This page now covers the Roadster, old fortwo 450 and the new fortwo 451. Roadster Lever the side of the bulb diffuser down. Slide the unit to the left. Squeeze the two plastic clips shown below. Slide the bulb and its holder to the right. You can now pull the bulb...
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
Charge Cooler Fluid Change
This probably isn't the information you think it is. However, it's more important. How Do I Drain The Charge Cooler System? See, this is the information you thought was going to be here but really, it's not. All you have to do is take a pipe off the charge cooler...
Charge Cooler Fluid Info
Just in case you can't read German
Cheap BOSE Sub
There are a lot of small amp/sub combos but you have to pay a lot for anything reasonable with a name you recognise on it.
You can buy no-name cheap compact/under-seat subs but are they going to be any good?
How about an excellent name in audio? How about a sub from BOSE that costs half the price of a cheap sub?
Check Valve Bleed Nipples
Do you want an easy way to bleed your brakes? Well it doesn't get easier than this.
Checking ABS Reluctor Rings
The ABS (reluctor) rings are now becoming a common problem on the smart.
Checking the Oil Level
The oil in your car keeps things moving and not melting into one big part.
Checking Wheel Bearings
When bearings begin to fail, you will hear it first and eventually feel it. The problem is that a failing bearing can sound like other problems at first, such as a stone in the tyre tread, corrosion on the brake discs or failing ball joints. How Do You Know If It's...
Clean Your Air Conditioning
Air conditioning removes water from the air, reducing humidity and allowing you to sweat to keep cool. It can also cool the air in summer.
Cleaning Silicone Pipes
Being in the engine bay, silicone pipes get a bit dirty over time. Let's clean 'em.
Cleaning Your Smart
If something’s worth doing, it’s worth doing properly!
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...