Originally Posted by skytop
The multi speed A/C compressor comes from Mercedes who has developed the technology a number of years ago to promote energy savings.
Note: High end home and commercial A/C compressors use multi speed technology to match output with load to achieve energy conservation and reduce noise of operation.
Yes, and the press release explained that this new multi speed compressor can yield up to a 0.4% increase in fuel economy.
BTW, I was shocked to see the options on the 2014 Limited rear limited to only the 3.21 or the 3.92. For 2013, the 3.55 was the only offering in a Limited.
Also, Trailer Tow Mirrors were not available as an option on the 2013 Limited when I ordered, but were available on my 2014 Limited order. I still did not choose them, as I love the power folding feature of the standard mirrors.