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...
Smartmods
for all your modding needs, recommended by Evilution
Blog
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
Europe 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 Yellow/Black Airbag...
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...
451 ED Inverter Removal
One night, late in 2022, I got in my 9 year old 451 ED and turned the key to start it in order to drive to work. Despite the car being in park and the handbrake on, the car lurched backwards an inch and all the error lights came on the dash. I tried removing and...
453 Wishbone Removal
My 2nd ever 453 was a forfour that I bought from Copart. It was lovingly pre-crashed for my entertainment and had 1 glaring issue. The wheel wasn't in the middle of the arch and the tracking was all over the place. Not surprising when you see the wishbone. Hmm, bendy...
evilution On YouTube
It's taken many years but I finally got over hearing my own voice on video and being in front of the camera. I have now listened to myself talking for so long, it just sounds like my brother instead of me. After watching loads of car YouTube channels, I realised that...
Brake Fluid Specs
This is going to be a short and easy page of information since, unlike oil and other fluids, all smarts use exactly the same brake fluid. Recommended Brake Fluid Smart recommend MB 331.0 brake fluid which is one of the following part numbers: 000 989 08 07 000 989 56...
453 Time Change Issue
If you have the R-Link touch-screen stereo and are having issues setting the time, you are in the correct place for a fix. It shows as -:-- on the speedo... ...and --:-- on the touch screen. When you go into the system settings to change the clock manually, you can't....
Cruise Control Wiring – Roadster
Fitting The Cruise Control Stalk Firstly you need to get a cruise control stalk from smart. Roadster stalk number 001 2540 V004 C96A 00. Look under the steering wheel cowl, you will see 4 holes. Remove the Torx10 screws. Split the upper and lower cowls and lift the...
Roadster Trip Computer Back Light
The standard Trip Computer LEDs started to fail in 2012 and it became more and more widespread. Roadster Trip Computer New ones are no longer available so if the back light fails, you have 5 options. 1 - Live with having no back lighting. 2 - Buy a working over priced...
453 Heater Resister Removal
Turn yourself upside down and throw yourself as hard as you can into the nearside footwell. Take a torch with you. Look to the centre of the car and you'll see the cabin fan. Just forward of the fan, you'll see another connector. This is the heater resistor. Squeeze...
453 Cabin Fan Removal
Post yourself under the dashboard in the nearside footwell. Look up and towards the centre console. There's the fan. Disconnect the electrical connector by squeezing the 2 tabs and pulling the plug out. Look at 2'o'clock on the fan housing and you'll see a Torx20...
451 ABS Sensors
Front ABS Sensor Removal Using an E10 socket, remove the bolt on the back of the hub. Pull the sensor out of the hub. If it gets stuck, spray it with penetrating oil and twist it back and forward to break the corrosion. Follow the cable and disconnect the electrical...
Roadster ESP Water Ingress
Imagine that, water ingress in a Roadster. Strange how an exterior controller is less likely to be affected by water ingress than a controller inside of the car. ABS Unit On the Roadster, the ABS pump is easy to access. You open the bonnet and remove the front boot...
454 Forfour Stiff Gear Change
OK, so you have removed the gear change selector because the gear change was stiffer than Ron Jeremy. Ideally, you shouldn't need a hammer to change gears. The issue is down to the pivot in the selector mechanism arm. See below, the original pivot is hollow and...
454 Forfour Gear Selector Removal
You have the 5 speed manual gear box. Don't tell me, the gear change is stiff right? Time to remove the selector mechanism and get it fixed. Disconnect both battery terminals, earth 1st. Go down between the battery and the air intake and remove the single bolt that...
450 Cabin Intake Box Removal
Remove the front panels. Remove the headlights. Remove the front crash bar. Remove the front frame. Lift the brake fluid reservoir off the clip on the side of the cabin air filter intake box. Use a long flat blade screwdriver to push in the clip as you lift it. Now...
450 Washer Bottle Removal
Remove the front panels. Remove the headlights. Remove the front crash bar. Remove the front frame. Lift the brake fluid reservoir off the clip on the side of the cabin air filter intake box. Use a long flat blade screwdriver to push in the clip as you lift it. Now...
Electric Drive Charging Fault
History In early 2022 I had an issue with my 453 forfour not charging using the proper wall charger. However, my 451 ED charged fine on the same charger. I just presumed that there was a hardware issue with the car since MB Star Diagnostics was claiming there was an...