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post #1 of 5 (permalink) Old 02-01-2007, 09:15 PM Thread Starter
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Computer Settings

I have a 1998 MB E300 Turbo Diesal and am having a problem with the electrical system. Recently the front window switch(s) would not work, and then the seat controls wouldn't work. I checked ALL the fuses and when I was finished not much worked, interior lights, all windows, etc. I then disconnected the battery for about an hour, connected the battery and everything seemed to work (I needed to enter the radio code). When I used the sunroof switch the problem started all over. I repeated the battery disconnect and was back in business.

Now, without touching the sun roof switch, the problem has started again. How do I check the computer and reset the settings? Thank you for your help.

Thank you
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post #2 of 5 (permalink) Old 02-03-2007, 07:22 AM
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Owner's manual tells you how to resynchronize the seats, headrests and windows after a battery disconnect.

Len
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post #3 of 5 (permalink) Old 02-03-2007, 12:14 PM
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Skylaw posted this eleswhere:

MB Reset procedures
Windows, seats, mirrors, steering wheel position (easy entry/exit) and the like can be reset by running them fully in one direction, holding the switch at full travel for approximately 2 seconds (or longer), then running to the opposite limit, holding for about 2 seconds (or longer). It is not unusual to have to do this after the battery is disconnected. The positioning of many of these features is controlled by a Hall's Effect generator, a simple device that counts revolutions of a motor shaft, and it must be set to register the proper number of turns to reach both limits of travel.

Synchronizing Head Restraints:

If the power supply was interrupted (battery disconnected or empty), the head restraints are no longer adjusted automatically. To resynchronize the adjustment feature, turn electronic key in steering lock to position 2, move the seat completely forward and the head restraint fully down, and hold respective buttons for approximately two seconds.

Synchronizing power windows:

If the power supply was interrupted (battery disconnected or low), the windows cannot be opened or closed by the Express feature. To resynchronize the express feature, press side of power window switch to resistance point until the window is completely closed and hold for additional 2 seconds. Repeat procedure for each window. The automatic full opening and closing procedure of the windows should now be restored. (Note: This sometimes works as well for problems with manual operation of the windows, but not always).

Synchronizing sliding/pop-up roof:

If the power supply was interrupted (battery disconnected or low), or if the sliding/pop-up roof is blocked during closing/opening procedure, the system has to be synchronized. To do so, turn electronic key in steering lock to position 2, move and hold switch in direction (3), until the sliding/pop-up roof is completely raised at rear, and hold for additional 1 second.

Synchronizing ESP (ECU):

If the power supply was interrupted (battery disconnected or empty), the BAS/ESP malfunction indicator lamp may be illuminated with the engine running. Turn steering wheel completely to the left and then to the right. The BAS/ESP malfunction indicator lamp should go out.

Synchronizing remote control:

The remote control may have to be resynchronized, if the vehicle cannot be locked or unlocked. To synchronize insert electronic key in steering lock. The remote control should once again be operational."

Synchronizing Steering Column Height/Easy Exit:

Steering wheel height - basically the same procedure, but with a caution. Move your steering column down SLIGHTLY, and if you can then bring it back up to where it started (but not higher), then you need to reset the column with the simple procedure below. HOWEVER, if it goes down slightly, but will not go back up at all, do not try the reset - it probably will go fully down and not come back up! You may not be able to get into the car to drive, if that happens. Get it serviced.

Run the steering column full down, and holding the switch down for about 10 seconds after it reaches the lowest position; then run it back up fully and hold the switch up for about 10 seconds after the column reaches its upper limit of travel. You may need to do this several times. That should reset the limits in the Halls' Effect generator, and your column should function normally.

Seats (easy exit) - try running them to the limits also; however, the seats slide back in the easy exit mode only if they are pretty far forward in the first place. if they are back beyond certain limits (set by Mercedes), not sliding further back is normal operation.

Not all cars have easy exit, and for those that do it must be selected in the MFD (instrument cluster) menu.

Don't believe everything you think
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post #4 of 5 (permalink) Old 02-03-2007, 01:22 PM
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Guys, this is good advice on what needs to be done when the battery has been disconnected but I'm afraid johnsonhw had "real problems", not only a need for calibration.

He says the systems worked after the battery had been disconnected, for a while.

I cannot help but you might find more help from the W210 forum. I doubt it would help if you find a way to reset the related control boxes but even if one needs to be replaced with a new, someone with experience about the same symptoms could help you save time to find the real problem.

Have you asked the dealer to read error codes? The car logs the operation of those devices too but one may need some experience interpreting the error codes now that the fault is not permanent.
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post #5 of 5 (permalink) Old 02-03-2007, 01:28 PM
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Quote:
Originally Posted by Diesel Benz
Guys, this is good advice on what needs to be done when the battery has been disconnected but I'm afraid johnsonhw had "real problems", not only a need for calibration.

He says the systems worked after the battery had been disconnected, for a while.

I cannot help but you might find more help from the W210 forum. I doubt it would help if you find a way to reset the related control boxes but even if one needs to be replaced with a new, someone with experience about the same symptoms could help you save time to find the real problem.

Have you asked the dealer to read error codes? The car logs the operation of those devices too but one may need some experience interpreting the error codes now that the fault is not permanent.
This might help: Diagnostic Trouble Codes for OBD II

Don't believe everything you think
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