Hello all. My 89 300 SEL seems to be very sluggish off the line. New fuel filter and fresh tune up but very slow off the line. Fuel system seems clean and vehicle runs great and gets good mileage but unless you floor it and force a downshift to first it is slow. We have had this car for over 4 years and it has performed flawlessly. Any questions/suggestions are greatly appreciated.

Thanks

Steve

__________________
80 240D 440K (sold)
82 300SD 289K (sold)
85 300SD 295K (sold)
84 300D Turbo 188K (sold)
89 560SEC 135K (sold)
88 300SEL 139K (sold)
85 300TDT 146K (sold)
90 560SEL 127K "Black Moose"
89 300SEL 115K "Big Moose"
79 450SEL 145K "Old Moose"
84 380SL 103K
81 380SLC 145K
99 C230Kompressor 105K

you are probably running the the a /c and the pressure in the high side is dragging power from engine.are your aux fans running and is the fan clutch in good shape? either of these can cause eccessive pressure which makes compressor clutch drag on the belt and rob power.

__________________
David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg

Has it always been like this? Maybe a heavy car with a 6 cylinder just doesn't have the power? But, not sure if this works on your model year transmission, but, try this.

While stopped, in drive, with foot on brake, shift to the low gear position, then back into drive. This sets a one time first gear start. It works in my SL.
And the car launches much better.

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport