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  #1  
Old 08-11-2007, 10:03 PM
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Gas Mileage

I purchased my 84 380sl to be my dailey driver, but the gas prices are killing my pocket. I wanted to know what you guys are getting on gas mileage from your sl's? On a full tank i get about 240 miles is that normal or could i be doing better if so what can i do to better this?..Thanks
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  #2  
Old 08-12-2007, 12:57 AM
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My daily driver 84 380 puts on 300 mi/wk. Mostly freeway, 20-21 mi/gal.
Check o2 sensor. When mine went bad, I was looking at around 14 mi/gal.
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  #3  
Old 08-12-2007, 01:08 AM
88Black560SL
 
Join Date: Oct 2004
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I gas up at around 280 miles for my 560SL's. Mostly highway.

John Roncallo
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  #4  
Old 08-12-2007, 09:13 AM
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Quote:
Originally Posted by benz05 View Post
I purchased my 84 380sl to be my dailey driver, but the gas prices are killing my pocket. I wanted to know what you guys are getting on gas mileage from your sl's? On a full tank i get about 240 miles is that normal or could i be doing better if so what can i do to better this?..Thanks
You should be getting better on a 380SL. My 450SL has averaged 14 mpg in mostly stop & go driving and I tend toward jack rabbit starts. I get about 18 on the freeway. You should be getting around 20-22 on the freeway.
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  #5  
Old 08-12-2007, 03:41 PM
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You didn't what type of driving you doing - city? highway? mix of both or how you drive - easy on the gas or jackrabbit starts but if you're doing primarily rush hour driving that wouldn't surprise me. Personally I get about 17-18 mpg in fairly light traffic urban traffic and 21-23 mpg for highway driving if I stay under 70 which I think isn't too bad for a car that weighs about 3500 lbs, has a v-8 engine, is stuck with an automatic, and has the aerodynamic properties of brick.
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  #6  
Old 08-16-2007, 02:00 AM
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Most of my driving is highway about 95%, I try to keep it around 65-70mph. I try to keep the needle out of the red and in the economy side on the economy gauge (not sure what that gauge is called sorry). On a car this old should i use regular 86 gasoline or permium 97? Thanks
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  #7  
Old 08-16-2007, 02:58 AM
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I hate to make you guys envious, but I get on average 23 MPG in my 1999 SL500. It was on of the reasons I chose a later model SL. Even with some now and then agressive accelerations the mileage is even better than my 98 Ford Ranger, which only has a 3.0 V-6.
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  #8  
Old 08-16-2007, 08:00 AM
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Originally Posted by skybound View Post
I hate to make you guys envious, but I get on average 23 MPG in my 1999 SL500.
I get even better mileage than that in my Acura CL. Plus I get better acceleration, better cornering, more features and better reliability. I didn't get my 450SL hoping for good mileage, I got it because I wanted a project car and I love the 107.
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  #9  
Old 08-16-2007, 04:29 PM
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Talking

I knew going into this car that the gas mileage wasnt the best, but i love the car. So ill shut up any pay at the pump $$$$$$$$$$$$$$$$$$$$
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  #10  
Old 08-16-2007, 05:19 PM
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Well at least the 380sl has one saving grace over the sl's. It uses regular gas.
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  #11  
Old 08-19-2007, 08:52 AM
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hey London

The manual states... use high octane fuel.... what's this regular gas stuff??
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  #12  
Old 08-19-2007, 04:10 PM
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A 500 SL AMG with a dogleg close-ratio five speed? I don't even want to know the mpg.
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  #13  
Old 08-25-2007, 04:34 AM
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Hmmm

Quote:
Originally Posted by skybound View Post
I hate to make you guys envious, but I get on average 23 MPG in my 1999 SL500. It was on of the reasons I chose a later model SL. Even with some now and then agressive accelerations the mileage is even better than my 98 Ford Ranger, which only has a 3.0 V-6.
Yes, you are pretty lucky. Although my 91 SL500 has the wonderful M119 engine, it only gets around 15 MPG (partly because of the way I drive, and the amount of stoplights and hills around here).
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  #14  
Old 08-25-2007, 10:30 AM
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Originally Posted by POS View Post
A 500 SL AMG with a dogleg close-ratio five speed? I don't even want to know the mpg.
Why bother.enjoy the ride!
MPG is for Honda drivers...I get 13 in town and I
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  #15  
Old 08-25-2007, 01:48 PM
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Gotta agree with TheV12pwr… enjoy the ride in your MB convertible. Here’s the MPG’s for the vehicles in my ‘stable’:
SL600 – 15.5 mpg (18.8 cents a mile at $2.90 per gallon)
SL500 – 16.4 mpg
ML430 – 18.4 mpg
240D – 22.5 mpg
Dodge Neon – 23.8 mpg (10.9 cents a mile at $2.60 per gallon)

The top 3 all take premuim fuel, diesel for the fourth and cheap, non-Citgo regular for the fifth. If I went by strict gas mileage, I’d be driving a 2002 Dodge Neon… and having zero fun.

Cheers,
Jeff
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'01 ML430 (123K) Black/Saddle - Wife's Ride
'94 SL500 (164K) Green/Champagne - Daughter's Dream
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