MOTOR Mercedes Benz The Mercedes-Benz S 350 has a new V6 3.7 liter engine that develops 245 bhp of peak power and 350 Nm at 3,000 rpm maximum torque. This engine is made on the basis of the previous 3.2-liter V6 and 224 hp using the S 320 it replaces. Has increased the diameter of the pistons (97.0 mm instead of 89.9 mm) to increase capacity.With this engine has improved performance and reduced consumption: it accelerates from 0-100 km / h in 7.6 s and has a top speed of 246 km / h (the S 320 accelerated at 8.2 s and reaches 240 km / h . Its average consumption is 11.1 l/100 km, 3.5 percent less than it did the previous S 320. comparative sheet 350 and S 320 S The V8 engine of S 430 and S 500 remain unchanged. Develop 279 and 306 hp respectively and offer a couple of 400 Nm and 460 Nm.Both are self-limited top speed of 250 km / h, acceleration 0-100 km / h in 7.3 and 6.5 seconds respectively and a very similar average consumption (11.5 l/100 km on S 430 and 11 , 9 l/100 km on S 500).