new member hi too everyone have 95 s280 wiper problem wipers work for 4/5 minutes when turned on they stop working till the next day same next day they will work with a quick turn off and on all day changed relay same thing any ideas thks
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w140 doesn't have mono wiper. I suspect wiper relay could be to blame. If you're ok with soldering - take it out, take off cover and resolder all joints.
edit: didn't see you changed the relay. that leaves bad contact in stalk or at fuse?
edit: didn't see you changed the relay. that leaves bad contact in stalk or at fuse?
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Thanks, I did incorrectly read that as a c class, however the W140 does have a similar but smaller mechanism, do you know if it were not lubricated would it cause this problem.
Dec
Brigadier did correctly state that your mechanism is different to the one in video, however remove the wiper arm cover and give it some lubrication.
Dec
millo777
MB Enthusiast
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- 1997 W140 S600L/2003 S211 320cdi
You may have to work through the problem logically, isolating each component until you find the onw givign you the problem. Is there any way you can swap the relay with a known good item for a few days?
With the fuses, I'd consider just replacing them. They cost pennies, and cleaning doesn't always work as well as you might think.
Does the wiper do this on all settings, includign intermittant? There is a rain sensor that works on the intermittant setting, so perhaps that could be the problem?
Is there an easy way of connecting power directly to the motor to check the mechanism and motor are working properly to elimate those. PITA with the battery int he boot I know, but a power probe would do the job and would a useful tool to get if you haven't got one already.
Apologies for the random thoughts in no logical order. Hopefully someone with more experience in electrics will chip in soon.
With the fuses, I'd consider just replacing them. They cost pennies, and cleaning doesn't always work as well as you might think.
Does the wiper do this on all settings, includign intermittant? There is a rain sensor that works on the intermittant setting, so perhaps that could be the problem?
Is there an easy way of connecting power directly to the motor to check the mechanism and motor are working properly to elimate those. PITA with the battery int he boot I know, but a power probe would do the job and would a useful tool to get if you haven't got one already.
Apologies for the random thoughts in no logical order. Hopefully someone with more experience in electrics will chip in soon.
work the same on all settings but it will be back working tomorrow its seems it is cutting itself out after 4/5 minutes on normal and i get around 10/ minutes out of intermittant drove 5 series they dont have a patch on this thks millo777
Is this the relay you changed?
See... Wiper Relay Mercedes W140 S400 S430 S500 S600 1991 1992 1993 1994 1995 1996 | eBay
Dec
See... Wiper Relay Mercedes W140 S400 S430 S500 S600 1991 1992 1993 1994 1995 1996 | eBay
Dec
Did you try lubricating the arm?
Can be done by removing the cover.
See here… w140 Story by Jasonation :: W140 Wiper arm with gear lift (??? ?) ??? ??
Dec
Can be done by removing the cover.
See here… w140 Story by Jasonation :: W140 Wiper arm with gear lift (??? ?) ??? ??
Dec
Also...Is there any possibility that when the wiper blades stop sweeping the screen that the wiper motor is still running, this can sometimes happen if gears inside the motor are damaged.
When the wipers stop sweeping the screen, do the stop in the same place every time?
If the wiper blades stop and the motor is still running, you would not hear the motor running from inside the car, you would need to open the bonnet and listen for a whine from the motor…with the engine off and with the ignition on.
Dec
When the wipers stop sweeping the screen, do the stop in the same place every time?
If the wiper blades stop and the motor is still running, you would not hear the motor running from inside the car, you would need to open the bonnet and listen for a whine from the motor…with the engine off and with the ignition on.
Dec
I didn’t see the above before… 3 years of non use!... that makes it very very likely that the fault is a lubrication issue.
Use WD40 or a penetrating oil, initially, on every thing in/on that mechanism arm for now, follow up later with lithium grease, I bet that arm is the problem.
Dec
