wtf horrible MPG!!!
Thread Starter
MBWorld Fanatic!
Joined: Oct 2004
Posts: 2,139
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From: NYC
S550
wtf horrible MPG!!!
I was just looking on my display and it claims i am getting 11.6 mpg!! maybe i have a v8 under the hood 
every day i drive about 40 miles of highway to and from work (in a calm matter so i get about 18mpg ) then when i drive around in town it shoots down to 11.6!! this can not be normal and i dont drive that crazy (no stoplight redline accelerations etc) so what can i be doing wrong? its not the gas either i always put premium
also a little
but what should be the correct tire pressures for the 17 inch wheels with the michelin pilots?
every day i drive about 40 miles of highway to and from work (in a calm matter so i get about 18mpg ) then when i drive around in town it shoots down to 11.6!! this can not be normal and i dont drive that crazy (no stoplight redline accelerations etc) so what can i be doing wrong? its not the gas either i always put premium
also a little
but what should be the correct tire pressures for the 17 inch wheels with the michelin pilots?
Junior Member
Joined: Feb 2005
Posts: 64
Likes: 0
'03 M5
The inside of your door should have a tag on it that lists the recommended tire pressure for the stock wheel/tire setup. Tire pressure reading should not be taken after driving, since the tires will be warm, which will effect the reading.
Senior Member
Joined: May 2002
Posts: 417
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From: Los Angeles
2003 CLK 320
It depends where you live. City driving in Salt Lake City is very different from city driving in los angeles. Stop and go traffic easily lower your mileage. I get around 12 in west los angeles because I tend to drive during rush hours.
Senior Member
Joined: May 2002
Posts: 417
Likes: 0
From: Los Angeles
2003 CLK 320
the formula used to calculate the city driving mpg is flawed and no longer reflects actual city driving. Automakers continue to use it because it produces higher numbers although their may be changes maded due to consumer complaints. This is used by all automakers not just Mercedes. In any case, expect 17-18 normal city driving 12-14 in congested traffic. Also depends on air conditioning, tires, tire pressure, weather, etc... I've gotten 5-8 before in jammed traffic.
