The 2014 Mercedes S Class was launched with four engine options. Among these were two engines that were offered as a hybrid.

2014 Mercedes S Class S500 Hybrid Plus

Auto Motor Und Sport has revealed that a Plug-In hybrid version of the new S Class is also in the works. This would be the flagship hybrid variant in the S Class lineup. Think of this as the AMG of hybrids. Speaking of AMG, the patent leaks reveal exhaust pipes designed to resemble those of the AMG models.

2014 Mercedes S Class S500 Hybrid Plus right side2014 Mercedes S Class S500 Hybrid Plus left side

It would likely be called the Mercedes S500 Hybrid Plus. While the 3.5-liter V6 petrol engine could be carried over from the S400 hybrid, a more powerful 109bhp electric motor would replace the 27bhp electric motor of the S400. As a result, the Hybrid Plus S500 is expected to pack even more torque and could possibly rival the S500 petrol in terms of performance.

2014 Mercedes S Class S500 Hybrid Plus rear

Increased performance is not the only thing the S500 Hybrid Plus promises. It is expected to set a new benchmark for fuel efficiency. Auto Motor Und Sport expects the S500 Hybrid Plus to deliver 3L/100km (about 33km/l)!

2014 Mercedes S Class S500 Hybrid Plus three quarter view rear2014 Mercedes S Class S500 Hybrid Plus front three quarter

Meanwhile, the base hybrid model is called the S300 Blue-Tec hybrid and it features a 2.2-liter four cylinder diesel engine (as seen on the C and E Class albeit in a different engine tune) coupled to an electric motor. The S Class in this spec is the most fuel efficient delivering 4.4L/100km (22.72km/l).

2014 Mercedes S Class S500 Hybrid Plus top

[Source - Auto Motor Und Sport]

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I'm the assistant editor of IAB, a true-blooded petrolhead. Hope you enjoy our news stories, launch coverages, motorshow coverages and test drive reports.

  • Kamal

    Great car with such low running cost. Just a confusion, you mentioned S500 3.6L gasoline consumes 3L/100 kms and S300 2.2 Diesel consumes 4.4L/100kms then how can S300 becomes most fuel efficient S class as it is sipping more fuel than S500 to cover the same distance. I think Diesel hybrids would give more mileage than petrol hybrids. Correct me if I’m wrong. Thanks