes E, S, C Class Wipers quit moving 7 Mercedes Wipers stuck on top More

Why are the wipers on my C320 wagon not turning off?

I have a 2002 C320 Wagon and the wipers won’t turn off. Intermediate, normal and fast settings work normally, but back in the off position the wipers continue to operate as if in normal continuous mode. Wiper fuse is ok. Swapped the relays around and problem persists.

Where are the fuses on a Mercedes windshield wiper?

Your Mercedes-Benz has three to four fuse boxes. They are located on the side of the dashboard, engine bay, rear seat or even in the trunk. Find the fuse chart for your car and locate the corresponding fuse for the windshield wiper motor. Make sure the fuse is not burned out.

How can I tell if my windshield wipers are working?

Set your multimeter to measure DC Voltage. Unplug the power cable from the windshield wiper motor and check for power. Make sure you are pressing the windshield wiper switch to activate the wipers, or you will never get any reading. Step 3: If power is going to the windshield wiper motor you should get a reading between 11 and 14 volts.

What should I use to lubricate my Mercedes wiper?

-a slow wiper movement as the wiper moves on the windshield. You should lubricate the wiper mechanism at the center (bottom) of the windscreen. Remove the cover from the wiper arm and use a lithium grease such as Liquid Wrench White Lithium Grease. Here is a helpful tutorial on how to lubricate windshield wiper mechanism on a Mercedes-Benz.

What does it mean when your windshield wipers wont turn off?

A failed relay can mean the wipers won’t work at all, or they may continue to work even when turned off. Changing the wiper relay is the easiest approach and it might solve your problem. Wiper relays usually cost less than $20.

How does the wiper arm work on a car?

When you activate your windshield wipers, electricity is sent to the wiper motor, which in turn activates the linkage, and then operates the wiper arm to move the wiper blades across the windshield. The entire system is controlled by a windshield wiper module. Some mechanics refer to the wiper module as the wiper governor module.

How do you replace the wiper on a Mercedes Benz?

Step Three-Five: Remove the wiper blade, arm and the transmission cover. Remove the 5mm hex head bolt, then slide the wiper arm off the post. This can be kind of tough. Keep in mind there are springs behind the arm, if you pull the arm away from the windshield these springs will tend to push the block that is on the post towards the windshield.

Where can I buy a new windshield wiper motor?

Most other posters seem to have bought this part from AutohausAZ. Auto Haus’ site says the part “lists” for $150 and they sell it for $96.21, and it was on sale for $91.40 when I searched it. They only list one part, but there are apparently two types of motor. One is for VIN serials through A644281, the other is for VIN serials from A644282.

Are there two types of windshield wiper motor?

They only list one part, but there are apparently two types of motor. One is for VIN serials through A644281, the other is for VIN serials from A644282. I honestly do not see why these can not be interchanged. Autozone, O’Reilly, and Advance Auto all list only one OEM replacement, but list two refurbished models.

What to do if your windshield wiper is not working?

Make sure that the link between the wipers and the wiper motor is not broken. Next, try tightening the bolt that holds the wiper arm in place. It is possible that there is a problem with the controller area network or the front signal acquisition module (SAM).

How do you turn off the wipers on a C180?

Hello, My C180 has exactly the same problems as you describe. – The only way for me to turn the wipers off is when the wipers reach the rest position you have to turn off the ignition key whilst driving, take the key out, put it back in and start the engine again (all whilst driving along the road). Then the wipers stay in the off position.

Why are my windshield wipers not working on my Mercedes C230?

Assume on/off relay is probably fine because there is some functionality. Hood latch sensor issue ruled out because wipers did not work while driving over 5kmh. By process of elimination I assumed combo switch is faulty. My 2004 mercedes Benz c230 windshield wipers do not work.

When do windshield wipers stop working but can hear motor?

It’s an alarming experience when your wipers stop working in a heavy downpour, especially at highway speeds. You don’t miss wipers until they don’t work. Windshield wipers not working but can hear motor? When your wipers stop working, and you can hear the wiper motor running. The problem is most likely a disconnected wiper motor link arm.

Why are the wiper blades on my car not working?

Your wiper blades are torn. The condition of your wiper blades is directly related to how well your windshield wipers work. If the rubber edges on your wiper blades are torn, the wiper will not make proper contact with the windshield to clear moisture or debris away.

What happens if the intermittent wiper switch fails?

However, when one part malfunctions, it can cause potential safety concerns. One of the most common parts to fail is the intermittent wiper relay switch. The electronic relays that are installed in today’s cars, trucks and SUV’s have to operate in very hot and grueling conditions or are subject to constant abuse.

What happens if you take the arm off a windshield wiper?

Keep in mind there are springs behind the arm, if you pull the arm away from the windshield these springs will tend to push the block that is on the post towards the windshield. Pulling the arm off in this manner could risk damaging your windshield, even if you place something on the windshield to prevent this. Just be careful.

Why is my windshield wiper not working properly?

If your windshield wiper sticks, stalls, slows down, etc, a very likely cause of the problem is a bad motor. The root cause of that is two gears inside becoming damaged.

What are the symptoms of a bad intermittent wiper relay?

1. The windshield wiper blades have one speed 2. The windshield wiper blades don’t work 3. Wiper blades operate at speeds different than you selected 4. Humming noise when the wipers are on

When do you need to replace the windshield wiper motor?

However, if you turn your wiper blades off and the blades stay in the same position on your windshield, blocking your view, this is typically a problem with the motor and often results in needing to replace the windshield washer motor. The windshield wiper motor is usually not a part that is repaired.

What are the symptoms of a bad windshield wiper module?

There are a few warning signs that will signal that you may have a bad or failing wiper module. Listed below are some of the symptoms that you should consider. 1. Wiper blades won’t turn on or off The wiper module’s primary job is to send a signal to the wiper motor which powers the wiper blades.

Why is my windshield wiper not working on my car?

Replace the windshield wiper motor right away. The windshield wiper fuse is burnt out. When the windshield wiper motor is overloaded, the associated fuse burns out. The fuse is designed to be a weak spot in the windshield wiper circuit.

When do you turn on your windshield wipers?

Most of the time, your windshield wipers just sit at the base of the windshield, forgotten — until the weather changes for the worse. Then you turn the wipers on, expecting them to perform flawlessly. Whether it’s rain, snow or sleet, you depend on the windshield wipers to help you drive safely in inclement weather.

How are windshield washer blades attached to the wipers?

The rotary motion of your spinning wiper motor is converted to the back-and-forth motion of the wipers by a linkage that is somewhat similar to what you would see on a steam locomotive. The rubber blades attached to the wiper arms then clear your windshield. Your windshield washer system backs up the proper operation of your wipers.

How can I change the position of the wiper against the motor?

There is something to set. You have to change the position of the wiper against the motor. You will have to unmount the whole mechanism from car. And at the back of that you will be have the view, like this Look at the position of arm marked by red. This is position similar to yours.

Where is the fuse for the windshield wiper motor?

They are located on the side of the dashboard, engine bay, rear seat or even in the trunk. Find the fuse chart for your car and locate the corresponding fuse for the windshield wiper motor. Make sure the fuse is not burned out.

What should I do if my windshield wiper arms are broken?

Windshield wiper arms or linkage broken. The bolt that holds the wiper arms in place is loose. Make sure that the link between the wipers and the wiper motor is not broken. Next, try tightening the bolt that holds the wiper arm in place.

What to do if your Mercedes wiper arm is stuck?

Mercedes wiper’s arm stuck up. If your Mercedes-Benz wiper arm is stuck up, turn on the ignition. Turn on the wipers and see if they move. If not, check the windshield wiper fuse and relay. If both are bad, there is a good chance the wiper motor is defective and needs to be replaced.

Where is the wiper motor on a C280?

Like most executive cars, the C280 windshield wiper motor powers the arms of the wiper blades. The wiper motor vibrates when active and may be heard from inside the vehicle. The wiper motor resides on the bulkhead near the intake grating. In order to remove the wiper motor, you have to remove the wiper arms and the intake grating.

How do you change the wiper motor on a car?

Line up the bolts of the wiper motor with the holes on the bulkhead. Hand-tighten the bolts into position before making them snug using the socket wrench. Plug in the power cord to the new wiper motor. Replace the intake grating, the plastic cover pins over the screws, the wiper arms, and the rubber stoppers over the arms.

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