Cybex Eternis S Convertible 3-in-1 Car Seat - Denim Blue

Cybex Eternis S Convertible 3-in-1 Car Seat - Denim Blue

Model Number: Eternis Sensor Safe
Web Code: 14643679
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Maximise your baby's safety for years to come in the Cybex Eternis S convertible 3-in-1 car seat. It's equipped with tonnes of features to help protect your little one and give you added peace of mind. It features a SensorSafe chest clip that sends alerts to your phones, an energy-absorbing shell and base, and a steel-reinforced frame for reliable strength.

Return Policy

30 days to return or exchange

Condition: Unopened

Learn more about returns

Weight capacity

  • Rear-facing: 1.81kg to 22.68kg
  • Front-facing: 9.98kg to 29.48kg
  • Booster seat: 18.14kg to 54.43kg

Safety features

  • 5-point harness keeps your little one in the proper position for safety
  • LATCH system allows you to install the car seat securely in an instant and the straps store neatly under the seat when not in use
  • Linear Side-Impact Protection absorbs impact forces to help protect your little one in a collision
  • Smart-tech harness chest clip with SensorSafe sends alerts to your smartphone if an unsafe situation arises in the back seat (not used in belt-positioning booster mode)
  • Three-position reclining headrest keeps your little one's head and neck in a safe position, even if they fall asleep
  • Anti-rebound bar reduces seat rebound movement in the event of a collision
  • Steel reinforced frame provides reliable strength and long-lasting durability
  • Energy absorbing shell and base minimises the amount of force your child would feel in a collision
  • Dual belt adjusters help to ensure a snug fit for maximum safety
  • Dual-level indicators allow you to easily see when the seat is positioned at the proper angle

Other features

  • 3-in-1 design transforms from a rear-facing infant seat to a forward-facing car seat to a booster seat for years of use
  • In-seat recline offers ergonomic positioning and extra legroom so your little one can ride rear-facing longer
  • 12-position, height-adjustable headrest with no-rethread harness allow you to easily customise your child's comfort
  • Six-position, one-hand adjustable recline lets you tailor the positioning to best fit your car
  • Magnetic buckle holders provide easy entry and exit from the seat
  • Removable newborn insert provides essential support for babies weighing 2.3kg to 5kg
  • Dishwasher-safe cup holder can be positioned on either side of the seat for versatile convenience
  • Harness pads and 2-position padded buckle keep baby comfortable for the ride
  • Removable seat cover goes right into the washing machine to keep it fresh and clean
Car Seat Type
3-in-1 Convertible High-back Booster Car Seat
Car Seat Orientation
Rear-facing Car Seat
Forward-facing Infant Car Seat
High-backed Booster Seat
Harness Points
Base Material
Steel & Plastic

Safety Requirements

Minimum Seat Weight Capacity
1.81 kg
Maximum Seat Weight Capacity
54.43 kg
Minimum Child Height
43.18 cm
Maximum Child Height
144.78 cm
Weight Capacity:Front Facing(Min)
9.98 kg
Weight Capacity:Front Facing(Max)
29.48 kg
Weight Capacity:Rear Facing(Min)
1.81 kg
Weight Capacity:Rear Facing(Max)
22.68 kg
Weight Capacity:Booster Seat(Min)
18.14 kg
Weight Capacity:Booster Seat(Max)
54.43 kg

Popular Features

Cup Holder
Removable Seat Cushion
Washable Fabric
LATCH System
Aircraft Certified
Denim Blue
Country of Origin


50.17 cm
64.77 cm
64.14 cm
25.99 kg
  • Car Seat
  • Cup Holder
  • Instruction Manual