Mercedes-Benz India Issues E20 Fuel Advisory After Viral Mileage-Drop Claim

Mercedes-Benz India reiterated that E20 petrol should only be used in certified vehicles following YouTuber Sourav Joshi's viral claim of mileage falling from 17 to 9 to 5, fueling wider debate over India's ethanol-blending rollout.

— Source publishedMon, 13 Jul, 2026, 18:32 IST·First seen Mon, 13 Jul, 2026, 18:46 IST·Source NDTV Profit

What happened

Mercedes-Benz India issued a customer advisory reiterating that E20 petrol should only be used in certified vehicles, after YouTuber Sourav Joshi's viral claim

Key facts

  • mileage dropped from 17 to 9 to 5

Why this matters

The E20 rollout debate opens partnership and advisory opportunities around fuel-compatibility certification, consumer education, and aftermarket engine-tuning services.

What to watch

  • Government or ARAI independent mileage test results
  • Second viral influencer post amplifying or contradicting claim
  • Any recall or warranty exclusion language referencing E20
  • Fuel retailer pump-labeling policy changes
  • Consumer complaint volume spike or class-action chatter
  • Monitor other OEMs for follow-on E20 compatibility advisories
  • Track oil ministry / SIAM official statements on blending impact
  • Watch for premium fuel SKU positioning by retailers as a hedge
  • Assess warranty-clause messaging tightening across auto brands