All Terrain Rear Wiper Washer Delay S213
Thread Starter
Member
Joined: Jun 2003
Posts: 223
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1973 280SEL 4.5; 2021 E450S4 Wagon
All Terrain Rear Wiper Washer Delay S213
When activating the rear washer, the fluid doesn't spray until after 1 1/2 wiper sweeps across the dirty, gritty glass.
I seem to recall the water sprayed first in my s212.
Anyone know the order of events in the A/T? I'm wondering if there's a faulty check valve causing the fluid to delay.
Thanks!
I seem to recall the water sprayed first in my s212.
Anyone know the order of events in the A/T? I'm wondering if there's a faulty check valve causing the fluid to delay.
Thanks!
MBWorld God!
Joined: Dec 2019
Posts: 32,558
Likes: 6,364
When activating the rear washer, the fluid doesn't spray until after 1 1/2 wiper sweeps across the dirty, gritty glass.
I seem to recall the water sprayed first in my s212.
Anyone know the order of events in the A/T? I'm wondering if there's a faulty check valve causing the fluid to delay.
Thanks!
I seem to recall the water sprayed first in my s212.
Anyone know the order of events in the A/T? I'm wondering if there's a faulty check valve causing the fluid to delay.
Thanks!
Thread Starter
Member
Joined: Jun 2003
Posts: 223
Likes: 66
1973 280SEL 4.5; 2021 E450S4 Wagon
I am guessing it takes time to bring the fluid up, what windshield washer fluid do you use? I wonder if that plays a role in the delay as well, I seen it pretty common on the E-Class with or without magic vision. I am not saying it is normal or not but it is common for the front. Since you specifically mentioned the rear wipers, it might be due to the same issue.
I thought there should be either a check valve and/or delay before the wiper sweeps after the fluid is sprayed.
MBWorld God!
Joined: Dec 2019
Posts: 32,558
Likes: 6,364
It also depends on how frequent you use the washer function and so if the fluid has already fell back to the reservoir. I am not aware of a check valve and/or delay but there might be.
