Last post on Dec 13, 2012 at 9:14 AM
You are in the Mercedes Benz M-Class
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Mercedes-Benz M-Class, SUV
#694 of 697 2012 ML350 Bluetec Check Engine Light
Aug 27, 2012 (10:19 am)
I have a ML350 Bluetec, purchased May 2012. The Check Engine Light came on Aug 7. It was taken to the dealer Aug 8. They replaced a valve in the emission system. The Light stayed on. It has now been with the dealer 3 weeks. In the interim they replaced an engine "computer" (by that I will presume some electronics and a microprocessor ). The light still comes on, within a few minutes of being driven.
What is my recourse? Is there some office I can call at MBUSA (or somewhere else). Is this a lemon or is there something known going on.
#695 of 697 The worst vehicle I ever own.
Oct 04, 2012 (4:25 pm)
I purchased my 2012 ML350 Bluetec back in November 2011. After 2 weeks, the first problem I had was car was pulling to the right at highway speed. After left it with the dealer for about a week, they finally realized that it was bad tire which took them a few more days to get replacement. Next, I was having problem with car loosing power when driving over a long distance or for a few hours. There is no error message on the dashboard nor that the dealer can replicate. Anyway, I start documenting them on video using my phone. They finally acknowledge but still no solution for it. Along with the car loosing power, I was getting error with PRE-SAFE Inoperative error and Ad-Blue low level warning after roughly 3000 miles. Dealer was able to rectify problem with PRE-SAFE error and Ad-Blue, but they can never fix the problem with car loosing power. After roughly 5000 miles, I have to bring the car back in again for loosing power, but this time it comes with squeaking noise in the interior as if something is loose. It took dealer a week to finally fix the problem with squeaking noise and broke the front windshield in the process which they replaced. Anyway, problem with loosing power on long trip becomes more severe as the summer in progress. I will get stranded and having to shut the car down for 30 - 45 minutes to let it reset before continue driving. I was stranded on Grapevine while driving back from San Francisco to Los Angeles. The car could not pull itself up the hill, and freeway 5 was under construction without much service lane that I can pull out. I got lucky that I hit decline and got to pull out before big rig slam into my back. It will sporadically loose power on surface street too which almost landed me into a head on collision while trying to make left turn across on coming traffic because it will not move forward. I took it back into the dealer again, and they could not replicate and cannot fix the problem. Plus, they ding my car this time. I am glad that I was thorough before driving it off the service department. They agree to fix the ding for me because it was their fault. Anyway, I have reported all these problems to Mercedes USA with all the pictures and videos that I documented, but they did not review it and did not take it seriously. Currently, my car has roughly 7800 miles, and I might have to work with an attorney to get their attention.
#696 of 697 Noisy windshield wipers
Dec 08, 2012 (5:22 am)
Anyone figured out how to keep wipers from chattering? My 2012 ML 350 has had this problem since new. Dealer said that is just how they are, but did replace blades without improvement. The lower portion of the driver's blade carrier seems insufficiently sturdy to prevent chattering. Very annoying, especially on a $60k car. Otherwise nice vehicle.
#697 of 697 ML 350 Stero System
Dec 13, 2012 (9:14 am)
My 2012 ML 350 came with one cd track and I need to know how to download to my 10GB for additional cd's? We listen to cd's while traveling and it is very difficult changing one at a time.