slow response

Hi, not sure if this is the right place to post, as I am a new member.... I have ML270, 2001.... Lately the following problems have started, since yesterday, my car won't start first time, it is drinking fuel, if I'm on even a slight hill my car has problems getting to 20mph.... Note this is...

Am I really alone with this problem? My 6 month old estate travels for about 20 feet at walking pace for about 2 seconds from a standing start before the power kicks in, even when flooring the accelerator pedal. This is a dangerously excessive delay in my opinion and has caused me several...