can you put regular unleaded fuel in them?

Asked by LeahVanD23 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
195

Stuart answered 14 years ago

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

3 people found this helpful.
Mark helpful
17,055

Chase answered 14 years ago

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.
Mark helpful

Your Answer:

Related Questions

300-Class

Looking for a Used 300-Class in your area?

CarGurus has 4 nationwide 300-Class listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Mercedes-Benz 300-Class Questions

CarGurus Experts

  • #1
    James Ramond
    Reputation
    310
  • #2
    Paul
    Reputation
    300
  • #3
    Storm_2308
    Reputation
    260
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Mercedes-Benz 500-Class
1 listing
Used Mercedes-Benz SL-Class
8 Great Deals out of 129 listings starting at $9,900

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. Content will be removed if CarGurus becomes aware that it violates our policies.