To help locate problems, the On Board Diagnostic port can allow access to fault codes stored in the ECU. Each code can point towards a problem that the car believes to be a fault.
Kane Harrison
Official Roadster Leak Guide
Smart admit that the leaks occur on the Roadster, they even have an official document for fixing the leaks. I am glad to say that there is no copyright information on these documents so there seems to be nothing to stop me posting it here.
Oil Adapter Fitting
The standard oil filter doesn't have anti drain back or a bypass valve, adding an adapter like this allows you to use better quality, cheaper and easy to obtain canister filters.
Oil Catch Tank
Catches and condenses the burnt oil vapour from the crank case instead of pumping it into the engine.
Oil Coolers
Oil cooling is standard in the Roadster so it is a good idea if you have a modified fortwo to consider a form of oil cooler.
Oil Filter Adapter
The Smart original oil filter is rubbish, what can you do about it?
Oil Filter Magnets
As soon as you mention magnets and cars, people think about fuel magnets and stop listening but this has nothing to do with fuel and is a cheap but valid mod that was missed out during manufacture.
Oil Specifications
There seems to be confusion over which oil can be used in the smart, luckily it happens to be very simple and covers all of the smart models.
Oil Sump Pan Change
The sump pan is in a very exposed area so they are prone to damage and rust
Oil Sump Pan Testing
For many years, we (smartmods.co.uk) sold an oil sump with a drain plug for the 450 and Roadster. We bought them from a German manufacturer and they were excellent quality. The drain plug design was unique and allowed all of the oil to be drained from the sump. I'll...
Omnifi Fitting
This details the relatively easy task of fitting the excellent Rockford Fosgate Omnifi MP3/WMA music player to your car.
Open The SAM Unit
How to open the SAM unit to waterproof or repair solder joints.
OTV – The Cars
All you wanted to know about OTV's smart cars
OTV – The Man
The t'interweb coding uber genius type guy.
OTVs center console
I decided to change the way the center console worked – having thought about buying a passenger window kit, i decided to investigate what i could do myself.
Owners Manual
Download the smart manuals in your chosen language.
P0410 OBD Error
To conform to strict emissions standards, American 451 fortwos have a secondary mixing valve to quickly bring the CAT up to operating temperature.
P2359 451 CDI Fault
On the 54bhp Smart Fortwo diesel 451, there was yet another issue that caused safe/limp mode. You'll get the engine warning light come on and the engine will not rev over 3000rpm. If you bring the codes up on an OBD diagnostics reader, you'll probably get P2359 or...
Paddles Stopped Working
If your paddleshift has stopped working or is temperamental then here are a few tips
Paddleshift DIY
A few ways to make your own paddle shift and button shift steering wheel.