1987 300TD, with 87K miles - the wiper arm stops about 2/3 to the right when set on intermittent wipe.

The problem started about 30 minutes into use during a rainstorm - the wiper arm suddenly stopped in mid cycle. The wiper remains fully functional in low and high speed settings but stops mid cycle in intermittent. The arm also now parks in that same position when the wiper is turned off, regardless of speed setting selected.

Switched out the wiper relay with a new unit, without success.

Turn signal combo switch defective?

It is probably the park switch in the wiper motor. I have never seen one in person but I know it is there.

Paul

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84 500 SEL (307,xxx miles)

Mine was a simple lubrication under the plastic cover!

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Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta

Multipurpose combination relay solder joints are bad.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

Multipurpose combo relay?

My wiper has parked at 2 oclock since I bought it (95 e320). So this relay is causing the failure to park?

Where, pray tell, is this relay?

Highly interested. I have a soldering iron and I know how to make it melt stuff.

Kent

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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

In the fuse box.

Relay MB# 201 821 02 47


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Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
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1985 300SD
1983 300D
1984 190D
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MONO BLADE VERTICAL parked windshield wiper
windshield wiper

Hesitating Wiper Repair
202Tech - Hesitating Wiper Fix

How to grease 300E wiper gearbox
How to grease 300E wiper gearbox - PeachParts Mercedes ShopForum

Can you lube a single wiper mechanism??
Can you lube a single wiper mechanism?? - PeachParts Mercedes ShopForum

adjustable intermittent wipers "W201 this relay controls wipers, and turn signal flasher".
adjustable intermittent wipers - PeachParts Mercedes ShopForum


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__________________
ASE Master Mechanic
asemastermechanic@juno.com

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
1984 190D
2003 Volvo V70
2002 Honda Civic

https://www.boldegoist.com/

My Relay is off by one number. Wonder if that is the problem?

I couldn't see any solder weakness or wear. So I didn't start melting things. Posted the pics so that if I missed some, you guys could chime in.

Only issue is that when I turn off the wiper, it stops at 2 oclock instead of 3. The stalk is brand new (thanks to fastlane).

Only thing I see is post 30 looks like its got an issue.



Great day, that relay, when you turn the 2 into a 0, goes from $60 to $175. I hope it is the wrong one....but I kinda doubt it.

http://forums.mercedesclub.org.uk/showthread.php?t=32945

But Apparently they do the same thing. Just Trust Roy. JTR. Just Trust Roy.

__________________

77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

My w201 is doing this. I swapped the relay with a known good one with no change. I'm waiting for a new stalk to come.

I've already done the stalk. My relay does appear to be good. Hmmmm

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77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

If your stalk fixes it please let the thread know.

__________________

77' 300D, "Cartman" SOLD @ 150K (didn't know what I had)
83' 300SD, "The Superdon" 325k+ @ 28mpg
95 E320 wagon, "Millennium Falcon" 231k+ @ 24 Mpg
95 E300D, "Sherley" 308k @ 33.69 Mpg, currently anticipating a head
99 Suzuki Intruder "Trudy" @ 45 mpg

You can't really visually OK a relay because the issues are based around microfactures in the solder....

Verify part # via EPC since we have conflicting part #'s in this thread. It is possible somebody swapped it before...but I would lean towards the EPC showing the same part number as you have. Could also be a succeeded part.
Do a solder touch up. As long as you do it carefully, you can't really screw it up. Worst thing that could happen is it runs which you can fix with another touch up.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

The chances of the problem being soldier micro-fractures are significantly greater when you're talking about a diesel.

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Peach Parts W124.128 User Group.

80 280SL
85 300SD
87 300TD
92 300D 2.5 Turbo
92 300TE 4Matic

At the risk of being redundant, I'll just go ahead and point out that you're an invaluable resource here Mr. Hunter.

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Peach Parts W124.128 User Group.

80 280SL
85 300SD
87 300TD
92 300D 2.5 Turbo
92 300TE 4Matic