"I am the second owner of the vehicle and it has only left me stranded twice in four years, and those were not because the engine stopped. One was from a broken coolant tank causing overheating and the other was a powersteering pully. Other things that have been wrong with the vehicle have been mostly regular maintenance items except for the drive shaft problem that was just fixed in the last two weeks. This car is driven quite a bit and I was told that this was a major problem for this vehicle because of the power it has and not having a single way drive shaft. Mercedes decided to put a dual drive shaft in with a converter box that does not handle the power of the 268hp engine. If you want a not so expensive mercedes that looks great this is the car for you as long as you know that there will be some money spent on the repairs."
"I purchased the MB in 2000 and now have 155000 miles under my belt. It has been very reliable. Support has been great with three repairs done by MB for free, long after 100,000 miles. It still looks good, runs good, and handles all the snow Utah can deliver. This has been a great car. I plan to drive it until the wheels fall off."
"Great SUV and an exceptional deal pre-owned as compared to new. The styling in 2nd to none, but build quality could have been better. Opulent and comfortable. Don't buy anything pre-2003 as there were some consistent engine problems not ironed out yet. If you have a choice, get an ML500 instead of the 230 or 320 - the torque is amazing and the gas mileage is about the same. Definitely get an extended warranty as parts can be pricy. Only use synthetic oil (Mobil 1), premium gasoline (highest octane available) and only use Mercedes Benz Fluids and filters - If the cost of these items scares you, don't buy a Mercedes."
"Purchased my 2001 ML320 new and had all maintenance done on schedule at dealership. Loved the car, the ride, everything. But once it fell out of warranty had all the named problems: fuel sensors, window regulators, brakes, brakes, brakes, engine light, broken arm on moonroof. Traded in because I was fearful of the electrical diagnostic and costs. Every time I see one, I want to get another, but just leary of maintenance issues. Also, like another reviewer comment, service guy at dealership said he'd never own an M Class because of issues he sees everyday. Got Acura MDX reliable as the day is long, but a much bigger vehicle."
"We bought our ML500 new in 2002. Please, if you're looking at pre-owned ML's & think you need the navigation system...think again. We have it, and it is so slow & unreliable. You literally have to be less than a block away for it to work. It is so inefficient! Really frustrating, especially when you are lost & need the navigation system in a hurry. Also, the "check engine" light is obnoxious! Maintenance costs are too high, and resale value is pathetic. The 500 is sporty, and has a lot of power. Good looking, and has been pretty reliable in the 5+ years of ownership...but JUST SAY NO TO THE NAVIGATION!!"