Maxi-Cosi FamilyFix Car Seat Base

Product information

The Maxi-Cosi FamilyFix car seat base features an ingenious light and sound LED display to rule out any incorrect fitting, ensuring absolute safety.

The first green light signals the correct fit of the base onto the IsoFix anchoring points in the car.

The second light confirms that the support leg has been clicked into the right height and position.

Finally, the third green light gives parents the all-clear that the Maxi-Cosi Pebble (Group 0+, sold separately), Maxi-Cosi CabrioFix (Group 0+, sold separately) or Pearl (Group 1, sold separately) car seat has clicked securely onto the base.

Three green lights and one beep tells you you’re safe to go!

Compatible with Maxi-Cosi CabrioFix, Pebble and Pearl infant carriers and car seats. 


Under no circumstances should a car seat be used on a passenger seat where there is an airbag.
Correct fitting of all car seats and boosters is of paramount importance to make them most effective in the event of an accident.
Not all car seats or bases fit all cars and it is important to check for fitting suitability on all cars you intend fitting the seat to, as well as re-checking if you change your car.
Always read the instruction booklet which comes with your car seat to achieve a safe and correct fitting, retaining the guide for future reference. We recommend fitting your car seat in advance of first using it.
We recommend that babies shouldn`t be left in Group 0/0+ car seats (infant carriers) for prolonged periods.


Please make sure that you check the car seat or base you choose is suitable for your car before ordering.
Some of our shops offer a car seat fit test, where a Nursery advisor will test the display model in your car to check that it will fit properly. Please contact your local shop to see if this service is available. Alternatively, please contact the car seat manufacturer who will be able to advise whether their model will be suitable for your car.
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Age Suitable For
Compatible with carseats
Maxi-Cosi CabrioFix, Pebble and Pearl
H48-65 x W35 x D55cm
Eligible for International Delivery
Group band
0+ and 1
Isofix compatible
Manufacturer's Warranty
2 years
Washing Instructions
Wipe clean only


Click & collect

Free from John Lewis or Waitrose shops for collection tomorrow from 2pm
366 participating John Lewis and Waitrose shops

Collect + from a local shop from tomorrow - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


International delivery available

  • Europe (Non EU) - £7.50
  • Europe (EU) - £7.50
  • Rest of World - £25.00
  • Australia - £25.00
Provided by JL Delivery Ltd - more about international delivery

We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.


Find out more about returning products

Q & As

Rated 4.9 out of 5 by 44 reviewers.
Rated 5 out of 5 by Great product! This base is excellent. Initially we bought a different one which didnt have the isofix- we found that it didn't seem Sturdy enough. This one however is solid. And the sounds it makes when correctly configured, give u peace of mind. Also it is easier to get the carseat off the base in comparison to the previous maxi cosi model. Definitely recommend! 03 March 2015
Rated 5 out of 5 by I'm more comfortable too As Granni to Oliver, I don't need to use the car seat that often - so had been 'making do' with seat belt security. However, I never felt that comfortable doing that and so decided to buy the seat base. It is so easy to use, the green light system gives me assurance and so Oliver and I are both more comfortable knowing he is safe. You really can't put a price on safety of your precious grandchild, but already I have used it more than I thought I would and so it becomes better value for money 18 September 2014
Rated 5 out of 5 by easy to install Arrived quickly and easy to install, pleased with this product and was price comparable to other retailers 09 September 2014
Rated 5 out of 5 by Invaluable Worth it's weight in gold for both convenience & peace of mind ( it beeps to ket you know the seat is attached securely) 10 August 2014
Rated 5 out of 5 by Must have for any new parent. This really is one of the best baby purchases I have made. It makes getting baby in and out of the car so easy. No fiddling about with seat belts. Just clips in and out and doesn't disturb baby at all. Its also really easy to install the base into the car. Highly recommend this product. 11 July 2014
Rated 5 out of 5 by So easy to use! Having faffed around securing our previous car seat with the seat belt, this base makes life so much easier. It was really simple to fit and it's very secure. The only downside is the price but we should get several years use out of it. Overall, I'm very happy! 09 July 2014
Rated 5 out of 5 by Makes life easy I did a fair bit of research before buying the FamilyFix Base + Maxi Cosi Car seat and also used John Lewis's very handy car seat fitting service before buying. We haven't been disappointed with either. The base fits easily into the back seat of our car and makes things much easier getting baby in and out in her car seat. You just pop the seat in and wait for the beep or pull the lever to remove the car seat, no faffing around with seat belts required. Would have no problems recommending to others. And the Family Fix base will take a toddler car seat as well, so only one base needed for the first few couple of years. 05 May 2014
Rated 5 out of 5 by Best baby purchase ! I purchased this maxi cosi family fix base for my newborn on the advice of a friend. I am so glad I did. Base was very easy to fix in the car and 3 lights indicate that the base is secure to the isofix points in the car, the leg is secure to the floor and a third to ensure seat is correctly secured to base. There is also an audible bleep to let you know that these points have been met. It is eas to fit and can be used for the second stage seat as well so very good value for money. So much easier than putting a seat belt over car seat and worrying it is not secure. Would definitely recommend this product 26 March 2014
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