headlamp washer without the separate button next to headlight switch?




This may have been only on cars built for the North American market.
Cost cutting? maybe.
This may have been only on cars built for the North American market.
Cost cutting? maybe.




The convenient auto wash (every 3rd wash cycle of the main windscreen triggers the washing of the headlights) feature was already present in the early model years, thus in my opinion this deletion was surely a cost cutting issue. I don't see the "improvement" of removing the option of when you want to wash your headlights?




The convenient auto wash (every 3rd wash cycle of the main windscreen triggers the washing of the headlights) feature was already present in the early model years, thus in my opinion this deletion was surely a cost cutting issue. I don't see the "improvement" of removing the option of when you want to wash your headlights?
i never use it. i rather have that clean bumper look. actually though, when shopping for a car (04 or 05), i really wanted the BiXenon, so it was nice knowing that if it had washers, it had the xenon (from online pics).
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Strange. I have an '08 (March 2008 build date) with Xenons, no wash button.
Also, the headlamp washers will only work when the engine is running. I think this is so that they don't splatter the inside of your garage in case you happen to use the windshield washers with the ignition in the "accessory" position while parked inside. The assumption seems to be that if the engine is running, the car's outside.
Also, the headlamp washers will only work when the engine is running. I think this is so that they don't splatter the inside of your garage in case you happen to use the windshield washers with the ignition in the "accessory" position while parked inside. The assumption seems to be that if the engine is running, the car's outside.
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yes, even with 06, if you have "sport" package, you get washer but no BiXenon. I don't understand what the h*ll is the point of this. I liked it before when if it had washers, it had HIDs (made it easier to find the car you want). Other european cars were the same: BMW, Porsche, Audi.








I have seen W211's without xenon, with the washing system; I have seen W211's with xenon with the separate button; and I have seen W211's with xenon without the button. Up until now, like many of you, it was my assumption that if it had the washer system/cutouts, then it has xenon lights---which made car shopping much easier and quicker (all you had to do was glance at the front bumper).
Then, when I found out that wasn't the case, I then used the "it-must have-P2-package test", as bi-xenon is included in Premium II package. So when I would look at interior pics of cars online, if I saw the headlight washer button, it meant that the car had xenon, which meant that it also had P2 and Keyless Go. For MY09 cars I was looking at, I had to do a lot more scrutinizing of pics of the vehicle because I knew the switch wasn't an indicator. So I either had to look for the Keyless Go on the shifter (which most dealers don't include close-up shots of) or either look for the little black buttons on the door handles (almost impossible to see from the angle of the pics, especially if the car was black or grey or blue).
I test drove a fully loaded 2008 E550 (with AMG sport pkg and Parktronic and Panoramic roof and Premium 2 package) last week with the washer button. But this morning I came across something weird and perplexing; it was pretty much the same exact car...BUT it did not have the washer button next to the headlight switch!! Now I knew this was true of the 09's, but an '08?? My first thought was that it was special ordered with headlight washer "delete". Then I looked at the front and it had xenon AND the cutouts. So my assumption was that Mercedes decided to omit the switch in '07 (which would affect the 2008 production dates, but was too late for the MY07 & MY08 vehicles already produced in 2007)...and since the '09s use the same layout, they probably just went ahead and begun implementing the design change halfway thru MY08 since they already had the parts fabricated.
This is a bummer because I really like the color of the new one I saw this morning white on beige/black leather, plus it has ALL of the options...but I wanted the independence of being able to initiate the headlight washers at my convenience, not on a scheduled cycle :-(
What I do know is (thanks to my friend who was born and raised in Germany): any and all cars manufactured there (or imported there) that have xenon headlights must have headlight washers and some type of auto-leaving system. This is part of the German DOT law or whatever, so that the headlights are properly cleaned (dirt/snow particles on the lens can scatter the xenon beam and unleveled xenon lights are improperly aimed, which would blind oncoming drivers). That explains why most Cadillac, Lincoln, Chrysler, Acura, Lexus, Infiniti xenon lights look so much more intense and brighter and blinding sometimes; is because American and Japanese law doesn't require leveling systems or washers. And that would explain why you see American or Japanese cars to be imported to Germany retrofitted with headlamp washers and leveling systems.
Last edited by tresean1; Jun 28, 2012 at 10:07 AM.
I found this thread to answer my question about what happened to the button. It appears as if Mercedes went back to their roots when they got rid of the button.
On W140, W126, and W124 models with headlight wipers, they would only activate if you used the windshield washer while the headlights were on.
On the W211 without the sneeze button, I'd imagine that the headlight washers are activated when the headlights are on and the windshield washer is summoned. But I could be wrong.
It looks like that button was on the earlier models to convince people that they do in fact work... just press the button. It may have been a marketing/focus group thing. I'm glad Mercedes did away with the button on the later models.







