Extang · New
Extang 18-20 Mercedes X-Class (1578mm) Trifecta e-Series
MPN 77890 · Store SKU ext77890
Supplier stock checked 11/7/2026, 12:35:17 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Trifecta E-Series is a soft folding truck bed cover topped with a durable vinyl material. Its lightweight aluminum frame and Extang engineered heavy-duty support bows span the width of the truck bed for added durability. For ease of use and to keep tension to the truck bed, the Trifecta E-Series is engineered with intuitive, spring-loaded tailgate clamps. Drive with the Trifecta E-Series in either the closed or the fully open position. Like all Trifecta covers, the Trifecta E-Series comes fully assembled with a simple no tools required installation process. Best of all, the entire cover can be removed in minutes to maximize space for large cargo. Extang Trifecta E-Series Cover - 2018-2020 Mercedes X-Class (1578mm) Trifecta E-Series 18-20 X-Class (1578mm) Mercedes X-Class (1578mm) 2018-24 Trifecta e-Series
Manufacturer fitment & guides
Check 77890 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
