Skip to product information
1 of 6


Cybex Eternis S SensorSafe All-in-One Convertible Car Seat - Lavastone

Cybex Eternis S SensorSafe All-in-One Convertible Car Seat - Lavastone

Regular price $379.95 USD
Regular price Sale price $379.95 USD
Sale Sold out


The CYBEX Eternis S is the only seat your child will need from birth and beyond. With three modes - rear-facing, forward-facing, and booster, this All-In-One Convertible Car Seat is designed for use from birth up to 120 lbs.

Protection that Grows

Eternis S is an all-in-one convertible car seat that offers approx. 10 years of use and three modes. The Eternis S safety features include the adjustable Linear Side-impact Protection system (L.S.P.), which absorbs up to 25% more impact forces in the event of a near side-impact collision* and a patented 3-position reclining headrest that guides your child’s head into a safe and comfortable position. These features, combined with a steel-reinforced frame for strength and durability provide advanced child safety protection and peace of mind.

Tech Specs:

  • Group: All-In-One Convertible Car Seat
  • Height: max. 57 in
  • Weight: From 4 lbs. up to 120 lbs.
  • Age: From newborn to approx. 10 years


  • Internationally Patented 3-Position Reclining Headrest
  • In-Seat Recline
  • 12-Position Height-adjustable Headrest

Free shipping on orders over $49

Free shipping on all orders over $49 is available to Traveling Tikes customers in the lower 48 states. We do not offer shipping to Hawaii or Alaska or outside the United States.

Traveling Tikes orders are shipped via UPS/Fed Ex (smaller packages may ship USPS) from our warehouse in Los Angeles and South Carolina.

Transit time to your location is typically 1 to 5 days business days on average. Transit times are only estimates and are subject to change. UPS delivers packages on Monday thru Friday in most cities excluding rural areas. Fed Ex delivers Monday thru Saturday in most cities excluding rural areas.

Best Price Guarantee

Authorized Retailer

Visit Our Beverly Hills Store

View full details