Let me give some input from someone who does not drive the car hard every single day and daily’s it for my nice commute to work, with an occasional wot. This car is not as tire/brake/gas hungry as they say. Drive it like a normal car and it’s actually not that bad.
I know all commutes and driving styles are different, but I log all my fill ups and my car averages 20-22 mpg (real actual data). I did my steel brakes recently for literally $200. I had a local shop turn the rotors for 15 a piece, and I went Powerstop Z23 brake pads for $110 shipped front and rear. Absolutely zero dust now…ever, and it brakes just like oem.
As for tires, I went 7,000 miles on my tires then wanted to change to a different brand, but at 7,000 miles they still looked brand new. No clue how guys are killing tires in 10k or less miles. Must be really bad alignments and driven very hard.
Car has been very reliable, no issues whatsoever so far and any maintenance I just do myself. Brakes, brake fluid, engine oil, rear diff fluid, engine and cabin filters…..all very easy to DIY.
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Alignment is fine. As I said, much of this depends on how the car is driven. At the end of the day, it's a performance car that has things like RACE mode and Drift mode. Have you used any of them, or are you just doodling around in Comfort mode? If driven like a Toyota Camry, then tires and brakes will certainly last much longer, but where's the fun in owning an AMG and driving it like a Camry?

 

oh, I have my fun with the car, but I also don’t drive all over the place like an idiot. Like I said, this is my daily driven vehicle so I’m not gonna sit there at 6000 RPM driving to work, I drive it like a normal car in most situations. I love the heck out of this car even when I’m driving it like a granny.
My point is, tires, brakes and gas don’t need to be bye-bye as often as the majority of people on this site are stating. Input from all perspectives is appreciated I’m sure.

 

Front tires will wear out much faster than you'd think given the aggressive camber setting from the factory. The inside edges will wear out faster than the rest of the tire even if you are just doing easy highway miles. I've only seen a little over 12,000 miles on the PS4S tire and less than 10,000 miles on the Pirelli that the car came with. However, I did drive the car a lot harder on the first set of tires so I can't really say it was an apples to apples comparison.

Cut the inner sidewall of my right rear tire on a rock in the roadway while ripping up a local mountain road the weekend before I was going to take the car in for new tires. Had planned an epic drift mode session to burn off the rear tread, which was still fine, but sadly had to have the car taken to the dealer on a flatbed. Given I was well outside town up on the mountain, I did have quite a wait for the free Mercedes roadside service to come get me.

Just replaced my Michelin front tires and once again the rear tires are still OK. Dealer didn't have any issue with me just replacing the front tires at the service visit and keeping the used rears on the car. When I get a bit closer to ready to swap out the rear tires I'll try to schedule my drift mode fun session again. FWIW, I run 41/33 and top off the tires any time they lose more than a PSI or so. So improper tire inflation is not a reason for front tires to have worn out so quickly, also, dealer again verified alignment, which was spot on with factory specs.

 

Fair enough, but context is important. I drive normal in normal situations, too, but I don't commute and don't spend much time in slow traffic. Most of my wear comes from driving the deserted canyon roads around here. You must be doing a ton of sluggish commuter traffic miles in this car. At low speeds the tires and brakes see much less wear. The tires are basically cold and hard and wear less due to the much smaller forces exerted on them. As you pick up speed and start cornering they get hot, soft and sticky and that's where they wear much more. The brakes are also designed to handle hard and high speed braking, so in commuter traffic they don't wear very much, neither do they wear just eating up miles on the open highway. As the poster above points out correctly, the aggressive camber in the front will wear the inner edge of the front tires quite aggressively. The wear actually becomes more even if you do a lot of hard cornering, because the tire spends more time flat on the ground. But again, at low commuter traffic speeds the wear is less pronounced.

As for fuel consumption that's also an interesting topic. I'd venture you use a lot more fuel since these engines do as low as 11 mpg at city and stop & go speeds, whereas on an open highway just cruising along I can do 23-24 mpg. These are not slow speed cars.