Here are the details of the two models according to the brand's website: Solution M-Fix SL Optimal protection for older children The Solution M-Fix SL stands out for its innovative safety and comfort features such as the Linear Side Impact Protection (L.S.P. System), the 12-position height adjustable backrest and the air circulation system. Linear Side Impact Protection (L.S.P. System) 12 position height adjustable backrest ISOFIX Connect Optimised air circulation system ------------------- Solution M-Fix car seat As a member of the successful Solution series, the Solution M-Fix is equipped with a patented reclining headrest that prevents the child's head from falling dangerously forward when sleeping. A new vision of safety The most important element in the safety concept of the Solution series is the patented CYBEX tilting headrest. It cleverly prevents the child's head from falling forward, even when sleeping. The individually adjustable Linear Side Impact Protection (L.S.P. Plus System) ensures the highest levels of safety and comfort. The ISOFIX Connect System further improves the safety and stability of the seat. Also compatible with vehicles not equipped with ISOFIX. Patented reclining headrest Individually adjustable Linear Side Impact Protection (L.S.P. Plus) Optimised air circulation system 12 position height adjustable backrest ISOFIX Connect for more safety and stability

If this is how it is described, then it should work :-)

You must have an isofix device in the car, then the seat will fit. The newer cars should have one integrated

This is the M-Fix SL model. We have adjusted the information accordingly. Thank you very much for your report.