radio removal on 2000 ML430

Have radio keys. Right side of radio will not unlock to allow for removal (key just slides in and out..no resistance as there is on left). Removed glove box,
tried from the side. No luck. Any ideas?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.