Model Power Output Bore Stroke Compression Ratio Compression 450 fortwo 600cc Petrol 33kw - 45bhp 63.5mm 63mm 9.5 : 1 12bar 450 fortwo 600cc Petrol 40kw - 55bhp 63.5mm 63mm 9.5 : 1 12bar 450 fortwo 800cc Diesel 30kw - 41bhp 65.5mm 79mm 18.5 :1 18.5bar 450 fortwo...
Smartmods
for all your modding needs, recommended by Evilution
Info
Connection Reference Numbers
KL is the abbreviation for 'klemme' which is the German term for connector / connection. The Klemme KL code tells you how a power or earth wire functions on a diagram. Used On Smart Wiring Diagrams KL15 is ignition switched live KL30 is battery permanent live KL31 is...
Coolant Temperature Concerns
OMG, my engine is running far too hot! Calm down Mr American, you are suffering from ”too much information”.
Cylinder Numbering
In which order are the cylinders numbered?
Demisting The Windscreen
The smart suffers from misting windows quite badly. Here is why and how to conquer it
Detailing Your Smart
If you want your car looking better than clean
Dip Stick Lengths
There's a joke you see every now and then when someone says they have a low oil level. "Get a longer dip stick" How Long Is Your Dip Stick? I sometimes get asked the length of specific engine dip sticks. Either they have lost or broken their one or they are sold a...
Do I Have Power Steering
Its a question I hear a lot and the replies are confusing, hard to follow and sometimes wrong.
Driving/Moving Abroad
if you are driving abroad you could adjust your headlights. You have a few options depending on the style of light you have.
Dump Valves – Are They Worthwhile
The fact of the matter is that almost all of the respected smart tuners will not fit a dump valve, that goes for Brabus as well and they should know what they are talking about.The reason is because they were using stock DVs and didn't consider a smart specific DV....
DVR Car Cameras
Here is what I have learned about in car cameras
E10 Fuel
What Is E10 Fuel? It's a standard 95 octane fuel that has 10% of the volume replaced with ethanol. What Is E5 Fuel? It's a standard 97+ octane fuel that has 10% of the volume replaced with ethanol. What Is Ethanol? It's alcohol. The same stuff in your alcoholic...
ED 451 Fuse Layout
451 ED (Electric Drive) Fuse Layout No Amp. Colour 1 Not used empty empty 2 Windscreen wipers 25 A Neutral 3 Window lifter motor, left and right 20 A Yellow 4 Heater blower 25 A Neutral 5 Fog lights, LED DRLs 10 A Red 6 Parking lights & Tail lights right, speedo...
Electric Drive Charger Type
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...
Electric Drive Charging Fault
History In early 2022 I had an issue with my 453 forfour not charging using the proper wall charger. However, my 451 ED charged fine on the same charger. I just presumed that there was a hardware issue with the car since MB Star Diagnostics was claiming there was an...
Electric Drive Servicing
Servicing An Electric Drive Smart Smart royally screw over electric drive owners when it comes to servicing. Considering there's no oil, oil filter, air filter, spark plugs, V-belt or valve adjustment to be changed, they actually charge more to service an electric...
Emergency Rescue Sheets
When a car is in a crash, it's of vital importance that the fire brigade know everything they need to know about the car. The important information usually includes the locations of: Airbags Seat belt tensioners Body reinforcement Fuel tank (petrol & diesel)...
Engine Misfire
Misfire - What Is It? When an engine is running properly, each cylinder is "firing". For the cylinder to fire correctly, it needs certain variables. It needs fuel, oxygen, heat and pressure. Fuel - Petrol (gasolene), diesel or LPG. Oxygen - Atmospheric air contains...
Engine Oil Capacity
Engine Oil Capacity Different spec sheets suggest different quantities although they are all very similar. Here is an approximate oil capacity for each of the smart engines. These capacities are for filling a new engine. When you do an oil change, you will not be able...
Euro Emissions Standards
If a car is to be sold in Europe, it must conform with Euro emissions standards