Replacing computer

80

Asked by Oct 23, 2013 at 05:23 PM about the 2000 Mercedes-Benz C-Class C 280 Sedan

Question type: Maintenance & Repair

Anyone about what it cost for a new computer for a 2000 C280 Mercedes? Part only, and parts including labor.Ruled out fuel filter and pump.  It's not firing is the last thing the mechanic has sold me said could be the computer

14 Answers

...every time I've replaced a computer it turned out to be weak/bad Chassis ground...take the time to take apart the big black 1/0 cable from the black terminal of the battery to where it attaches to the fender/frame...coarse wirebrush this place and the lug....insure a full 12.5 volts to the ECU with proper grounding (the killer)....make sure that the ECU can see steady reliable ground before condemning it...get a NEW battery~!

Best Answer
135

exspensive

80

How expensive?? I found the computer for $289.00, what would the normal charge for a mechanic to put it in?

3 out of 3 people think this is helpful.

to clean the ground connection is FREE...newsflash..we replaced the ECU...the problem was still there...we cleaned the ground and voila...NO returns on electrical components!~

1 out of 1 people think this is helpful.

a pickNpull unit would be less than fifty bucks~

anywhere from one to six hours depending on the skill level of the mechanic~

1 out of 1 people think this is helpful.
80

Could you please tell me where the ECU is located?

4 out of 4 people think this is helpful.

well it has four mounting holes...a multipin connector...look on the firewall...or the secondary firewall to find it...I think that it is shiny...really havin' a dickens of a time trying to put a claw on an image....worked my ass off...but nothing...just have to use our heads here~ It's a centrally located item...it has to be, with all of the systems involved~

a trip to the junkyard may prove beneficial, as you could toy around with the junkers all day long...and learn how they go together and come apart~...a pleasant way to spend the afternoon...I like to take pictures of these places~

1 out of 1 people think this is helpful.

okay....there isn't any ignition relay on your model...robot keeps tossin coil set at me~ http://www.ebay.com/itm/like/151042679765?lpid=82

Chassis ground to the computer and dashboard is key....actually TEST this voltage at the ignition....lights to make sure that it has a steady 12.5 volts at hand~ "brown power" means trouble and failure...be sure the ground has NO corrosion~

1 out of 1 people think this is helpful.
80

Thank you so much for taking the time answering my questions, it has all been very helpful, there still working on it. You can just come on up to Texas and fix it, LOL!!! Thanx, Robin

1 out of 1 people think this is helpful.

Plain ole Texas....our trusted companion DavidH25 is from Texas...can never speak to him only through text.~ He's solidly in first place...tho judge_roy is the man for maintenance and repair~

1 out of 1 people think this is helpful.

Was the problem solved , if so, what solved it

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