My Smart car battery is flat can I bump start it? [452]

Yes, see section 10 32 of the 452 manual. This is the procedure from the manual for the 450 / 452 always make sure it is safe to do so ,*safety note potential hazard item* Turn ignition to position 1 Put the handbrake on Press the footbrake and hold Hold the gear lever in the forward + position Release the footbrake Press the accelerator to the floor (while stationary) Release the handbrake and start rolling (you need a good shove though or steep hill) Once moving the clutch will automatically engage and the engine will start