The smart 451s sat nav is made by Garmin. The early set up (shown here) was based on a Garmin C510. The new updated version uses that same dock and wiring but uses a modified widescreen Garmin 760 navigation unit.
Kane Harrison
451 Oil Change
The new smart fortwo 451 has a drain plug like a standard car.
451 Paddle Coding
Ideally, you don't want the newest version of DAS. Generally anything before 2014 should work. Earlier the better but obviously still covering the 451. Newer versions have patched this out so won't work. Start up DAS and select Vehicle identification by control unit....
451 Paddle Wheel Doesn’t Work
Don't you just love it when smart changes the wiring for stuff for no reason.
451 Paddle Wheel Retrofit
Remove the steering wheel. Click. Plug in the new paddle shift steering wheel. Code the steering wheel paddles. Click. Still Doesn't Work? If you have bought a paddle shift steering wheel and the paddles don't work, it could be the wiring. Martjin D found that his...
451 Paddle Wheel To 450/Roadster
It isn't plug and play but in 2011 I fitted a 451 wheel to a Roadster to see if it could be done and to sort out any problems.
451 Panel Separation
If you damage one of the front or rear panels you will need to separate it from the others to fit a replacement.
451 Passenger Airbag Disable
So you have a mini-me and a rear facing child seat and want to turn the passenger airbag off but didn't spec the option?
451 Petrol Remapping
Remaps replace your car's software which increases the power of the engine and can increase MPG too
451 PiperCross Filter
Replace the standard paper filter with a better foam filter
451 Pod Swap Over
Because the smart is primarily made with the steering wheel on the left, the dash pods have the rev counter nearest the driver. On our smarts that have the steering wheel on the right, the rev counter is on the wrong side. It is very simple to swap over.
451 Poly Sway Bar Bushes
Change those awful sway bar bushes for something better and quieter
451 Power Steering 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.
451 Pre-Facelift Stereo To Post-Facelift
Do you want to fit a Radio 9 or 10 (or specially made stereo like the S100) to your face lifted 451?
451 Radiator Fan Removal
Remove the front panels. Click Remove the front frame. Click Remove the AC radiator. Click Remove the coolant radiator. Click You can now remove the fan surround.
451 Rear Bulb Change
451 Coupe & Cabrio Replacing the lights on the new smart is a whole lot easier and quicker than before. Open the boot and look to each side, you will see a flap on each side. The offside flap (shown below) hinges forwards when the clips are pushed in (circled...
451 Rear Bumper Removal
Rear panel removal helps when fitting a replacement exhaust etc.
451 Rear Hatch Dripping
It's fairly common for the rear hatch to fill with water and this dribbles into the car when you open the hatch
451 Rear Hatch Leak
Water Marks On The Inside Of The Boot Glass This used to drive me mad, I'd clean the windows all around but when I got in the car there were drip marks. After many trips back and forth to try and clean these marks off I realised that they were inside the car. Once I...
451 Rear Light Removal
You can remove the lights for tinting etc, saves masking it all.