I think I may have found a dupe for this color, or if it's not, it's just amazingly close !
I wanted to tell you in case you were searching for one.
I have this addiction for Armani (Rouge d'Armani) lipsticks and I have swatched the Armani 502 and the Mac Mehr. Honestly for me the color is quite the same. The finish is different, I feel Armani is more hydrating and shinier. It's worth checking it out if you were not able to get Mehr and if you are looking for a similar color.
I find both of them long lasting, but I absolutely prefer the Armani formula ;o)
I had swatched both side by side at 7pm, at 10pm the swatches were still clearly there, the day after I still had the stain of both, the Armani was much more present and defined.
I will not buy again Mehr as the 502 from Armani is much more comfortable to wear.
In my picture, on the left it is Mehr, on the right it is Armani 502
http://img.makeupalley.com/4/6/1/4/1886756.JPG

My sister gave me a tube of Mehr (and picked one up for herself). I love the colour and texture. It's a true pink (I wear with Soar lip pencil), suitable for daytime and strong enough for nighttime. The matte texture is perfect, not drying as some other matte lipsticks can be. I see from other reviews that it suits dark-skinned girls which is pretty cool, because I'm a very fair natural blonde (the whole bit, invisible eyelashes and eyebrows) and it works well for my colouring too--what a very versatile shade!

Mehr is one of the prettiest, wearable, everyday-ish, yet interesting lipsticks that I have ever used or ever come across, EVER. I bought three and I have never done that before.

The last time I did that was when I bought two, but should have bought three, Empowered lipsticks from MAC's All Ages All Races All Sexes collection in early 2010.

Mehr's color is actually exactly what the MAC website says it is, it's a blue pink that is 'dirtier' than their permanent, similar matte lighter blue pink lipsticks; there's more of a brown base to it.

Someone on here said that Mehr is bolder on her than Snob, and I said 'Are you crazy?' Snob looks so scary to me; I'd have to be ten times lighter to even attempt to wear Snob. Snob I can't touch at all. But Mehr strikes the right balance of everyday neutrality and boldness, just don't ask me how they did it....

I'm an NC45.

Gorgeous lipstick for everyday, works great with almost all skin tones. Its a medium rosy pink, not subtle, but not overpowering. Perfect for all occasions. I'm nw25-30 for ref. If you can get your hands on this, you should.

I love this colour! I'm a brown skinned girl (NW 30) and this is the first pink lipstick I've bought that does not make me look like a drag queen. I can finally wear lipstick to the office without looking like I'm going out to party.

It is so so flattering on brown skin. I wear it everyday, because I love how it makes me look rosy and bright. Wish it wasn't limited edition, as it is my new everyday colour. Will definitely repurchase if it is available again in the future.

Hate that this product is LE, the colour is amazing and it lasts a good 5-6 hours on me. It's a matte finish which made me reluctant to buy it but it never dries my lips out infact I find it quiet moisturising.

What in the world? Why is this lipstick so bomb? This lipstick is perfect for everyday, which is a shame because it is LE!! This is sold out, but I do not mind going to _______ and buying it for double the price! It's hard to explain the tone of this lipstick. I will go ahead and say it's like a medium pink maybe with a beautiful matte formula. This is my first matte lipstick, so I am very impressed. The color is so beautiful, it doesn't look flat, just beautiful. This lipstick could be worn for anything. I was sporting this with half my hair jet black, with the other side in the front- only golden light brown, Then had my brows filled in heavy, and this was so raw. I was killin them at the College I go to, I could tell, because I had girls just looking. haha, im funny. Then I had the nerve to line it a little with Currant lipliner. OMG, man this is danger in a tube.

Love this lipstick! I am NW45 and it is so hard to find pink lipsticks for me. Its a nice medium pink without any shimmer, its matte finish and not drying at all! Love wearing it with smokey eyes.
Love Mehr so much I brought 2 backups :) Sadly it's limited edition.

I am a brown girl (NC50 in liquid studio fix) and I purchased this shade as a "going out" lip. I find it much bolder than my usual snob, To calm it down, I use cork as a liner; to punch it up I use currant and layer extra amps over it.

Fantastic medium pink, suitable on all skin colors. It's not blue-based like a lot of pinks (ahem, Gaga), and reminds me a bit of what a girl in a Bollywood movie would wear. A gorgeous "my lips but better" shade. This is a matte lipstick, so it does require a good lip balm underneath application; otherwise, you'll face really dry lips in about 15 minutes. Would definitely purchase again it only it weren't LE and sold out!