The Mercedes-Benz A-Class Limousine is a compact luxury sedan that offers a stylish and modern take on the traditional four-door sedan. 

1] Engine and Transmission:-
1.The A-Class Limousine is powered by a 1.3-liter four-cylinder engine that is capable of producing up to 161 horsepower and 184 lb-ft of torque. 
2.The engine is paired with a seven-speed dual-clutch automatic transmission, and can accelerate from 0 to 60 mph in just over 7 seconds. 

2] Safety:-
The A-Class Limousine also comes with a range of advanced safety features, including adaptive cruise control, automatic emergency braking, and lane departure warning.

3] Features:
Interior:
1.The A-Class Limousine offers a spacious and comfortable interior that is loaded with advanced technology and features. 
2.It comes equipped with a high-resolution infotainment system, a digital instrument cluster, and voice recognition, as well as Apple CarPlay and Android Auto connectivity. 
3.Additionally, the A-Class Limousine features a range of driver assistance systems, including a 360-degree camera system and blind-spot monitoring.

4] Overall, 
The Mercedes-Benz A-Class Limousine is a top-of-the-line luxury sedan that offers a perfect balance of style, technology, and performance. 
It is the perfect choice for drivers who want a compact sedan that is both practical and luxurious, and is a true testament to Mercedes-Benz's commitment to excellence.