How Do You Clean Your Mats? You can't stick them in the washing machine and spraying cleaning gear on them makes them wet and smell. Also, what you are doing is wetting it all down and spreading it around the mat. Floor mats are generally made of synthetic fibres so...
Kane Harrison
How To Clean Your Windows



You thought that moving some dirty water over the windscreen using an old pair of holed underpants was ok? Although that may get rid of some bird shit and the worst of the road grime, the glass isn't clean. Dirty glass collects more dirt as the new sticks to the old....
How To Drive Through Deep Water



Driving Through Deep Water As you know, ICE engines draw in air, inject a small amount of fuel and then compresses it before igniting it. Air is a gas and gas can easily be compressed. Water on the other hand is a liquid and liquids cannot be compressed. So if your...
Hyper Reclining 450 Seats
The 450 drivers seat reclines enough for every day driving but not enough if you want to have a sleep. Do not do this modification and drive around with the seat reclined right back. This is about the maximum that the back will move to as standard. Ain't no one...
Hyper Reclining 451 Seats
Unlike all the other smarts, the 451 seat recline range is quite limited so lets increase that range.
I Can Smell Fuel – Fortwo

Check the rear glass hatch seal isn't damaged. Click. Check the rear boot hatch seal isn't damaged. Click. Check the engine cover is clipped down properly. Check the engine cover seal isn't damaged. Click. 450 Check the fuel filler neck seal isn't damaged. Click....
I Can Smell Fuel – Roadster
Check The Fuel Pump Seal This is the biggest reason for a fuel smell in the cabin after filling the tank. As the tank is filled, the air that is pushed out of the tank by the incoming fuel is normally passed through a charcoal filter, so you don't smell it. However,...
Ignition Free Electric Windows

You can already buy this type of device for about £20 which is a bit of a rip off considering the value of the parts doesn't exceed a quid.
Ignition Key Will Not Turn



The Key Won't Turn Because of the position of the ignition hole on the 450, 451 and Roadster, it's very common for them to get full of shit like dust, cake, sugar, fur, crumbs, bogies, chocolate, finger nails etc. The ignition barrel isn't open underneath so anything...
Ignition Light
I added a little bit of LED side lighting to the ignition surround.
Improved Roadster Headlights
The Roadster Headlights Are Shit I hear that a lot online (maybe not exactly in those words). The rest of the online post will then start recommending better bulbs, then some bell-end will recommend 100 watt bulbs and will get shot down by anyone with a clue....
Inaccurate Rev Counter
The Rev counter can be a little temperamental if you muck it about but it can usually be fixed no problem at all
Indicators



Unlike BMWs, Volvos and big Mercs, the smart has indicators.
Indicators Flash 9x
When you click unlock on the keyfob, does your indicators flash 9 times very quickly?
Info About The Site



Stuff I know about the site, behind the scenes info.
Injector Specifications
Fuel injector data
Installing An Active Sub


Fitting an active sub is very easy, a handful o connections and you are done
Insurance





It is a large portion of the yearly cost of driving but it is an essential part of owning a car.
Intercooler Fan Removal
The intercooler fan is visible over on the left side of the engine bay. Removal is fairly easy. Disconnect the electrical connector from the intercooler fan. Disconnect the throttle body electrical connection and then remove the 4x Torx E10 bolts. Undo the pipe clamps...
Intercooler Fault
The intercooler seems to rub on the scoop causing it to wear through.