SMART 453 Series User Manual

43
P01.10-3270-00
Introduction of the New smart fortwo coupé and smart forfour | Model Series 453
Engine M281
Powerplant
Brief description
The new smart will be launched with a newly developed
3-cylinder gasoline engine.
The M281 is available in three power variants in model series
453:
• Power-reduced naturally aspirated engine (45kW)
• Naturally aspirated engine (52kW)
• Turbocharged engine (turbocharger) (66kW)
The new M281 gasoline engines are all based on the same
engine platform. The different power variants are obtained
through different soware versions and turbocharging.
The different power variants of the M281 all fulfill the EU 6
emissions standard.
Charging
A turbocharger with bypass valve (wastegate) is used on the
new smart.
On the turbocharged engine, boost pressure control is
carried out through an electronically controlled boost pres-
sure control flap, which is actuated by the engine control
unit in accordance with a characteristics map and the load
requirement.
B
Note
Further information on the engine control system can
be found in the relevant GF documents in WIS.
M281 (naturally aspirated engine)
– This printout will not be recorded by the update service. Status: 06/2014 –

SMART 453 Series Specifications

General

Brand	SMART
Model	453 Series
Category	Automobile
Language	English