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....
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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)...
451 Antifreeze Specifications
Recommended Anti-Freeze The easiest thing to do is get on eBay (or similar) and search for either MB325.0 or MB326.0 instead of going to a motorfactors and seeing if any of their coolant matches those specs. There are multipurpose coolants that you can buy that are...
450 Side Skirt Removal
The side skirts on the 450 is more of a decorative cover. Thankfully they are easy to remove. Remove the rear panels to gain access to the rear plastic rivet fixing. Lever the middle out out of the rivet... ...and then throw yourself onto the floor and get someone to...
453 Speedo Faults
The Problem In 2023, a few 453 speedo issues became apparent. They suffer from a pixelated displays, the display turning on and off or the backlight flickering. These issues include LCD glitches, poor resolution, LCD blacking out randomly and the backlight...
453 Centre Console Phone Charger
The Full Title For This Page Is 453 Facelift Centre Console Mobile Phone Wireless Charging Pad However, I didn't have enough room so I had to remove some of the words. What Phones Is This For? Currently iPhones with MagSafe charging abilities but it probably won't be...
451 ED HV Heater Change
If the ED heater fix didn't work, you'll have to replace the heater pack. If you have a left hand drive car, your job is easy, just pull back the footwell carpet, remove the polystyrene footwell block and you'll have access to the heater in the cabin airbox. However,...
Roadster Steering Wheel Removal
Why Remove The Steering Wheel? If you are upgrading to a 3 spoke paddle shift steering wheel, have bought the Brabus V6 Raid Daytona steering wheel or upgrading to the 451 steering wheel, then obviously you'll need to remove the old wheel to fit the new one. If your...
Roadster Airbag Controller
All of a sudden in 2023 I started getting a lot of people asking about the location of the SRS airbag controller in the Roadster. So there must be a new common issue, either regarding water ingress or lead free solder faults. So I figured I'd do a page to show where...
451 Airbag Controller Pin Out
451 Up to 10/08/2010 24pin / 24pin Connector A Plug A Pin Number Wiring Colour Connects To 1 Brown Earth/Ground 2 Black/Red Fuse 18 Switched Live 3 - - 4 Blue/Black Airbag Indicator Lamp 5 Green/Black Passenger Airbag Off Switch Pin 5 6 - - 7 - - 8 - - 9 - - 10 - - 11...
453 Fuel Filter Change
453 Fortwo & Forfour None of the 453 models have a replaceable fuel filter. Petrol non turbo Fortwo – no replaceable fuel filter Petrol non turbo Forfour – no replaceable fuel filter Petrol turbo Fortwo – no replaceable fuel filter Petrol turbo Forfour – no...