Lifespan of MB parts - Mercedes-Benz Forum

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post #1 of 23 (permalink) Old 01-23-2014, 06:36 AM Thread Starter
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Lifespan of MB parts

I am a frustrated Mercedes Benz driver with horrific experience of MB Service Centres in Egypt.

Can anyone please give me a hint as to what the average lifespan of an Air Mass or a purge valve is?

It seems that things start falling to bits right after the warranty ends. Seems Mercedes has learned a few tricks from when it was dabbling with american cars! Mercedes used to last almost for ever. Now on my 2011 GLK 350, i find that i am changing things after a couple of years that my old cars have never changed. What is going on? Can someone please shed some light?

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post #2 of 23 (permalink) Old 01-23-2014, 01:28 PM
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My mass airflow sensor was the original (90,000 miles and 12 years old) when it went bad a couple of years ago. So far the replacement MB part still works fine. I have no idea on the purge valve. But if you bought genuine MB parts they should last longer than most aftermarket ones.

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post #3 of 23 (permalink) Old 01-23-2014, 02:16 PM
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I replaced a MAF in the process of troubleshooting recently and it was not necessary. I believe the one on there was original to the car but am not 100% sure. If so it would mean that my car had a MAF that lasted about 10 years.

My theory is that the Mercedes business model changed in the 1990s. Initial reliability followed by incessant specific repairs (designed to be profit maximizing) both creates a lucrative market for parts/repairs and changes the rate of depreciation in a manner that incentivizes owners of newer cars not to hold on for too long without jeopardizing the brand. Making reliable cars does not necessarily map on to higher earnings.

At the same time, cars have also just gotten more complex. There is more to go wrong.

Bill

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post #4 of 23 (permalink) Old 01-23-2014, 03:04 PM
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If I remember correctly, the lowest mileage MAF I changed was in our old slk230. It had 70K miles at the time. On the 98 ML320 which has been gone for many years now, I changed the MAF once in 160K miles. My current ML320 is also on its second MAF. It has 140K miles.

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post #5 of 23 (permalink) Old 01-26-2014, 10:07 AM Thread Starter
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Quote:
Originally Posted by Musikmann View Post
My mass airflow sensor was the original (90,000 miles and 12 years old) when it went bad a couple of years ago. So far the replacement MB part still works fine. I have no idea on the purge valve. But if you bought genuine MB parts they should last longer than most aftermarket ones.
Thank you Muskumann. So 3 years and 40k miles sounds fishy or worrying about newer Mercedes Benz. Very disappointed.
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post #6 of 23 (permalink) Old 01-26-2014, 10:10 AM Thread Starter
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Originally Posted by crunk04gtp View Post
I replaced a MAF in the process of troubleshooting recently and it was not necessary. I believe the one on there was original to the car but am not 100% sure. If so it would mean that my car had a MAF that lasted about 10 years.

My theory is that the Mercedes business model changed in the 1990s. Initial reliability followed by incessant specific repairs (designed to be profit maximizing) both creates a lucrative market for parts/repairs and changes the rate of depreciation in a manner that incentivizes owners of newer cars not to hold on for too long without jeopardizing the brand. Making reliable cars does not necessarily map on to higher earnings.

At the same time, cars have also just gotten more complex. There is more to go wrong.
Thank you for your reply Crunk. Mercedes how outdone themselves. now these parts are changed after 40k miles (3 years)..way to go Mercedes. Thanks a lot.
Very Disappointed in the brand!
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post #7 of 23 (permalink) Old 01-26-2014, 10:12 AM Thread Starter
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Originally Posted by Michael Pillay View Post
If I remember correctly, the lowest mileage MAF I changed was in our old slk230. It had 70K miles at the time. On the 98 ML320 which has been gone for many years now, I changed the MAF once in 160K miles. My current ML320 is also on its second MAF. It has 140K miles.
Thank you Michael, for your reply.
Since 40K is much sooner than the norm, have you or anyone you know had any success with complaining to Mercedes directly?

Regards,
Czarek
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post #8 of 23 (permalink) Old 01-26-2014, 01:21 PM
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I bought my w209 new in Dec-2003 and is now 10 years old. I changed my MAF sensor only once back in May-2008.
My experience with MB parts are they are indeed reliable. More and more I insist on OE parts (genuine MB parts, not OEM).

This is my daily commute and the current mileage is 180k miles.

Last edited by mis3; 01-26-2014 at 02:16 PM.
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post #9 of 23 (permalink) Old 01-26-2014, 02:18 PM
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Very happy with OE parts from MB. They have lasted longer than any after market brand.

MAF lasted 190,000 miles on the ML430 and the E500 is still on its is first MAF at 106,000.

Things like the belts and hoses are lasting until I decide to change them as a precautionary measure.
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post #10 of 23 (permalink) Old 01-26-2014, 02:23 PM Thread Starter
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Originally Posted by mis3 View Post
I bought my w209 new in Dec-2003 and is now 10 years old. I changed my MAF sensor only once back in May-2008.
My experience with MB parts are they are indeed reliable. More and more I insist on OE parts (genuine MB parts, not OEM).

This is my daily commute and the current mileage is 180k miles.
Mis3, thank you for your reply. I guess things have changed since 2003.
Regards,
Czarek.
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