Mercedes-Benz has released a trio of plug-in hybrid (PHEV) models in Australia this week - the C350e sedan and estate, GLE500e SUV and the S500e limousine.

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Following the debut of the S500 Plug-in Hybrid nearly three years ago and the C350 Plug-in Hybrid’s Detroit motor show reveal in January 2015, the three PHEV models are available to order now in Mercedes-Benz dealerships.

The new models will take the fight to the already available BMW 330e, X5 xDrive40e, and the 740e iPerformance newly detailed for global markets just this week.

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C350e

Starting at $75,300 plus on-road costs for the sedan and $77,800 plus on-roads for the estate, the C350e combines the C250’s 155kW/350Nm 2.0-litre turbocharged petrol engine with a 60kW electric motor.

Maximum output is rated at 205kW of power and 600Nm of torque, while sipping fuel at a claimed rate of 2.4L/100km for the sedan and 2.6L/100km for the estate. Mercedes-Benz claims the C350e has a pure-electric range of up to 31 kilometres.

While the C350e can’t match the BMW 330e in price ($71,990 plus on-roads), all-electric range (37km) or fuel-consumption (2.1L/100km), the Mercedes-Benz produces 20kW and 180Nm more than its Bavarian rival, and claims to be 0.2 seconds quicker from 0-100km/h.

Mercedes-Benz says the C350e will come standard with air suspension and pre-entry climate-control - which keeps your car at a comfortable temperature while you’re away.

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GLE500e

Next up is the GLE500e SUV, priced from $124,900 before on-road costs - exactly $6000 more than the BMW X5 xDrive40e ($118,900).

While a significant price gap, the GLE500e employs a 245kW/480Nm twin-turbo 3.0-litre V6 from the GLE400 coupled to an 85kW electric motor, with a combined output of 325kW of power and 650Nm of torque.

By comparison, the X5 xDrive40e uses a 2.0-litre turbo petrol with a transmission-integrated electric motor which claims a combined output of 230kW of power and 450Nm of torque - 95kW and 200Nm less than the GLE500e.

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That extra power helps the GLE500e to be 1.5 seconds quicker from 0-100km/h than the equivalent X5, claiming a 5.3-second sprint, and is capable of reaching 130km/h in EV mode.

Despite the extra performance, the GLE 500e matches the X5 xDrive40e’s claimed fuel consumption of 3.3L/100km.

S500e

The third plug-in Mercedes-Benz is the S500e, which starts at $319,715 plus on-road costs.

Using the same powertrain as the GLE500e, the S500e produces a combined 325kW of power and 650Nm of torque from its twin-turbocharged 3.0-litre V6 coupled to an 85kW electric motor.

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Sipping just 2.8L/100km (claimed) on the combined cycle, the long-wheelbase S500e is capable of a 5.2-second 0-100km/h sprint and can rely on all-electric power for up to 33 kilometers.

These figures make the S500e 85kW and 150Nm more powerful than the yet-to-be-released 740e iPerformance, 0.3 seconds quicker to 100km/h than the long-wheelbase 740e, but 0.5L/100km thirstier.

Like its C350e and GLE500e stablemates, the S500e comes fitted with a pre-entry climate control system as standard. All three plug-in hybrids claim a top speed of 210km/h.

Available to order now, these three new variants will make their official debut later this month. Watch for more details to come then.

Pricing (before on-road costs): 

C350e sedan - $75,300

C350e Estate wagon - $77,800

GLE500e - $124,900

S500e - $319,715