Mercedes-Benz upgraded the Viano in 2010 and improved its engine lineup to the Euro 5a norm, which was introduced in January 2011.
The European regulations forced the carmakers to improve their cars. Along with the engines, there were other several measures that had to be adopted by the manufacturers, such as new safety features and recycled materials used to build new vehicles. Even though Viano was based on an LCV, it had to fit into the passenger-cars emission standards. Along with the mandatory modifications, the carmaker reshaped some body parts.
While the daytime running lights started to be mandatory, Mercedes-Benz chose to use LEDs for them. It also introduced an option for bi-xenon headlamps, which were not mandatory but looked better on a premium MPV. Its reshaped bumper featured a center grille and two side-scoops, unlike the single grille system used for the non-facelifted version. In the rear, the taillights were shorter, and the upper side of the D-pillars was black.
Inside, Mercedes-Benz offered new features for the Viano, including a reversing camera, which displayed the image on the Command infotainment unit. There were some additional reading lamps on the ceiling for the rear passengers.
Under the hood, Mercedes-Benz installed a wide range of diesel engines and a V6 gasoline. Despite having the 7G-Tronic gearbox already developed, the carmaker insisted on using the older 5-speed automatic, known for its reliability.
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