This is another common problem on the Roadster, unfortunately it's not just 1 thing that breaks.
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
Roadster Wiper Mechanism Change
The Roadster suffers from faulty wiper motors. They are positioned so they are affected by water ingress.
Roadster Wiper Motor
Do you want to pay £60 for a 2nd hand wiper motor that might fail in a few months?
Or do you want a new motor for less than £40?
Roadster Wiper Motor Sealing
As the wiper bucket fills up, the wiper motor can become submerged and water gets in.
Roadster Wiper Motor Shield
Protecting The Roadster Wiper Motor Why does the motor need protection? The motor is in a bad position. It's sat in a bucket that can fill up with water. Also, it's sat right underneath a vent so rain can hit the motor directly. The water can seep into the case...
Roadster Wiper Wiring
Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Roof & Windscreen Removal
Why Replace The Roof? In the smart there are a few reasons. Fortwo 450 The glass roof can shatter for no apparent reason. Generally the front edge of the screen can become stone chipped causing sudden catastrophic failure, the car doesn't even need to be moving and...
Roof Bar Colour Change
Smart's idea of colour coding was a bit odd, let's fix it.
Rubber Seal Care
The rubber parts on your car do a hard job so they need looking after
Rust – Fortwo 450
Rust is inevitable but some rust is worse than others
S-mann Exhaust Fitting
Mid way between MOT's I had the emissions checked on my 2011 fortwo 451 turbo and it looked like it would fail when the MOT came around. It was a 2nd hand Brabus exhaust that I had put on in 2012 so it had lasted OK. I didn't really want to put the standard exhaust...
S100 Stereo Fitting
So, you bought an S100 stereo. Fitting is easy.
Safe Mode
If the car senses that it is getting too much boost, it can panic and put the car into safe mode to protect the engine.
So what could cause a car to suddenly create too much boost?
Safe Mode
If your car suddenly loses power and a warning light comes on, it could be safe mode.
Safety Triangle
The tiangle button bank located on the top of the dashboard.
Safety Triangle Removal
It’s the plastic button surround on the top of the dash and carries the central locking, hazard light and other buttons depending on the model of the smart. Here is how to take it out of the car and take it apart.
SAM Fuse Holder
When using the auxiliary fuses 36 to 44 ideally you need to use a fuse holder.
SAM Terminal Removal
SAM Terminals For Plugs 1, 2, 3, 5 & 10 This type of plug is used for SAM connection 1, 2, 3, 5 and 10. Flip up the catch flap. Slightly lift the plastic tab on the terminal position you want to remove. Pull the terminal out from the body of the connector. SAM...
SAM Unit (Fuse Box)
It's a name that gets banded around especially by Roadster owners but not that many people actually know what it is, even less know what's inside.
SAM Unit Clean
If your car electrics are being strange, your SAM could be wet and damaged. Cleaning the PCB can fix it.