Don't necessarily agree on your points

but I do agree: buy nice cars you really want in your life.

If you wish to own MB/BMW. Go ahead and buy one! Money comes and goes, you only live once and for that short period of time. On the other hand, you won't be bankrupted because you paid some extra to buy a MB/BMW instead of Camry/Accord.

You worked hard and you haven't asked much. You deserve a nice car!