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2007 Mercedes S550
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13 Posts
Discussion Starter #1
Hello guys,

I know this will get costly, but I thought I should ask you guys before I approve the repair/replacement. I spilled some liquid in the rear passenger side backseat, right where the batter, a foam bag with a pump and where the fusebox is. Since, that occurred my car is not functioning properly. Figure. It for example only lox the rear doors, but not the front. The trunk does not open at all (still got groceries in there) using either the button in the front nor my remote key. The tow away light in the front is on. While I was driving the trunk door opened twice. I removed the sear cover of the rear seat and cleaned up some of the mess and liquid. I checked the fusebox, but it doesnt appear that the water fell on it (still possible). I think the problem lies in the Mainpump system that has a FOAM covering. I think that part got most of the water. Anyone has anyclues, suggestions, tips, Part numbers or anything else that can solve this problem before I take it to the mechanic, who of course will charge me an arm and a leg. Damage control people. Thanks for the help in advance.
 

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Dallas, Texas
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2007 Mercedes S550
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13 Posts
Discussion Starter #3
disconnected the battery.

Thank you for the response. I disconnected the battery. Removed the seat and cleaned the PSE pump as much as I could. After reconnecting the battery, I have the following malfunctions:

1. All doors lock, but as soon as they lock the alarm goes off, which means I can't lock the door unless I want to hear the alarm all the time.
2. The red light in the front above the emergency switch that has the picture of a tow truck towing the car is on as well as the trunk switch light under the window opener switch. They won't turn off even after key is out of ignition.
3. After disconnecting the battery, and reconnecting it the message 'CODE' appears on the radio. Where can I find the unlock code for the radio?
4. The right and left signals once triggered using the switch attached to the steering make a faster than usual ticking noise and also the signal lights flash faster when making a turn and activating the signal switch.

Any solutions? Thank you guys.
 

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2003 E 320 4matic wagon
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38 Posts
DRY IT OUT!

I will give you my two cents with the following disclaimer. I am new to MBs, but I have tried to drown plenty of electronics in my life.

Here's what I would do.
Rent a car for a week if you need a car.
Park car in a garage if possible.
Disconnect battery ASAP
Open everything you can up.The more the better.
Put a fan in the door (osilating is best) and leave it on for several days.
The moving air is the key to evaporative drying!
You need to dry everything up as much as possible.

While it is drying out, research this forum for all of the things you will need to reset when you re-connect the battery. (Like the radio code)

The solid state electronics must be totally dry, or everything will be FUBAR.
You can not rush the drying. You are trying to get water drops as small as an ant out of all sorts of places.

I hope this works for you. I don't think it can hurt. I have been able to bring back a totally submerged digital camera as well as a cell phone this way.

Good luck
 

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2003 E 320 4matic wagon
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38 Posts
Call your insurance agent.

A second thought. This is probably covered under "comprehensive" insurance.

They cover all sorts of things. I had transmission wiring harness destroyed by a mouse, and they covered that (over $1200 repair on my Chevy truck)

They might want you to take it to the dealer an they will pick up the bill. It's worth a try.

I would be on the phone with my agent ASAP
 

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Dallas, Texas
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Thank you for the response. I disconnected the battery. Removed the seat and cleaned the PSE pump as much as I could. After reconnecting the battery, I have the following malfunctions:

1. All doors lock, but as soon as they lock the alarm goes off, which means I can't lock the door unless I want to hear the alarm all the time.
2. The red light in the front above the emergency switch that has the picture of a tow truck towing the car is on as well as the trunk switch light under the window opener switch. They won't turn off even after key is out of ignition.
3. After disconnecting the battery, and reconnecting it the message 'CODE' appears on the radio. Where can I find the unlock code for the radio?
4. The right and left signals once triggered using the switch attached to the steering make a faster than usual ticking noise and also the signal lights flash faster when making a turn and activating the signal switch.

Any solutions? Thank you guys.
1, 2 Your PSE pump is done. This will have to be done by Mercedes specialist. New pump has to be coded to vehicle options.

3. You can obtain radio code from local MB dealer.

4. Check turn signal bulbs.
 

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Thank you for the response. I disconnected the battery. Removed the seat and cleaned the PSE pump as much as I could. After reconnecting the battery, I have the following malfunctions:

1. All doors lock, but as soon as they lock the alarm goes off, which means I can't lock the door unless I want to hear the alarm all the time.
2. The red light in the front above the emergency switch that has the picture of a tow truck towing the car is on as well as the trunk switch light under the window opener switch. They won't turn off even after key is out of ignition.
3. After disconnecting the battery, and reconnecting it the message 'CODE' appears on the radio. Where can I find the unlock code for the radio?
4. The right and left signals once triggered using the switch attached to the steering make a faster than usual ticking noise and also the signal lights flash faster when making a turn and activating the signal switch.

Any solutions? Thank you guys.
The radio code is in the pouch wher the owner's manual is
 

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You sorta skipped the part about taking the pump apart and cleaning/drying it. This is the most critical. Especially around the connectors.

I had an SLK with the pump in the trunk, down low by the spare. When it rained, water would run down the harness, directly into it, was forever getting wet. I got pretty good at drying it out.
 

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2005 SL500
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"I had an SLK with the pump in the trunk, down low by the spare. When it rained, water would run down the harness, directly into it, was forever getting wet"

You're lucky. I have an '05 SL500 on which the boot seal leaked and let in water which ruined the pump (also low down by the spare - genius). MB of Santa Rosa said water damage wasn't covered by the warranty as the seal isn't a warrantied item, and in the next breath they said the seal had been re-designed because it was known to leak. $1,500 later with a new seal, the trunk still leaks. I'm still annoyed by it.
 
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