2004 E55 Mass Air Flow Sensor (MAF)
I have a 2004 e55 that just recently had the "check engine" light come on (49,805 miles). I've read a bunch of articles since then and, without a proper diagnostic, think it may be the mass air flow sensor. Symptoms are, sporadic loss of power and the car stalled once at a stop...the dealer says that the MAF is around $780 and it's $140 for a diagnostic that will be applied to the price of repair if I proceed. I'm ordering new air filters now and am about to go to the second tank of gas since the light came on.
Does anyone have experience with the MAF replacement on this engine? Thoughts?
Pick up an OBDII scanner on eBay for $100, and do all your future diagnostics yourself.
The MAF itself is nowhere near $700+ either, it's $141 including free shipping at autohausaz.com. And that's for the OEM Bosch unit, you can actually get cheaper than that if you go with a no-name brand (not that I would).
Here:
http://www.autohausaz.com/search/pro...0Mass%20Sensor
Find a new mechanic, pronto. You are getting ripped.
https://mbworld.org/forums/showthrea...hlight=e55+maf
Last edited by AMGfan; Sep 3, 2008 at 04:04 PM.
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Last edited by Max.H; Sep 3, 2008 at 05:07 PM.
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Those are all the quotes I could find via search function...hope it helps.
PS Order all parts yourself if possible...don't go through MB. Usually, the prices are lower than MB's price (markups
). Good luck.
MAF = Mass Air Flow, w210 E55
Have you had the fuel pump and cats recall done?
By all means get the codes and post them here.
I just replaced my MAP sensor this weekend. Even rushing it to dealer, only was 50 bucks.
Might be about an hour or so labor as it's tricky to install (deep in engine)
Get the car to Autozone and have them read the codes and let us know.
Could be anything, but conditions sound a bit like crank position sensor to me.
We'll know more once you get us the codes.
Do a search for "crank position sensor"
You'll find lots of posts like this
Last edited by Jakpro1; Sep 3, 2008 at 05:55 PM.
When you get it, read the codes and then come back and report them here. Then people will tell you what's wrong.
There were 2 open recalls on my 2004 e55 that I knew about...
campaign 2008010001 - check catalytic converters and replace if necessary.
campaign 2008020001 - check fuel filter module and repair/replace if necessary.
Also, the diagnostic results were printed on my receipt... "TEST WITH SDS. TEST ME. TEST PURGE SYSTEM FOUND LEAK AT CHARCOAL CANISTER SHUT OFF VALVE. TEST VALVE LEAK DOWN BEFORE 60 SECONDS. REPLACE VALVE. This cost me $109.25 for the part, labor was free since they had the car already apart.
The dealer completed both campaigns and the valve replacement. Once this was done the check engine light was no longer on and the car ran much better, it also corrected the slight noise I was hearing coming from the exhaust system near the cats...(sounded like a leak, a quick faint exhaust popping sound). All work, minus valve was done under warranty since they were recall campaigns.
W211 don't have mass air. I thought i was miss inform but why would the stealer want to charge you for something you don't have in your car



