can you put regular unleaded fuel in them?

Asked by Apr 16, 2010 at 11:43 AM about the 1990 Mercedes-Benz 300-Class 4 Dr 300E Sedan

Question type: General

I was just wondering if it's ok to put regular unleaded fuel in them? It's says premium fuel only on the gauges.  

3 Answers

185

noooooo. all gasoline mercedes require premium fuel. regular fuel will damage it.

3 people found this helpful.
8,465

no. pre-detonation will occur throwing the firing of each cylinder off. you will lose significant power and engine efficiency. the loss of efficiency will cost you more in gas than putting the right grade of fuel in.

2 people found this helpful.
125

No!

1 people found this helpful.

Your Answer:

300-Class

Looking for a Used 300-Class in your area?

CarGurus has 169 nationwide 300-Class listings starting at $3,995.

ZIP:

Mercedes-Benz 300-Class Experts

  • #1
    James Ramond
    Reputation
    270
  • #2
    Tom Demyan
    Reputation
    240
  • #3
    COMETGUY61
    Reputation
    210
View All

Related Models For Sale

Used BMW 3 Series
1,037 Great Deals out of 30,174 listings starting at $900
Used Mercedes-Benz SL-Class
64 Great Deals out of 2,876 listings starting at $4,930
Used Mercedes-Benz G-Class
9 Great Deals out of 1,713 listings starting at $26,950
Used BMW 5 Series
404 Great Deals out of 16,896 listings starting at $1,653

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.