No Check Engine Light
Thread Starter
MBWorld Fanatic!
Joined: Dec 2006
Posts: 1,042
Likes: 1
From: Bellevue, NE
1995 E320 SE, 162,000 Miles (Sold) 2007 CLK350 Cabriolet 2014 ML550
No Check Engine Light
On my recently purchased '95 E320, I noticed that the Check Engine light NEVER comes on, even before starting the engine. Also, the SRS light next to it never comes on, either. I wouldn't think it would be bad bulbs as all the other bulbs are fine. The car runs and drives like a dream so I am hoping there is nothing wrong that would cause the light to turn on. Could someone have disabled the Check Engine light and if so, how would I reinstate it?
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From: Boston
is a German Tank
Junior Member
Joined: Dec 2006
Posts: 60
Likes: 1
From: South River NC
Your bulbs are likely burnt out. I just had my gauge cluster out today to fix the odometer again. I notice that my car has no bulb/socket for the 02 sensor light. It's the last one on the right.
I also made my dash lights brighter by changing the 2 bulbs at he top of the gage cluster with higher wattage ones. The ones that were in there were 3 watt. It's much better, I can now tell there're on before it gets too dark outside.
I was going to make the high beam indicator a little dimmer, but in my bucket of bulbs, the ones I have were too dim.
I can remove my gauge cluster in about 2 minutes.
To repair the odometer, I tapped the little white plastic gear (the one that is matched with the cork screw gear) back onto its shaft.
Hope this helps.........someone.
I also made my dash lights brighter by changing the 2 bulbs at he top of the gage cluster with higher wattage ones. The ones that were in there were 3 watt. It's much better, I can now tell there're on before it gets too dark outside.
I was going to make the high beam indicator a little dimmer, but in my bucket of bulbs, the ones I have were too dim.
I can remove my gauge cluster in about 2 minutes.
To repair the odometer, I tapped the little white plastic gear (the one that is matched with the cork screw gear) back onto its shaft.
Hope this helps.........someone.
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Super Member
Joined: May 2003
Posts: 696
Likes: 4
From: Motor City
95 E320 Cabriolet, 108K
Recently purchased?... My first suspicion would be that the bulb is pulled out or burned out from being on all the time. Checking the bulb would be the first order of business. Second would be to read the codes from the 16-pole self-diagnostic unit.
ALL dash lights are lit up during startup as a bulb check.
ALL dash lights are lit up during startup as a bulb check.
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Joined: Apr 2005
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From: SCV SoCal
2002 CLK430
Shdoug, I have a question for you; did that recently purchased car come with a smog certificate? Here in California, the seller is required to supply a smog certificate to the new owner. Naturally, the certificate is based on passing a smog test. In Cali-land, the first test performed is looking to see if the check engine light illuminates. If it doesn't, the car fails. I mention this because if the car does require a fair amount of money in smog related repairs, you would appear to have an out. Let me refrain; you'd have an out in California as fraud is frowned upon in these parts. If that's the case where you live, perhaps the previous owner would be inclined to pay for the repairs.
Thread Starter
MBWorld Fanatic!
Joined: Dec 2006
Posts: 1,042
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From: Bellevue, NE
1995 E320 SE, 162,000 Miles (Sold) 2007 CLK350 Cabriolet 2014 ML550
Turns out it was just a burned out bulb. The stealership charged $54 to change it. I guess it could have been worse. I wonder why it's red instead of amber? I'm glad nothing's wrong with the system, though. Does anyone know how to run the self diagnostics, or is this even possible?
Super Member
Joined: May 2003
Posts: 696
Likes: 4
From: Motor City
95 E320 Cabriolet, 108K
http://www.mercedesshop.com/shopforu...d.php?t=107630
I tried to make it so that everything you need to know is in that thread.
I tried to make it so that everything you need to know is in that thread.
