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Old 06-28-2009, 10:00 PM   #2
Ubergeist
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Join Date: Jan 2007
Location: Chicago
Posts: 232
Drives: w208 CLK55
Quote:
Originally Posted by JYO View Post
If I set cruise at 80 MPH my tach reads 2800 RPM

at 70 MPH it reads 2500.

This seems too high compared to a 3.5L Honda Odyssey V6 (2200 and 2000 RPM respectiveley) or to my E320 V6. Almost seems like it needs an extra gear for highway driving. I have checked it on "comfort" and "sport" modes.

Is this just the way the transmission is tuned to operate?
I want to say I am at around 2400 at 80. I'll pay attention when I'm on the highway next trip.
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