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#1
06-24-2004, 09:55 AM
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MAF replacement on '99 ML320
I have a 1999 ML320, I bought it used a year ago. I have a lot of sensor problems. I have had the ABS lights come on a lot, that sensor was replaced. The check engine light has been on and the diagnostic test showed the Mass Air sensor is failed so they replaced it. I have an extended warranty on it that covers everything BUT "wear parts". Is the MAS considered a wear part? The dealership I went to couldn't be bothered to fully read the contract for the extended warranty and charged me over $500 for parts and labor. I have read that it only takes about 5 mins. to replace Are the sensors an ongoing problem with these models?
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#2
06-24-2004, 12:38 PM
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The Mass air flow sensor (meter) isn't a WEAR item at all. Yes it does have a high fail rate, approx 10-15%. Most parts have less than 1% failure rate.
MB part number 112-094-00-48 has a list of $338. Replacement time is .2 hr & diagnostic time of 0.8-1.2 hr. Contact you extended warranty company & file claim!!
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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