The base entry-level of the already unveiled Mercedes-Maybach S600, the S400, has been recently caught on a spy video while undergoing some road tests.

The video is only showcasing the rear end of the S400 while cruising the streets of Stuttgart, in Germany.

Mercedes-Maybach S600
Mercedes-Maybach S600

According to our sources, the Mercedes-Maybach S400 would only be launched with the 4MATIC all-wheel drive configuration, while under the hood, a 3.0-liter V6 unit will set in, developing 333 horsepower and 480 Nm of torque.

Mercedes-Maybach S600
Mercedes-Maybach S600

Other versions will be added to the model, meaning the S500, with a 4.7-liter V8 unit, developing 455 horsepower and 700 Nm of torque.

Mercedes-Maybach S600
Mercedes-Maybach S600

The Mercedes-Maybach S600 was recently unveield at the 2014 Los Angeles Auto Show and then taken to the 2014 Guangzhou Motor Show, where the model will be first launched.