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Info guides and mods

Electric Drive Charger Type

Modification Details




How Do I Know What Charger I Have?

There's not much point paying out for a fast charger if your car doesn't support fast charging.

There are various ways to see which charger you have but the easiest way is just to look at the charger port.

451 Fortwo ED (Electric Drive)

The following information is for the 451 ED.



Type 2 Socket 3.7kW Charger

Notice that, although there are 7 holes, the socket only has 5 pins.
Position L2 and L3 are empty. This is the standard slow charger.



Pin Designation

Pin Function
PP Proximity Pilot - Pre-insertion signalling
CP Control Pilot - Post-insertion signalling
L1 Line 1 - Single phase
Earth Protective Earth
N Neutral

Type 2 Socket 22kW Charger

The fast charging 22kW socket has all 7 pin positions populated.



Pin Designation

Pin  Function
PP Proximity Pilot - Pre-insertion signalling
CP Control Pilot - Post-insertion signalling
L1 Line 1 - 3 Phase AC
L2 Line 2 - 3 Phase AC
L3 Line 3 - 3 Phase AC
Earth Protective Earth
N Neutral

American Smarts

I don't have any photos of the US 451 or US 453 charge socket, however, it's not Type 2 like every other country.
If you can send me a photo of yours, great.


Type 1 Socket



There is no 22kW option on the US smart.

The 451 had a 3.3kW charger.

This was the only options for that model.

Pin Designation

Pin Function
N Neutral
L1 Line 1 - Single phase
CP Control Pilot - Post-insertion signalling
PE Protective Earth
CS/PP Control Status / Pre-insertion signalling


453 Fortwo & Forfour ED/EQ (Electric Drive)

The following information is for the 453 Fortwo & Forfour ED and EQ.

Type 2 Socket 7.2kW Charger

Notice that, although there are 7 holes, the socket only has 5 pins.
Position L2 and L3 are empty. This is the standard slow charger.



Pin Designation

Pin Function
PP Proximity Pilot - Pre-insertion signalling
CP Control Pilot - Post-insertion signalling
L1 Line 1 - Single phase
Earth Protective Earth
N Neutral

Type 2 Socket 22kW Charger

The fast charging 22kW socket has all 7 pin positions populated.



Pin Designation

Pin  Function
PP Proximity Pilot - Pre-insertion signalling
CP Control Pilot - Post-insertion signalling
L1 Line 1 - 3 Phase AC
L2 Line 2 - 3 Phase AC
L3 Line 3 - 3 Phase AC
Earth Protective Earth
N Neutral

American Smarts

I don't have any photos of the US 451 or US 453 charge socket, however, it's not Type 2 like every other country.
If you can send me a photo of yours, great.


Type 1 Socket



There is no 22kW option on the US smart.

The 453 had a 7.2kW charger.

This was the only options for that model.

Pin Designation

Pin Function
N Neutral
L1 Line 1 - Single phase
CP Control Pilot - Post-insertion signalling
PE Protective Earth
CS/PP Control Status / Pre-insertion signalling


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