Why are my front washers not working on my Mercedes?
Pump failure is uncommon. A complete blockage of the front washers would either be at some point in the line common to both sides, or concurrent blockage of all the jets (which is possible but unlikely).
What to do if your Mercedes washer is leaking?
How to fix a leak on Mercedes windshield washer fluid line. The first thing you should do is to make sure the washer fluid pump runs when you press the windshield sprayer switch. In most cases, the pump works, but no water gets sprayed on the windscreen. Locate the fluid leak.
Where can I buy a new Mercedes windshield washer pump?
New replacement windshield washer pump can be purchased on Amazon. If you would rather save even more money, you can purchase a used Mercedes windshield washer pump on eBay (eBay link).
What should I do if my windshield washer pump does not work?
If there is power at the plug but the windshield washer pump does not work the next step would be to test the windshield washer pump (motor). You can feel 12 volt to the pump and try to run it for a couple of seconds. If you conclude that the washer pump is defective you can replace it with a new one. Usually, the pumps are easy to replace.
Pump failure is uncommon. A complete blockage of the front washers would either be at some point in the line common to both sides, or concurrent blockage of all the jets (which is possible but unlikely).
How to fix a leak on Mercedes windshield washer fluid line. The first thing you should do is to make sure the washer fluid pump runs when you press the windshield sprayer switch. In most cases, the pump works, but no water gets sprayed on the windscreen. Locate the fluid leak.
New replacement windshield washer pump can be purchased on Amazon. If you would rather save even more money, you can purchase a used Mercedes windshield washer pump on eBay (eBay link).
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.