hello.I have mercedes E220D ( W213) car and made in Japan. In my car there are just japanese and english languages. I want to add european language on my car. I encoding HU55 with Xentry, everthing done perfectly. But when i checked heatunit again there are just japanese and english language. Can you help me to how to fix ? And also i can not open navigation on my car. And if its possible, can you connect with my laptop to do it ?