600cc And 700cc Smart Coupe & Cabrio The coupe and cabrio rear lights look but are fixed the same. Open the rear hatch, using a 10mm socket remove the 2 plastic nuts circled. Pull the edge of the light over the bolts and swing the unit towards the outside of the...
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454 Clutch Actuator Setting
Note Do not touch clutch actuator on the tappet or the rubber bellow. Never touch the electric connector. The servo motor sensor system can be destroyed by static discharge. Removing The Clutch Actuator Switch off the ignition. Wait for the stopping time of the...
451 Clutch Actuator Setting
Note Do not touch clutch actuator on the tappet or the rubber bellow. Never touch the electric connector. The servo motor sensor system can be destroyed by static discharge. Removing The Clutch Actuator Switch off the ignition. Wait for the stopping time of the...
453 Bosch Stereo Pin Out
Bosch "Smart Media-System Connect" Connector A Pin Number Wire Colour Function 1 2 Grey/White CAN Bus High 3 Brown/White CAN Bus Low 4 Pink On/Off Signal Audio Gateway Controller Pin 11 (Amplifier pin 11, if present) 5 6 7 Red/Brown Fuse 26 8 Black/Brown Ground/Earth...
453 Auto Headlights
Retrofitting Auto Headlights To The 453 Pre-Facelift (Nov 2014 - Oct 2019) First you have to fit a new headlight stalk, click here. You can't just use any old light stalk, it must have the word "auto" on it. From what I can tell, all 453 models already have the...
454 Heater Bulbs
Heater Control Bulbs There are 3 bulbs that illuminate the heater controls on the 454 forfour. Remove the heater control panel from the car and lever the 3 clips open... ...and separate the 2 halves. The 6 buttons, 3 LEDs and 3 bulbs are now visible. The bulbs sit...
450 Coolant Specifications
Coolant Colour Don't pay too much attention to the colour of the coolant, it doesn't necessarily tell you what it is made from (propylene glycol, ethylene glycol etc). It is recommended that you top up with the same type coolant but if you bought the car new, you...
451 Dump Valve
Because I wanted a dump valve on my 451 turbo, we spent thousands having having custom silicone pipes made by Forge Motorsport. They cost us an absolute shitload each so we stuck the rest on SmartMods just in case anyone else wants to do the same. This is the T piece....
Roadster Aerial Grommet
So, Your Aerial Grommet Has Perished Previously you'd just have gone to a smart dealer and ordered part number 0013787V003000000 for about £7. However... Rubber Grommet No Longer Available Smart discontinued the rubber grommet. The problem is that people are noticing...
454 Fuse Box Access
Right Hand Drive The fuse box is hidden behind the glove box. Open the glove box, squeeze in the sides to release the side clips. This will allow the glove box flap to fold down even further. It will get to a point where the glove box flap will fall off the hinge pin....
Roadster ESP Controller Pinout
Roadster ABS/ESP Controller Connector Pin Number Wire Colour Function 1 Brown Earth/Ground 2 Red SAM plug 7, pin 2, fuse 34 3 4 5 Brown Earth/Ground 6 Red/Black SAM plug 1, pin 6, fuse 14 7 8 Grey/White Yaw sensor pin 5 9 Yellow/Green Yaw sensor pin 2 10 Violet/White...
450 ABS Pinout
450 600cc ABS Controller Connector Pin Number Wire Colour Function 1 Yellow Right rear RPM sensor 2 Grey Right rear RPM sensor 3 4 Black Right front RPM sensor 5 White Right front RPM sensor 6 Black Left front RPM sensor 7 White Left front RPM sensor 8 Red Left rear...
453 Electrical Connectors
I'm starting to get reports of failing connectors on the 453 so as each one is brought to my attention, I'll try to find the manufacturer and add the information here, plus the reason each reported one failed. 12v Battery Sensor Ben C from SmartTecnic contacted me...
Airbag Impact Sensors
It's quite rare for the airbag impact sensors to fail but it can occur. There are 3 possible types of impact sensor. Front Impact Sensors One on each side of the front crash bar. Only fitted on American 451 fortwos. Side Impact Sensors Fitted to each side of the car,...
Roadster Coolant Specifications
Coolant Colour Don't pay too much attention to the colour of the coolant, it doesn't necessarily tell you what it is made from (propylene glycol, ethylene glycol etc). It is recommended that you top up with the same type coolant but if you bought the car new, you...
453 Facelift Centre Console
453 Facelift Centre Console It's got a tambour door! It's neat for storage but terrible for drinks holding and accessing the USBs. A lot of people are desperate to retrofit this to their old smart, however, when you see the price, most people don't bother. Smart Part...
#1 Model Comparison List
Smart's own website doesn't seem to tell you the differences between the #1 models in an easy to understand format like they used to. The old smart brochures had a table of stuff that explained what model had what features. I went through all the data I could find and...
Cabrio Roof Wind Noise
So, your cabrio roof makes noise along the front edge when you drive over a certain speed. If you own a 453 fortwo, first check that it's not a poorly sealed windscreen. No, It's Definitely The Roof OK, try some of this. Broken Slider Mechanism Slide the roof back...
453 Bosch Stereo Retrofit
Bosch Touch Screen Stereo So, you want the facelifted touch screen stereo in your 453? Personally I don't recommend it because, for the money, it's not that good. It's made by Bosch which will be a red flag for anyone familiar with the Bosch Highline stereo fitted to...
Emergency Rescue Sheets
When a car is in a crash, it's of vital importance that the fire brigade know everything they need to know about the car. The important information usually includes the locations of: Airbags Seat belt tensioners Body reinforcement Fuel tank (petrol & diesel)...