Used 2012 Mercedes-Benz M-Class Diesel Consumer Reviews
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Blue over Blue Tec
MF, 11/04/2015
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
32 of 35 people found this review helpful
I bought this from a reliable acquaintance at 1+ year old, at about 17K miles and now am at almost 50K. So far in two years have spent about 4k in repairs and service and had it in dealership for almost 3 weeks under warranty for a major repair, thank goodness it was still under warranty. Concerned I inquired about an "extended" warranty and come to find out it will be 6K which includes a surcharge from Mercedes because it was not originally purchased for the extended period. Had the car appraised and find it is with less than half of the original cost and they now have discontinued the ML series. The fit and finish of the interior is lovely, the boxy exterior is a bit dated. Overall liked the safety of the car but too expensive to service and seems to be a money pit. I had hoped to drive it 100K but now having second thoughts.
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Love my 2012 ml350 diesel but it's a money pit
Margie, 11/17/2018
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
16 of 18 people found this review helpful
I've loved driving my ml350 diesel but every time I take it in for an oil change it's comes out with a massive repair bill. The check engine light is always going off and it's always a minimum of $2,000. I've had to replace the Oil cooler for $5,000 that was a recall on several years but not mine, blue tech cooler $2,000, motor mount $2,000 and on and on. It's like a sick dog you love and have already spent so much money on that you keep sinking more in hoping this will fix it. I'll probably never buy another Mercedes because this one has left me with a bad experience.
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Nu-Blu...more than a year in and Still Smiling!
djefferson, 06/18/2013
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
14 of 16 people found this review helpful
I have had my 2012 ML 350 Bluetec without any issues for over a year near 20k miles. It has proven to be a tried/true work horse and I have no regrets. I have averaged an indicated 23 mpg during this period and on long Hwy seen about 29mpg driving a constant 80mph. Most of my commute is stop/go city w/limited fwy and it still gets 23-25 if you don't bury your foot to feel that strong 455ft lbs of torque. I'm truly convinced that this is a great overall vehicle and am glad I chose this powertrain. FYI think about it..for about $1500 extra at purchase it holds its value advantage of $5000-9000 or more than the gas engine over the same ownership period! IMHO that is money in the bank .
Great all around suv
James, 02/12/2017
updated 02/21/2018
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
8 of 9 people found this review helpful
Fantastic towing ability BUT,comes at a cost with diesel blue tec Blue tec flawed in these vehicles You find out too late when there is a problem then you find it’s happening to slot of folks Took 4.1 years, right after warranty and problems totalling $3800 for a simple heater in blue tec tank
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LOVE IT!!!!
renesf, 12/21/2011
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
11 of 13 people found this review helpful
Have had the car for a few weeks now.Bluetec. Getting 32 miles per gallon roughly. Beautiful interior. Love the lane change add. It is a definite must have. Heated seats are wonderful, legroom in the back seat is roomy,back seats recline a bit. Trunk space big enough for 2 sets of golf clubs and suitcases. I have no complaints so far.
What an amazing SUV
greginnh, 10/27/2011
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
30 of 40 people found this review helpful
This will be my third ML. Having owned 2002 and 2004 versions, I was very disappointed with the second generation ML and strayed from the MB brand for a few years. Now comes the 2012 which is the third generation and it totally blows away all previous models.
Buy a Ford
suzi2007, 05/24/2021
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
4 of 4 people found this review helpful
Hesitates, stalls without any warning or engine light, electrical oddities, fan/blower is subpar... I have finally had it after it stalled for no apparent reason in the middle of the highway leaving me in a dangerous situation.
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The worst vehicle I ever own.
neversummer78, 10/04/2012
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
24 of 33 people found this review helpful
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
Terrible Service from Mercedes
tracy97035, 01/27/2013
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
12 of 18 people found this review helpful
In 2012 I researched purchasing either a Mercedes or Acura. I had exceptionally great service with Acura in the past but chose Mercedes and assumed their service would meet the same expectation. I was wrong. I ordered running boards over a year ago and still have not received them. I now had to take my rubber drivers side mat into dealership due to a recall and am told not to hold my breath for the new one. Mercedes called me to say I would be put on their "preferred" list...but still have not received these items and they could not give me an eta on them. Waiting over a year for parts is insane. I wonder what the future will hold when I need service/parts ordered. I looked at Acura today..
Open DTS case for misfiring - no fix available
latette, 12/30/2011
2012 Mercedes-Benz M-Class ML350 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
15 of 23 people found this review helpful
Love the looks, mileage and ride of the ML blueTec, but having to drive for a mile or so, every morning since I drove it off the lot, misfiring is getting old! Upon returning it to the dealer I was told that there were numerous open complaints on the issue, but a fix was not yet available. They hope to have a fix out soon.....$57k and I need to drive a misfiring Mercedes through my neighborhood every morning.....I guess that will teach me for buying the first year of a new body style. So now I wait.......or do I start the lemon law process...time will tell...
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