My 453 Idles Badly Not just rough idle though. It can affect the acceleration or cause an intermittent knocking sound. It's now becoming a common issue with the 900cc turbo 453 engine. Smart initially stated that the cars required an ECU update. This may have been...
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Kane Harrison
453 Scuttle Panel Removal
The scuttle is the panel underneath the windscreen that the wipers pass through. It's a decorative panel to hide the wiper mechanism. Mine was broken so I had to replace it. Pop out the clip in each corner. Lift up the rubber infill piece. Remove both wiper arms by...
453 Seat Belt Reminder
You should always wear your seat belt when driving on the road. Most of us aren't stupid enough not to. However, there are times when you are moving a car, not in public or not driving very fast. It's these times you realise how annoying the seat belt reminder alarm...
453 Seat Belt Reminder Disable
Disable The Seat Belt Alarm - 453 I'm sure none of you are stupid enough not to drive with the seatbelt on, However, there are times when you know you don't need it and don't want the speedo making noises and complaining. When I'm driving through the car park at work,...
453 Seat Belt Removal
Slide the seat forwards and remove the bolt that holds the belt to the car body using a 16mm socket. Pull the boot side panel off to reveal the seat belt guide. Remove the bolt with a 16mm socket. Move down to the seat belt reel. Remove the bolt using a 16mm socket....
453 Seat Removal
There are literally some reasons to remove the seats. My reason will become clear later. Here are the horrible standard seats. Why the fuck would you make white fabric seats! How long will they stay white? Slide the seats all the way back to reveal the front Torx E12...
453 Service Reset
Service Reset Method Colour Display Using the up or down arrow on the left side of the steering wheel, cycle through the information on the multi coloured display until you reach the service screen. It'll show either 1 or 2 spanners/wrenches and how long left until...
453 Service Schedule
453 Service Schedule - Fortwo, Forfour with turbo and non turbo engine. A Service (1 Spanner) Replace cabin filter Replace engine air filter (Turbo model only) Change oil and oil filter Check and correct all tyre pressures Check all exterior lights for proper...
453 Side Window Removal
This only covers the 453 fortwo because the door panel is plastic and can be removed. Look at the bottom of the glass, front and back. See the arrowed areas below. Simply remove the Torx screws from both clips. The black plastic cover will flip down. Make sure you are...
453 Single DIN Stereo Adapter
The problem with the 453 is the design of the standard stereos. They are a single DIN body with a double DIN face. That's an incredibly rare layout which seriously limits the aftermarket stereos you can fit. Currently you are limited to 3 original fitment aftermarket...
453 Space Saver Wheel
The 453 has a far more common fitment of PCD 100mm with a centre bore of 60.1mm That means you are just limited to smart 453 wheels to use for a spare. There are a lot of cars that have actual proper space saver spare wheels available. Go onto eBay and find a 15" or...
453 Spark Plug Change
This page covers both turbo and non turbo models. Spark Plug Numbers Smart Part Numbers: Non turbo - A 281 159 01 00 Turbo - A 281 59 00 03 Aftermarket Numbers: Non turbo - Champion REA8MX Non turbo - Champion OE130/T10 Non turbo - Denso XE20HRU9 Non turbo - NGK...
453 Speedo Disassembly
Remove the speedo. There are 6 of these clips around the outside of the speedo. They are very easy to unclip using a screwdriver. 2 clips on the top on each side... ...and 2 clips on the bottom. Pull the rear plastic cover from the speedo. Turn the speedo with the...
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 Speedo LED Change
The LEDs in the 453 speedo are very common. You have 2 types. The main type being the PLCC-2 in various colours. I have used a red sharpie to highlight the notch in the package. This tells you which way around the replacement LED has to be soldered in. As you probably...
453 Speedo Removal
Remove the radio and pull off the decorative dashboard trim either side of the speedo. Either side of the speedo cowl are Torx 20 screws, remove them... ...and the Torx screw on the top. Lift the cowl upwards... ...to reveal another 2 screws, 1 on each side. Again,...
453 Speedo Shows -:– For Time
Speedo And Stereo Not Showing The Time? If your speedo is showing -:-- instead of the time, you might also notice that you have the R-Link touchscreen stereo and that is also showing --:-- instead of the time. In which case, you should follow this link to the fix. I...
453 Speedo Warning Faults
So far, almost all errors I have seen appear on the dashboard LCD have actually had nothing to do with the fault being described. For example, this is a stop/start malfunction. Ignore what the car is telling you. Almost every single occasion, the fault is with the...
453 Speedo Wiring
Speedo Pin Number Wire Colours Connects To / Function 1 Pink Illumination 2 Red/White Power Fuse 31 3 Black Earth/Ground 4 5 6 Pink/White or White Cruise Activation 7 White or Brown/White Cruise Reset 8 Green or White Oil Pressure Switch 9 Green/White or Green Brake...
453 Steering Angle Sensor Removal
Disconnect the battery and remove the steering wheel. Ensure it is straight as you do this. Lift up the top steering column cover to unclip it. Look underneath the lower steering column cover to find the 2 securing bolts. Remove them. Pull the lower cover down and the...