Mercedes-Benz has registered the new trademark "Grand Top" with the German Patent Office, sparking immediate speculation. Typically, such applications offer the first hint of future models or special editions, and the market is already buzzing about what the new name might conceal.

One possibility is a luxurious variant of the Mercedes-Maybach S-Class featuring the rare landaulet format, where the rear section of the roof opens to create an ultra-premium limousine effect. The Maybach GLS is also being considered as a candidate, as the brand actively seeks new niches in the ultra-expensive SUV segment.

Another theory points to the performance division AMG. Grand Top could become a concept for a targa version of the AMG GT. This model currently competes with the Porsche 911, and expanding body-style options could strengthen the brand's position.

However, there is a more mundane explanation. Grand Top might simply be the name for a new roof or exclusive panoramic covering, similar to how Rolls-Royce uses the Starlight Headliner.

For now, the brand's purpose remains secret, but the registration fact indicates that Mercedes is preparing a new luxury option or model related to roof design. The coming months will reveal just how significant this new development turns out to be.