With genuinely trustworthy sources from the inside of Mercedes-Benz, who are revealing that German luxury automobile manufacturer will unveil their very first four-cylinder S-Class limousine by early 2011, it seems the trend of downsizing is about to get its largest rider yet.
For nearly 60 years, the S-class may be the head ruler who is at the top and leading the battle inside the luxury-car market, because it being the preferred limousine of choice by heads of state, prestige car clients, odd black marketers, and also the rich and renowned. Even so, it was under no circumstances meant to put into consideration the use of a modest four-cylinder engine in the past. But as a result of surge in ecological consciousness among fleet customers in the countries, retiring V.P. for the S-Class section, Hans Multhaurt said when he was at France earlier, that Mercedes would be required to put into the limousine by the coming year its twin turbo diesel four cylinder unit.
“I advised it, to include a 4-cylinder engine in the S-Class,” mentioned by the engineer.”It will not be a brand-new engine, however we need to do improvement on the OM651 diesel we have inside the C-Class and the E-Class. We have to do plenty of work into it to really make it more civilized though.”
The “work” mentioned includes focusing towards a power Production of 150 kW, that is a little short of around 40 kW in comparison with the existing S 350 Blue Tec V6 turbo diesel. This OM651′s 2.90 litre, four-cylinder engine’s stability shaft will likely be taken out by next season (2011) and also the internal vibration cancelling will probably be delegated to a crankshaft that employs an extra 10kg weight-spreading along its length.
Multhaurt admitted as well that plenty of work continues to be carried out decoupling the engine in the chassis for noise, vibration and harshness (NVH) reasons, additionally adding that several of the uglies must be removed from it.
“It is challenging to decouple it entirely for smoothness, as the water-cooling systems are fixed in the car. It is going to acquire two-stage turbo charging plus a dual-mass flywheel at the same time, and it should be a lasting element of the S-Class.”
“With the fleets and huge companies are being run, they aimed at fleet consumption as well as corporate emissions – this is why this 4-cylinder is under development.” Multhaurt further confirmed.
