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S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

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Old 09-19-2009, 05:17 PM   #1
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Join Date: Mar 2008
Posts: 248
Drives: S500
"worst car to leave in rain with the windows down" MB-Brotherin whats your 10-20?!?

hope its something you will never have to hear someone use these words, especially when conversing about your car.

OK so i need your guys' help

For those of you that can help dont have time, or dont care to read this crap (no pun taken) skip down to the big ---------------- Line that I will put for you. It will mark the end of schpeel and go straight to the problem.

For those that want to read, have nothing better to do, you lurkers or enjoy stories especially about others misfortunes. I just want to give you guys the opportunity to partly appreciate this situation for what it is. Im gonna fill you guys in on the rotten arse past few weeks ive been dealt. I got some free time so for those of you that have the same, here goes my life lessons in possesing an expensive and highly sensitive electronic automobile. Crack open a cold one, make a sandwhich, and put on your seat belts kids. We are going for a fu*king ride!


OK out in my driveway sits a 2000 s500 "Brilliant Silver" on light grey interior. your classic and typical w220 color combo Has standard S500 options id say a good 63% still work so not too bad, like tape on a coin toss. but buttons all look cool and still light up so its all good, adds to the "your in a cockpit" feel that we all like

I have owned the car for about 2 years now. Car has actually been good to me. I barely ever drive it, maybe once every two weeks, and it sits in the winter. so Ive put about 2k miles on it in 2 years. When you put it that way how can the car NOT be good to me when I dont use it. So good point guys ill keep that in mind for next time. But she hasnt cost me more than some oil changes that I have done due to the "you should" factor every 6 months because I dont drive it. She sat pretty and looked good and got a "whoa why dont you drive this" everytime someone saw me open my garage.

well it all started with a cragislist ad, about 3 weeks ago I came across a 03 SL500 that I well fell in love with. 58k, red on black, CHERRY! person was asking 16,500. yea i know said that right, clean title too, I did the car fax has to be. kidding I called in the VIN. Now Being that I have always owned a 4 door, and large cars, hey I needed the space for all the bros and hoes. But now that im having a kid and cant go out anymore the thought of a 2 seater well suits me better Go figure, and great timing you d-bag said my ol girl. who cares I would barely drive it any who, have the accord for everyday. Well this car was maybe 10 grand under priced. This recession really has made for some "motivated sellers" and not only being 10k under kbb value. and there was that magic letter combo of OBO.

After talking a little turkey made a deal with the guy he just wanted CASH, said if he didnt have the car sold, he'd take me up on it, gave him some time to see if he could get a better deal and his title, while I came up with money. for that price?! he was desperate. he had another car for sale to. a yukon I think. well now he wasnt the only one that needed cash i now needed cash, and fast. I thought about the S500, and about my uncle who possess a dealers license, figured auction = sale = money. I didnt care what I got for the car as long as it would give me at least a large down payment + what I would put down cash i would probably have the car almost paid off for, or take out a 2,000 loan on for. Pre approved, thought I could use that for some mods. wheels, and a air freshener and have the car for a comic 100 a month.

I dont need the title anyway, who needs the damn title, not like people going to be YOU own that car? Prove it? Driving the car with my name on the plates is enough I think (joke) I wouldnt sell the car anytime soon, Too much liability especially with ol girl, I dont trust her. Id rather the bank hang onto it, let them worry about where its at, and who can forge it.

So heres where the story starts getting juicy. I get the car ready for auction on the following thursday. But I messed up the car over heard the conversation and it was going to put up a fight they always I MEAN ALWAYS EFFING DO, so fates wheels start to turn...

I decide to wash her down, but she didnt comply. battery was dead car wouldnt start. OF course it wouldnt, and why should it. plugged the charger waited til next day, car still wouldnt start. never ever had problem starting it. BUT so be it, call the dealer and he tells me price of a battery. which if theres a time to invest money into a battery its right before you sell it. No doubt. Tech Guy tells me why dont I just buy battery from generic auto parts as long as it had 800 amps. was very impressed hearing the tech say this. He said should be able to get one for about 70. went to autoparts battery was 109.00 with 10 core charge. Now I only had 1 check my keys and 1 check, dont ask me why, I took 1 check. in case I got mugged? I dont know? well I guess I have too big of a signature and black and green screened computer couldnt read the account number guy gave me a 10 minute explanation on it. so I stayed there while my friend drove back home to get my wallet. Well he comes back with yet another checK this time I signed it very carefully, and what now. Damn computer wouldnt take it. no dice whole time at autozone and I leave with nothing but 2 voided checks a waste of 2 hours of my short existing life. thanks autozone!

well I go get cash buy battery. get to the car. I go to take off the terminal right as I touched it the cars alarm went off. Terminal was loose. my pops wanted to help and disconnected the charger (rather ripped it out) the charger had connecter right on the bolt, but wasnt there anymore and so terminal wasnt tight. so thats why charger well wasnt charging, and the car didnt start. I dont even care any more its getting dark and auction is next day. clean her up, she was looking good, garage lights just gleemed right off her.

Next day I take her to auction check her in, go home get ready for work. Uncle calls me that alot of people are looking at car, gets my hopes up. I call guy and confirm SL500 is still available. Get another call, that cars price was listed way wrong and would have to be put in again on another day. Figured I would just put it right back in so I let the car sit until auction at their highly secured and gaurded facility.

Well few days passed by Its the weekend and I decide to go pick up the car to take out a last couple of times. As im walking what seemed like 2 miles to the car, I squint to look closer and realize, either my tint came off or something is wrong. As I get closer NO!!!!!!!!! followed by YOU HAVE GOT TO BE F&**ING KIDDING ME! and some other expressful words. But THEY LEFT THE WINDOW DOWN, I look inside and the drivers window is down as well. I open the door, and remember that we had a hail storm 2 days before, along with a typhoon of rain. I was hoping it was that kind of rain that seemed to "come straight up from underneath" as forrest gump would put it

now if MBWORLD has taught me anything, especially the "I have no power to such and such door" threads is that those DC modules are some sensitive little truckers.

Sure enough open the door, cluster doesnt come on figure maybe just dead battery, maybe I got lucky WRONG. stupid stupid thought, Got the car started, notice doors werent soft closing, and windows wouldnt go up or down. drive the car up to check point, ask to talk to manager. after a powerful converstation. it ended with a promise to review it and car was sent to detail.

I get a call about a week later, manager guy tells me that the door control modules where shot, pretty much just repeated to me everything I told him the MB techs would tell him. "yea the MB manager told me that this is probably the worst car to leave in the rain with the windows down" Yea thanks I needed that. and all I could say was told you so. Also told me he reviewed camera footage of when car went in, and windows were up. so if they were left down, they had to have worked. Said he would have the doors fixed, would call me when car was finished.

another week goes by calls to tell me that he should have car in next day. Go to pick it up, guy asked me for dam gate pass, that you need to take a car out. he knows its my car, I was given one the day I went to get the car originally, but I didnt know where it was. I think I gave it to you I said. he said I need a gate pass and would have to wait to get one on monday, because sales people were not there. go figure, i guess thats what managers are good for. Tried and tried no dice. waited til monday, which was this last monday.

well I go to get the car, and talk to sales they tell me just to go get the car and say im getting the mercedes. didnt need a pass. doors worked windows worked. By now SL500 was GONE, so that was no longer. I drive the car home, go to a gas station, when I came out, the car started but barely. checked terminals everything was on tight. I guess all this jump starting took its toll on that battery.

Got home put other battery in. Got a beer from the fridge and thought "damn" car really must want to stick around. stared at it for a while, and really kinda fell in love with it again. eh ill hang onto it for a while I thought.

well yesterday I go to drive it to get a wash. and the dam cluster is telling me "service rear foglight", "service left tail light", "service right tail light while your at it" and a "bite me" car was still pissed.

well I inspect the tail lights and they work? signals, brake, reverse. only one bulb in each tail light wasnt working and that was the bottom inside one, closest to the trunk. Took the bulbs out, and they look fine? Filaments are intact swap them around and nothing. thought maybe the rear foglight thing has something to do with it so I check fuse diagram, which is absurdly placed in the trunk folded like a wet nap. why couldnt they just put it on the covers like everyone else. and the all it says for rear foglight is "electronic"

I plan to go to germany one day show that to an engineer at the MB plant and say " WTF DOES THAT MEAN" and as soon as he starts to say D-O-N-T K-N-O-W, poke him right in the eye! so does anyone know what "electronic" means in the fuse diagram. My patience has run out along with my luck, fate, im about done with this car, and the dealer, and autozone. But I can redeem the situation I think if I can fix this myself ha its a long shot I know. but I got nothing to loose

i did play with the headlight switch, I get all the same messages on the but when I turned on the rear foglights, the cluster instead now says "Left Tail Light substitue is on?" when that bulb turned on in the left side. so im dumbfounded? dont know what it is. thought maybe it was the bulbs. But come on both bulbs burning out what are the chances and same one in each tailight?, I dont think im that lucky. its got to be something more costly remember we are talking about a 2000 w220 that was rained in.

so there you have it, another detail is that the when I got the car I noticed that the green light was on in the headlight switch which I think means that the foglights were on, which I dont think were. didnt pay much attention to it, but now I think maybe the headlight switch was fried too when rain got in? because when I messed with it, thats when the substitute came on. I also got a little frustrated and started hitting it, and now the damn switch caves in, so I think have to replace it anyway, anyone know how to do that? I think the parking brake is going to make it interesting.

------------------------------------------------------------------------
HERES THAT LINE as previously mentioned

facts: car was rained in, door control modules were fried but replaced, now I on cluster I get service of the rear foglights, left tailight and right taillight. Green light is on in headlight switch, but no foglight. Bottom inside bulbs of taillight are out. bulbs look fine filaments are intact. swapped bulbs nothing. all other lights work, signals, reverse, brake, etc. Headlight switch works, turns on headlights, fogs etc?

any ideas what it could be? faulty headlight switch maybe? fuse? bad tailights?

Thanks in advance to all, and those of you that read it all, WOW and thanks. Im gonna call this story it "you have 3 messages" thats what is says on the cluster when I turn car off. i dont even want to bother reading them.

thanks guys for everything, and any help, ideas, pointers, or therapy is much much much appreciated. Thanks again

man I wished I never saw that craigslist posting, im not getting on there for at least a week.
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Last edited by donjuan45i; 09-19-2009 at 05:21 PM.
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Old 09-19-2009, 05:30 PM   #2
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The rear Signal Acquisition Module (SAM), which sits behind the fuse panel (the fuse panel is part of the SAM) that is in turn behind the right rear footwell courtesy light (and is located under the back seat) can cause those problems. It is also highly susceptible to water damage, and is as expensive as a DCM to repair. The problems you are now describing sound like a bad rear SAM.

If water collects on the floor, it often runs back in a channel under the carpet to the rear SAM and fries it. Check the rear fuse panel, see if there is any water in it. Not only that, there is a SAM under each front seat. If you start having problems with your headlights and your dashboard buttons, suspect a problem with front SAMs.

The SAMs also contain a device called an "electronic fuse" that is actually a piece of self-correcting protective circuitry that will reset itself when the problem tripping it is cleared. It is a fuse in an electronic sense, but it looks nothing like any other fuses in the car; and you can't simply pull & replace it. It's part of the circuit board.

In your case, I don't think the problem is simply the electronic fuse. Again, it sounds like a fried rear SAM, at least.
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Last edited by Skylaw; 09-19-2009 at 05:35 PM.
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Old 09-19-2009, 05:50 PM   #3
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man thanks sky law for the quick response. im going to look into it further, I dont know how I can go back to the auction manager and bring the issue up again. Im sure hes gonna say otherwise?
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Old 10-09-2009, 07:48 PM   #4
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UPDATE:

Ok so car has sat for since I wrote this thread, now tailight issue is solved, its like the car fixed itself? I drove it and while driving it I noticed it the notifications went away. Went and checked the tailights and all is well. Maybe she just wanted to be driven.

BUT NOW: Car is eating through batteries. battery in car went bad. So i put in another one
Now I went ahead and took out the headlight switch, because it has been acting funny, when I would change the selector, my headlights would flicker. So I suspected maybe water got in there too. So I unplugged it and noticed there was indeed corrosion in the plug, so I bought a used switch online. Got it in today and its not the same.

This switch has "Auto" headlight feature and plug is not exactly the same. Auto switch is 14 pin and mine is a 12 pin. Anyone know if I can still use this switch? As in the the orientation of other 12 pins is the same? Just the extra two which I assume are for auto wont be used? ugh this is so painstaking. I still have hope though I will get this car going again. I just found a ex Mercedes/Bmw tech that works out of his garage and has all the software So I will be giving him a call on monday.
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Old 10-09-2009, 08:27 PM   #5
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the car quite frankly has not fixed itself. Clearly some of the electronics have dried out, and that will cause the issues to temporarily subside. But your driving of the car without getting all the dirty water residue out of the sams will likely lead to a quick failure of many electrical components.

Sorry to deliver the bad news.
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Old 10-09-2009, 08:49 PM   #6
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Yea I just read the flooded S class thread. I dont drive it much though. Before only on the weekends mainly, Until now. I drove it that one time to put some gas in it because it was on reserve. What puzzles me is that while I dont know where the car was taken to have the Driver DCM replaced. The older guy explained to me that they ran a diagnostic and came back to be Driver DCM which he was going to have fixed. Wouldnt this diagnostic also turn up other faulty sam/dcm's?

Because I want to take the car to Mercedes tech, if he has Star Diagnostic should it shed light on a faulty module if there is one? because maybe one is working just not working properly.

Im trying to think of also of something much more simple it could be. I just remembered Car does have aftermarket audio installed in it. subwoofer drivers and amps were removed (professionaly) have you. Highs and their amps stayed in car. but that was a little before all of this, but I didnt really drive the car much between then and when all this happened. So I dont know maybe this is doing something?
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Old 10-10-2009, 12:39 AM   #7
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God that sucks. Im so sorry man, I would have the auction managers ASS
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Old 10-10-2009, 07:10 PM   #8
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I know I want to, but then I dont want to make a big deal get him mad and take away my uncles dealerships privilege of buying cars there. So kinda stuck.

Im thinking about calling him and asking him where he took the car, so maybe I can take the car there directly and tell them they didnt fix it? and maybe magically car will be billed to some automatic tab that isnt mine hehe
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car, control, controls, door, footwells, frontrear, leave, mercedes, module, number, part, rain, rains, storm, w220, water, window, windows


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