Used 2009 Mercedes-Benz M-Class Consumer Reviews
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Beware of the Repair Virus
dieselman2001, 09/20/2015
2009 Mercedes-Benz M-Class ML320 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
94 of 98 people found this review helpful
If you are interested in a beautiful looking SUV that is comfortable and will cost you more money in repairs than you have ever experienced before; then this is the vehicle for you! Here are the items you need to make sure have been replaced before you purchase one/ if they have not been replaced; plan on saving up because those dark day(s) will come. Oil cooler seals: $2500+ NOX sensor replaced if you do it yourself (1) $450 if the dealer does it over $800; note** there are two NOX sensors Shocks and struts: $2300 Air Mass Flow Sensor: $750 Regular 10k maintenance avg: $350 (always ask what is being performed) Fuel Filter: $240 Seat Belt: $750- Manufacturer defect that mercedes will not own up to. Brakes: Mercedes does not believe in rotating rotors; they replace them with the pads. What does this mean; more $$ There are probably more to come; i may find out or i may wave the white flag and try to get rid of it. I will put it to you the best way i can; i have owned a variety of diesels for over a decade including foreign diesel powered vehicles. Pass on this one; this has been a money pit compared to the 10 diesels i have owned. I have only owned this vehicle for 2 years and look how much i have spent; this is a fun vehicle to drive and has every bell and whistle; but you will pay to have the luxurious Mercedes-Benz named vehicle.
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Great SUV
David, 12/05/2015
2009 Mercedes-Benz M-Class ML350 4MATIC 4dr SUV AWD (3.5L 6cyl 7A)
38 of 39 people found this review helpful
Overall this is an excellent SUV. It's got peppy acceleration, good brakes, great looks, and is very comfortable. The interior is super nice. I love the iPhone integration, backup camera, and peace of mind knowing I have airbags everywhere. This SUV has FANTASTIC traction. It can be raining and I can pull out on an uphill incline and floor it- this thing just grabs and go's! This gives me peace of mind when my wife drives it versus our car when the weather is bad. With all that being said- it's a Mercedes. Premium fuel, expensive synthetic oil changes, and all that good stuff. Its not too bad because honestly all cars are expensive if you go to a dealer. Find a good Indy mechanic good with euro cars and you'll be fine! I had a Timing chain replaced at 80,000 miles- was told it may have needed this because perhaps the previous owner may not have changed there oil like he should have.
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Worst reliability of any vehicle I have ever owned
Manfred Schropp, 09/14/2015
updated 04/04/2016
2009 Mercedes-Benz M-Class ML320 BlueTEC 4dr SUV AWD (3.0L 6cyl Turbodiesel 7A)
157 of 166 people found this review helpful
The engineers who designed the vehicle did a good job. It is spacious, comfortable, quiet, has a fantastic range on long distance drives - up to 700 miles on one tank 95 liters / 26.5 US gallons. I still love driving it after almost 7 years. You can drive 800 miles in one stretch and exit the car still feeling fresh. The strong torque of the Diesel engine with up to more than 30 mpg, the transmission working seamlessly in the background, the comfortable ride, the quietness of the cabin, the excellent seats make this a wonderful vehicle. BUT THE RELIABILITY IS TERRIBLE! This is hands down the worst vehicle I have ever owned in terms of frequency and cost of repair (see below), and these cars include 2 Jeep Cherokees when they were still made by AMC. While my local dealer is very very good, Mercedes Benz of USA and the folks in Stuttgart were of no help whatsoever. Verbatim from a MBofUSA representative: "Sorry, there is nothing we can do for you. We suggest you negotiate a real good deal with your local dealer when you buy your next Mercedes." Repairs & Parts replaced on my 2009 Mercedes ML-320 Bluetec in 6 years & 10 months and 73,696 miles light duty use. 01. Factory recall: Tail lamps, rear lights, power lift gate module replaced 9cost not known) at 5,176 miles 02. Warranty work: Noise from front end; replace right front wheel bearing at 27,670 miles 03. Warranty work: Replace left strut assembly front and replace buttons on steering wheel at 32,477 miles 04. Warranty work: Removed and lubricated shift paddles on steering wheel to fix squeaky noise at 32,620 miles 05. Warranty work: Replaced defective NOX sensor at 35,866 miles 06. Warranty work: Left rear door lock assembly replaced at 42,541 miles 07. Repair NOT covered by warranty: replaced auxilliary heater in AdBlue tank diagnosed at 49,671 although it is part of the emissions control system but NOT covered by MB emissions control warranty (read the small print); paid out of some slush fund after my vociferous complaints to MBofUSA; cost estimate almost $2,200.-; fixed problem at 50,843 miles 08. Repair: Front passenger door lock assembly (same broken part as above, different door) $833.99 after 15% dealer courtesy discount at 53,277 miles; MBofUSA refuses any consideration. 09. Repair: Noise from engine department - loose NOX sensor - tightened - no charge at 56,633 miles 10. Repair: Replace 2nd NOX sensor and EGR temperature sensor and air cleaner turbo seal at 60,028 miles; this NOX sensor lasted 24,162 miles; cost of repair $1,350.92 11. Repair Turbocharger intake shut-off motor, seals, gaskets, pipes (almost left me stranded) at 66,241 miles; cost $1,675.89 12. Repair: Bad Glow Plug Control Module at 68,9921 miles; cost $503.64 13. Repair: Oil leak in front engine area. Turbo Pipe Gree O-Ring Seal and seal on oil breather assembly black o-ring seal; oil squirted on V-belt; replaced free of charge by dealer as it was possibly related to repair #11 not performed 100%; dealer otherwise very good and VERY HONEST. Same mileage as Repair #12 done at same time. 14. Replace 3 engine mounts / support struts. They were leaking fluids; at 73,696 miles; $1,774.38 15. Replace temperature sensor upstream of turbo at 73,696 miles (as in #14); cost 737.98 Estimated cost of warranty repairs $5,000+; repairs paid by owner $6,876.80 (does NOT include windshield replacement caused by stone from passing truck or self inflicted body damage); additional regular maintenance cost incl. tire replacement $8,391.98 (does NOT include registration, SMOG check, insurance, fuel); total estimated cost for all repairs, incl. warranty work, and regular maintenance ~ $20,268.78; Days in service 2491; average number of days between repairs (does not include regular maintenance trips) 166; average number of miles between repairs 4,913. UPDATE 1: The car now has 80,750 miles on it and nothing has broken since my original review. That is about 7,000 miles without something breaking, although I did have a brief scare at about 76,000 miles when the car lost power on a long uphill portion on the freeway and slowed down to about 35 mph. I managed to pull off the road [slow trucks were using the emergency lane], turned off the car, and after about 5 minutes restarted it. It has been running fine ever since. A visit to the dealer did not show any recorded error code. About 30 miles earlier I had added fuel when the tank was still half full. Maybe the fuel was dirty and caused a momentary clogging. I still love the design and how it drives very much, it is just the reliability that I hate. But I may have gotten a particularly bad one-off example. UPDATE 2: At 80,915 m replaced defective 2 front air suspension struts & air compressor & 4 new tires as a result, new turbo inlet pipe seals, new transfer case input shaft seal, incl. C-Service $7,303. 15 unscheduled stops so far not counting light bulbs. Repl. backup camera (warranty), est. $2,400 incl. module.
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Rover and Beemer killer
Wolfepack, 08/31/2008
2009 Mercedes-Benz M-Class ML350 4MATIC 4dr SUV AWD (3.5L 6cyl 7A)
29 of 30 people found this review helpful
Have owned the Discovery and LR3 and was ready for a change. Drove the Ranger Rover Sport, X5 and ML350. Simply no comparison. The Benz is by far the best combination of luxury, performance, safety and styling for the money. We are completely blown away by the driving characteristics and features of this vehicle. It is light years ahead of its predecesor, the ML320, which was a stubby, truck-based abomination. This thing is an E-class with some ride height and storage space. If you're considering an SUV in this price range, you must drive this car. My only complaints are the position of the cruise control stalk and the learning curve on all the features. Gas mileage is as bad as the Rover.
2009 Mercedes ML350 4Matic
Hussain, 09/11/2019
2009 Mercedes-Benz M-Class ML350 4MATIC 4dr SUV AWD (3.5L 6cyl 7A)
13 of 13 people found this review helpful
I brought one with 150k it’s been six month since I had owned. This car drives smoothly especially on the interstate for road trips. Gas mileage it’s not bad at all I get 19/22 mpg on the freeway. The trunk is huge with enough space also you can fold down the back seats. The rear view camera comes in clutch for this suv, navigation system works fine for a European car.
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