I have been checking the mpg on my 300SD and it has dropped from 26~27 mpg inthe summer and fall to around 20.5 now! The only difference is fuel. I am making the same commute, traffic is about the same, my speed is the same (70~75)

Has anybody else experienced this type of drop?

With the price of diesel 30 cents higher than gas, I might have to park my baby and go back to my other German car (1984 BMW 528e) It gets around 24mpg. Of course I would rather be in my big comfortable Benz as my commute is 2 hours each way!

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Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
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'57 Nomad