450 Wheel Bolts These can be used on all 450 standard factory alloys and steel wheels. Note the radius seat. You should not use tapered seat bolts on a wheel designed for radius seat bolts. 451 Wheel Bolts These can be used on all 451 standard factory alloys and steel...
Smartmods
for all your modding needs, recommended by Evilution
News
MB Star – TAN Coding
What Is TAN Coding? TAN is a Transaction Number. It is purchased by a dealer from Mercedes in Germany. These codes unlock features in your car or allows MB Star to code keys. Is It Legal? The legality of creating your own TAN code or bypassing the TAN code...
MB Star – Clutch Adjustment
Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main screen, press F2. Press F2. Press F2. Scroll...
Auto Button Switch Test
Not only can the plastic button snap, the actual switch can fail too. Both will stop you selecting auto
451 Licence Plate Bulbs
How to change the bulbs that illuminate the licence plate at the rear of the car.
Disconnecting The ECU
Sometimes (not often) you might need to remove the ECU, either for sending off to get it remapped or to re-site it elsewhere if you fit a different airbox
Heated Seats Not Working
The heated seats on the 450 and Roadster seem to have a few common faults that stop them working.
These faults haven't appeared on the 451 yet but if they do, these fixes should help too.
Dim/Dead Headlights
Headlights stop working but for more than 1 reason.
451 Cornering Lights
You may have seen them on expensive Mercs and BMWs but cornering lights are now available on the smart
Wires Though The Fortwo Bulkhead
There are times when you need to run wires from the inside to the outside of the car. How to do it but keep the water from coming in?
Airbag Connector Replacement
The seat side airbag connections are poor and cause airbag errors so let's change them for better ones
Airbag Connector Maintenance
More often than not, air bag fault lights are bought on by the seat side air bags
451 Heated Seat Retrofit
There is an easy way and a less easy way to retrofit heatet seats to your 451. It really depends on the year your smart was made. From around 2008 to 2010, smart started to include all the wiring for the heated seats so all you have to do is plug in a few things....
Roadster Heater Fan Fault
The Roadster heater switch is a weak point in the system and can fail, here is how to fix and prevent it happening
Roadster Roof Override
The 450 fortwo had a way to manually open and close the roof using a pair of metal cranks that you got with the car, unfortunately on the Roadster, this wasn't the case.The electrics in the Roadster are temperamental at the best of times so how do you force the roof...
450 Dash Pod Clock Fault
The dash clock pod in the 450 has a habit of suddenly losing a lot of time. Time to fix.
MB Star – Baby Seat Coding
450 Fortwo With A SAM And All Roadsters So, you have fitted the fixing frame to the car and plugged it in. Time to code it in. Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into...
MB Star – Steering Wheel Calibration
450 Fortwo With A SAM And All Roadsters Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up Xentry. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main...
MB Star – Rev Counter Coding
450 Fortwo's Only Plug the MB Star multiplexer box into the OBD port of the car, turn on the laptop and boot up DAS. Press unlock on the key, place it into the ignition and turn it to position 1 to power the car up. When you get to the main screen, press F2. Press F2....
MB Star – Paddle Shift Coding
450 Fortwo's With A SAM Unit And All Roadsters Fit First Fit your paddleshift steering wheel and swap the connector over under the dash on the 450 and Roadster. There is no connector to swap for the 451. If it doesn't work after coding, check the wiring. Then Code...