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Mercedes-Benz C230 Problems and Repairs

92 messages,  Last post on Dec 04, 2009 at 4:23 PM

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

What is this discussion about? Mercedes-Benz C-Class, Auto Repair, Sedan


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#70 of 92
Re: Air conditioning - intermittent air flow [swycallis] by barrym
Sep 22, 2009 (7:59 am)
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Replying to: swycallis (Jun 06, 2009 8:09 pm)

Steve:
This problem sounds similar to what I'm experiencing. When we pull up to a stop the temperature of the a/c air rises (probably to outside ambient.). When we drive down the road a/c seems to run ok. From your message, I suspect a bad interior air filter. But I don't know where it is (our battery is in the trunk). Any ideas?
TNX.
Barry
#71 of 92
c class wring harness by mickey40
Sep 23, 2009 (11:45 am)
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do any one know where i can find one that dont cost a arm and leg
#72 of 92
C230 will NOT start!! Help! by motheroftwo
Sep 23, 2009 (9:05 pm)
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I have a 2003 C230 Kompressor. In the past 3 weeks (it hasn't started) I've changed the alternator (three times due to faulty rebuilt alternators and bad voltage regulator), so, new alternator, new voltage regulator, new battery (fully charged) and 3 weeks later my car STILL will not start. It cranks over once and that's it. I don't know where the starter is located to see if maybe that is the problem. Any ideas before I take it to the stealer???
#73 of 92
Re: C230 will NOT start!! Help! [motheroftwo] by Mr_Shiftright HOST
Sep 24, 2009 (6:40 am)
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Replying to: motheroftwo (Sep 23, 2009 9:05 pm)

Okay first off you have to clarify your terms. For most of us:
 
"crank" means turning the engine over with the starter, not the actual running of the engine.
 
"start" means the actual running of the engine.
 
So, to clarify, you are saying that your engine doesn't crank fast enough, or cranks very little--it isn't being turned over by the starter motor?
 
Or are you saying it cranks and cranks and cranks but will not start?
#74 of 92
Re: C230 will NOT start!! Help! [Mr_Shiftright] by motheroftwo
Sep 24, 2009 (9:21 am)
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Replying to: Mr_Shiftright (Sep 24, 2009 6:40 am)

It cranks very little. It doesn't crank over and over nor does it make any clicking sounds. When I turn the key for about a second it sounds like it's trying to start and then nothing. The car was running fine until 3 weeks ago when the new alternator was put in, turns out it was a faulty alternator, which had to be replaced and somehow my battery drained during the process, so it also has a new battery which is fully charged.
#75 of 92
Re: C230 will NOT start!! Help! [motheroftwo] by Mr_Shiftright HOST
Sep 24, 2009 (12:40 pm)
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Replying to: motheroftwo (Sep 24, 2009 9:21 am)

Well okay, what I would do is jump start the car, and then test to see if the alternator is at least charging, using a simple voltmeter on the battery terminals. If it's charging, then I'd test the battery with a load test. A drained battery is often killed if it goes completely dead and even a good alternator cannot bring it back to life.
 
The starter is the last thing I'd suspect.
 
Usually a tip off to a bad starter is when you jump start the car, and even with assistance from another car, the engine barely cranks and the battery cables become too hot to touch after only a few cranks. That means the starter is dragging.
 
By all means, after testing the alternator and load-testing the battery (if it's more than 3 years old, it is suspect just from old age, and over 5 years old, definitely suspect), then make sure your battery cables are clean AND secure on both ends (that is, in all 4 places where the cables attach to something).
 
The basis for any accurate diagnosis is NEVER assume that because something is new or rebuilt, that it is good.
 
#76 of 92
Re: C230 will NOT start!! Help! [Mr_Shiftright] by motheroftwo
Sep 24, 2009 (12:59 pm)
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Replying to: Mr_Shiftright (Sep 24, 2009 12:40 pm)

We've tried to jump start the car with two different vehicles, it BARELY cranks. We have had the battery tested twice since we got the new alternator, they keep telling me it's a good battery. I called a local MB mechanic and tried to explain the problem, he told me to lock and unlock my car 3 times to reset the car. Needless to say, it didn't work. That's the only information he gave me and told me to bring it in. I've checked all fuses, wires, no corrosion, the battery cables are clean and on tight. I have NO idea where to look now.
#77 of 92
Re: C230 will NOT start!! Help! [motheroftwo] by Mr_Shiftright HOST
Sep 24, 2009 (1:03 pm)
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Replying to: motheroftwo (Sep 24, 2009 12:59 pm)

Well you can still be fooled if someone is using cheap jumper cables. Best thing to do is put a fresh battery directly in, as one last test. If it still cranked slowly, and the cables got hot real fast, then I'd go with the starter theory.
 
OR---your engine could be starting to seize.
 
Has anyone been using copious amounts of starting ether/fluid?
 
That's bind your engine (temporarily, don't freak out).
 
Starting ether is a solvent that washes all the oil off the cylinders.
#78 of 92
Re: C-230 Kompressor: 3 mechanics can't tell what's wrong [plachapelle] by paulxk1
Sep 24, 2009 (4:41 pm)
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Replying to: plachapelle (May 05, 2008 9:27 am)

Change the mechanics, they are nil!
 
It is a rather common problem with the merc auto gear boxes. Most likely the conductor plate needs changing ($1,000); if you are lucky it may be just the sensor or some contamination from the radiator (may be established in the inspection).
 
Good luck
#79 of 92
Re: 2005 C230 [tjeq] by paulxk1
Sep 24, 2009 (4:46 pm)
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Replying to: tjeq (Jun 20, 2009 1:11 pm)

If the clanking noise comes from steering (full lock) when reversing, then it is the steering rack. I have the same issue after a shunt and I am battling the insurance/dealer....
 
For the air con, ask that grease monkey to plug in the diagnosis tools and check the error code; it is possible that you had the air con on while keeping the windows open

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