If something’s worth doing, it’s worth doing properly!
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
Clips And Fixings
Photo & Part Number 0001791V000000000 0009222V000000000 0014670V000000000 Q0006449V001000000. - Used on 450 arch liner and rear lights. A0009912098 0010676V000000000 0007371V000000000 No yet known A0059900412 A0009982285 A0009982485 A0009905492 A0059906912...
Clutch Adjustments
The clutch actuator pushes the arm that moves the clutch in and out.
Coding DAB To 453 R-Link Stereo
If you have the R-Link stereo and don't have DAB radio, you can probably* code it with DDT4All for free in about 5 minutes. Older models of 453 may not have the hardware but that's covered later. This was in a car I was playing with. It had the R-Link stereo but no...
Coil Pack Removal
The coil packs convert the car battery power to a high voltage, low ampage current that is sent to the spark plugs via the HT leads.
Cold Air Feed Or Not?
F*** you I won’t do what you tell me.
Colour Coding
Take a look at any smart and you will soon notice things that don't quite match.
Common Questions
Common questions, self explanatory really
Compression Ratios
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...
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...
Console Add Ons
Smart have designed a few add on extras that attach to the lower centre console for additional storage.
Coolant Level Checking
The smart engine can suffer badly if not cooled properly so lets check the coolant is at the correct level.
Coolant Temperature Concerns
OMG, my engine is running far too hot! Calm down Mr American, you are suffering from ”too much information”.
Coolant Vacuum Filling
How to fill your drained engine with coolant with no air locks
Coolant/Antifreeze Fluid Testing
This is a refractometer. It measures the refraction of light through different fluids. Since the refraction is known for certain fluids, it can tell you information about that fluid. They are available very cheaply on Amazon. One of the fluids this can can test is...
Correct Tyre Fitting
It's incredible when you find out that the majority of tyre fitters don't know how to correctly fit a tyre. It's not rocket surgery but I guess these people aren't the brightest of people. Give Them A Head Start Clean your wheels up as much as you possibly can. You...
Crankshaft Rotation Sensor
The crankshaft is what the pistons are attached to. The crankshaft sensor measures the rotation of the crankshaft (and therefore the position of the pistons) so the ECU knows when to inject petrol and to fire the spark plug.
Crankshaft Rotation Sensor Testing
If your car stalls when it gets up to temperature or refuses to start, your crankshaft rotation sensor could have failed. You can read all about the faults and how to remove and refit this sensor by clicking here. The failure of this sensor is well known and people...
Cruise Control – 450
Cruise control is a bit pointless for a car that was really designed for town driving but a fun mod for the motorway, also has a limiter function so you won't get caught by those speed cameras.
Cruise Control Stalk Wiring
Cruise Control Stalk Wiring & Resistances This is the cruise control stalk used on the 450 Fortwo and Roadster. It is also used on the MDC cruise control kit sold for the 451 Fortwo. Pin Out & Wiring Colours 450 Pin Number Wire Colour 1 Pink/Red 2 Black/Pink 3...