M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

reset the service engine light?

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Old Nov 8, 2005 | 08:51 PM
  #1  
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reset the service engine light?

Is there an easy way to do this without going to the dealer?
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Old Nov 8, 2005 | 10:38 PM
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resetting service light

Yes, there is a section in the owners manual. Basically, your turn the ignition key to the #2 position and press odometer button twice. This will display a wrench and the miles. Resetting is turning the key off, then back on to #2 while holding down the odometer button until an alarm sounds. I've tried this and it doesn't work for me. Good luck.
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Old Nov 10, 2005 | 07:55 AM
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Originally Posted by 3725jj
Yes, there is a section in the owners manual. Basically, your turn the ignition key to the #2 position and press odometer button twice. This will display a wrench and the miles. Resetting is turning the key off, then back on to #2 while holding down the odometer button until an alarm sounds. I've tried this and it doesn't work for me. Good luck.
This should work if all the doors are closed.
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Old Nov 10, 2005 | 08:11 AM
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Originally Posted by psychocabbage
Is there an easy way to do this without going to the dealer?
If the check engine light is on then you must plug in a scan tool to find out what is causing the light to come on and then you can clear this light with the scan tool only.If you are talking about the maintenance light then the methods mentioned previously will work to reset it.
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Old Nov 10, 2005 | 09:48 AM
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Yes, are you talking about the flexible service system (FSS) light or check engine? The FSS is user resettable. The check engine however, requires a OBDII scanner and a remedied problem or it will simply send it the code again for an encore of the light.
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Old Nov 10, 2005 | 10:58 PM
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ML320, 2001 and BMW, 1995
Reset Ffs (service) Indicator

After Responding Before I Reset My Service Light On My 2001 Ml320. Here's How.
1. Turn Switch --#2 Position.(just Before Start)
2. Press Odometer Button Twice.
3. Turn Switch --0 (off)
4. Press And Hold Odometer Button
5. Turn Switch--#2 Position
6. Continue To Hold Odometer Button Until Signal & 10k Will Appear.
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Old Dec 5, 2005 | 11:19 AM
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Blinking FSS Indicator

Hello Everyone....

I am new to the site and have learned a lot! I have a 2001 ML320. I just took a trip and before my return, I had the oil changed, tires, and all that good stuff done, but not throught a MB dealership. My FSS indicator came on. I went to reset it but somehow I messed it up and is now blinking and won't stop blinking. This has been going on for about 24 hours now. Last night I went to dinner with my wife and upon our return, it was dark, I turned the lights on and the illumination in the instrument cluster does not work. I am not sure if this is related to my first problem but what a coinsidence. Any suggestions????? thanks.
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Old Dec 8, 2005 | 07:21 PM
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instrument cluster lights & moonroof

Hey everyone,
i just noticed something on my 01 ML320. When my moonroof is closed, my instrument cluster lights go really, really dim and I can barely see them. When I open it, they all illuminate just fine??????? any ideas?????
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Old Apr 27, 2007 | 05:42 AM
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Originally Posted by 3725jj
After Responding Before I Reset My Service Light On My 2001 Ml320. Here's How.
1. Turn Switch --#2 Position.(just Before Start)
2. Press Odometer Button Twice.
3. Turn Switch --0 (off)
4. Press And Hold Odometer Button
5. Turn Switch--#2 Position
6. Continue To Hold Odometer Button Until Signal & 10k Will Appear.
I just reset my 2002 ML320.....the instruction above works like a charm.

Thanks guys!!

Pete
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Old Apr 27, 2007 | 11:20 AM
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Originally Posted by ReyesML320
Hey everyone,
i just noticed something on my 01 ML320. When my moonroof is closed, my instrument cluster lights go really, really dim and I can barely see them. When I open it, they all illuminate just fine??????? any ideas?????
Turn up the dimmer, that should work
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Old Apr 27, 2007 | 04:35 PM
  #11  
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ml320 & c240
If you do not have a code reader and your check engine light comes on disconnect your battery for about an hour and reconnect it, if it goes away then it might have been a minor malfunction, if it doesn't then take it to the dealer or a reputable shop.
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Old Jun 16, 2013 | 12:36 PM
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Originally Posted by PHML
I just reset my 2002 ML320.....the instruction above works like a charm.

Thanks guys!!

Pete
There are several other site with incorrect methods of resetting the FFS. Thank you guys for the correct procedures for the W163's. Resetted my 2004 ML 500 easily

Last edited by SmokieBehr; Jun 16, 2013 at 12:46 PM.
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