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Old 05-06-2002, 10:51 AM
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robi99 - ouch I could feel that one way over here But - you are right - the proper O2 sensor should be used as the electrical readings could be off causing the circuit to throw more gas.Mercedes are not Fords and part numbers mean something.
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Old 05-07-2002, 03:45 PM
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i love my car i love the way it drives and it feels like no other car ive ever owned but since ive bought the car ive had so many problems with it and i mean no offense to the 300e name badge i think they are great cars i am probably not like most of the other people on this forum becouse i cant really spend alot of money to fix my car im only 19 years old and dont really make alot of money when i heard about the FORD 02 sensor i was happy to save 120$ becouse thats almost a whole paycheck for me! and its still a bosch o2 sensor almost identical except for the wires to the origional. i never would have bought this mercedes if it werent so cheap i paid 1100$ for it with a few problems that i knew about i am more than happy with the way my car is for the amount of money ive spent on it its got perfect interior and small dings on the exterior but nothing to must understand when i was joining this forum i was very angry with my car becouse of all the money i spent on it but even then i still loved my car and im not good at thinking of names for stuff on the internet it was really just the first thing that popped into my head so again if i offended anyone with my name im very sorry but i am not serious about its meaning and i really appreciate everyones help on this forum
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Old 05-07-2002, 04:01 PM
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i would have used a mercedes sensor if i thought that it was totally necassary but i read about alot of people in this forum using them and having no problems that was the main reason for me buying the ford part and i still cant see it as a ford part becouse its made by bosch and im not really cheap as to everything else on my car i always put high octane gas in it and i always have bought oem parts my car is now running perfect idles like a dream and im very happy with the FORD o2 sensor after i adjusted the fuel mixture everything smoothed out i think the shop was trying to pull one over on me but i dont know
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Old 05-07-2002, 04:13 PM
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Do yourself a favor and get the part # off the Ford O2 sensor and then the part # off the mercedes one. Compare the voltage ratings for both of them with a sensor supplier- if they are indeed the same ratings then it should be OK - but seeing that the Ford has a different computer system - I doubt that the voltages sent to the computers will be the same. If they are you are lucky and there is something else wrong - If you are unlucky - then you have to get the right part. If cash is a problem - see your friendly bones yard for a used one with a 90 day warranty. You might be able to get it for $40-60 instead of $120 for a new one. Older cars do require repairs - it is a fact of life - ask me ( I too require repairs as I get older!!). Usually - when you get a bargain that is too good to be true - it usually is. People don't normally get rid of a car that does not have something that is wrong with it or is going to have something wrong it. You got a good price for $1100 but you still have to invest a little to tune up your purchase. My daughter is 19 and going to college so I know where you are coming from. You will find that people on this board will try to help you - but please help yourself also - just because the two parts are Bosch - doesn't mean they have the same values. You can get two relays from bosch that look the same on the outside but are different inside for different vehicles - the part numbers will tell the story. So I say again - are they both the same part numbers?? Let's resolve this first then move along to resolving your problem. All the best
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Old 05-07-2002, 04:19 PM
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Join Date: Feb 2002
Location: Orlando, FL
Posts: 788
In Ricky's defense with the whole O2 sensor issue, Mr. Tummala with the badass M119 560 told me himself it would be ok to replace my O2 sensor when it came time with a Ford 5.0 part. He's not the only one. I have read a few times on this forum about people either using or recommending the Ford O2 sensor. I've also seen that said on other MB fix-it sites. So this must not be so uncommon. You're not the only one Ricky, and I know where you're comin from with the money issue because I'm 19 too.
'86 420SE Euro
904 Midnight Blue, Gray Velour
Dad bought it new, now I own it.

"A Mercedes-Benz is like a fine wine, it only gets better with age."
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Old 05-07-2002, 04:56 PM
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Join Date: Sep 2001
Location: Michigan
Posts: 74
modip is correct

Just check the voltage range on the Ford part an see if it is similar to the MB part. Slight variation on the upper or lower limits is fine, but you do want the mid-range (normal operating range) to overlap between the 2 sensors.

If you (or the shop) still has the used parts that they replaced you could also substitute the old parts back on the car one at a time to rule problems in those area's out. This method will not cost you any extra $ because you are using your old parts. This is one of the reasons why I always keep the old parts that I replace. The other reason is for replacements on Sunday night when everything is closed.

1998 BMW 540i Sport
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Old 05-07-2002, 05:49 PM
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Join Date: Aug 2001
Location: At Sea
Posts: 1,729
the Ford / generic part is about $50, an OEM type replacement at is about $100. fastlane sells a bosch one for $150.

note that some people were just reacting to the negativity in ricky's choice of "handle". i just wanted to point it out and hopefully he has taken the hint.
1993 300e-2.8
- gone now <sigh>
"Do not adjust your mind, it's reality that's malfunctioning"

Last edited by jsmith; 05-07-2002 at 07:02 PM.
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