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Mercedes-Benz C-Class Maintenance and Repair

869 messages,  Last post on Nov 18, 2009 at 9:05 AM

You are in the Mercedes-Benz C-Class Forum. Your Hosts are pat & karens

What is this discussion about? Mercedes-Benz C-Class, Hatchback, Sedan, Wagon


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#848 of 869
Re: Battery [txhungrybear] by j_rohas
Sep 07, 2009 (5:57 am)
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Replying to: txhungrybear (Sep 06, 2009 8:52 am)

I bought my old C-230 Yr. 97 on 2006, and don't know how old my (original MBenz) battery is. But i'm having some problems like that.
The turn signals and the washer+wipers control doesn't work (at a time) as well as the hazard ligths. I was thinking that could be the control switch or some control module somewhere in the car. Now the question is: are you shure is something wrong with the battery or that can be just part of the problem.
#849 of 869
Re: Battery [j_rohas] by rowlandj
Sep 08, 2009 (2:46 am)
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Replying to: j_rohas (Sep 07, 2009 5:57 am)

All I can say is that the electronics in these cars are sensitive to proper voltage and weak batteries can affect that. If you still have an original battery in a car of your vintage it would be wise to change it anyway.
#850 of 869
check engine light by trellsworth
Sep 09, 2009 (5:34 pm)
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I have a 2000 C230 MB with 141,000 miles.
Two days ago the check engine light came on and stays on. I checked the gas cap and made sure it is on tight. The light is still on. It runs fine, engine is quiet and runs/idles smooth. What is the next thing I can check that I may be able to do myself before taking it in for diagnostics check? Can I still drive it while the check engine light is on?
#851 of 869
Re: check engine light [trellsworth] by rowlandj
Sep 09, 2009 (5:41 pm)
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Replying to: trellsworth (Sep 09, 2009 5:34 pm)

If you go to Advance Auto, the AutoZone or the like they will give you the codes and a likely fix for free. I suspect a bad oxygen sensor, but the codes will verify it.
 
Given the car is running well and not misfiring you should be OK to drive it for a short time to find out what's wrong. If the check engine light flashes don't drive it as you could ruin your catalytic converter.
#852 of 869
Re: check engine light [trellsworth] by Mr_Shiftright HOST
Sep 09, 2009 (8:47 pm)
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Replying to: trellsworth (Sep 09, 2009 5:34 pm)

Even one good burp (misfire) from less than wonderful gasoline can set the CEL. I'd try a tankful of premium, brand-name gas, and also a can of Techron fuel injection cleaner and see how it goes. You might have to reset the CEL with a scan tool before you do the gasoline switch and the Techron.
#853 of 869
Re: check engine light [rowlandj] by trellsworth
Sep 10, 2009 (8:11 am)
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Replying to: rowlandj (Sep 09, 2009 5:41 pm)

thanks for your quick reply.
I went to autozone an the code that their scanner stated:
PO410 - secondary air injection system malfunction.
So I then also took the other response posted today and bought techron feul inj. cleaner and poured that into the tank with a full tank of gas.
I figure could not hurt. Feul injector cleaner had not been done in a good while.
I will go back and have the scan redone. To see if it will reset the computer on my car. Otherwise if it does not what do you think ?
#854 of 869
Re: check engine light [trellsworth] by Mr_Shiftright HOST
Sep 10, 2009 (8:43 am)
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Replying to: trellsworth (Sep 10, 2009 8:11 am)

You might take a look at THIS DESCRIPTION OF P0410
#855 of 869
Re: check engine light [Mr_Shiftright] by trellsworth
Sep 12, 2009 (11:03 am)
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Replying to: Mr_Shiftright (Sep 10, 2009 8:43 am)

this article talks about the possiblities of air flow problems for this code.
air pump
one way valve
hose
air fuse
 
where is the air pump fuse (I looked in the compartment under the hood and did not see a listing)
could a faulty air mass flow sensor cause this code or would a specific code for that sensor come up?
I called the MB dealership and they said that code is non specific and they'd just have to start changing parts to see what the problem is. $85 hr
So I guess I could do the same thing myself.
Where is a good website that shows locations of these parts on the MB ?
I should be able to replace the air pump, air pump fuse, air hose,one way valve.
this is a great website, everyone has always been very helpful.
(side note: this is the first time I've had any engine type problem, anything else was always very minor so am very impressed with MB. I've owned my car for 6 -almost 7 yrs and it is 9 almost 10 yrs old)
#856 of 869
AC evaporator sensor by tlangley
Sep 13, 2009 (1:45 pm)
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Could some one tell me where the Air Conditioner Evaporator Sensor is located?
Also is it complicated to install myself?
#857 of 869
Re: check engine light [rowlandj] by startech1
Oct 06, 2009 (7:29 pm)
Reply

Replying to: rowlandj (Sep 09, 2009 5:41 pm)

If it is an oxygen sensor if I replace it myself do I have to reflash?

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