Relay Layout Main Fuse Box (Behind Dashboard) F2 Relay Number Function Specification K1 Heated rear window & mirrors (G Cartier) 20 241 077 35 Amp max K2 Electric windows (G Cartier) 20 241 077 35 Amp max K3 Sliding roof power Not sure, should be the same as K4 I...
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
453 Retrofitting TomTom R-Link Stereo
OK, so you have the bog standard "smart sound" radio unit... ...but you want the "smart media" unit? This is going to be a quick page. Well, it would be if I didn't pad it out with nonsense. Is It Easy To Retrofit? Nope. None of the connections are there and they are...
453 Reversing Camera Coding
Reversing Camera - 453 If you spent out a shit load of cash on the reversing camera, you may as well save some money on the coding. It's something you can do yourself easily using DDT4All and a laptop. Coding The Reversing Camera Launch DDT4All on your computer and...
453 Reversing Camera Pin Out
Touch Screen Connections This is the 24 pin connector on the back of the touch screen unit. Pins 18, 19, 20 and 21 on this connection are for the reversing camera. If you don't have the camera fitted from factory, these pin locations will be empty. Terminals From what...
453 Roof Rack
I bought my smart 453 roof rack from AliExpress. Click here (make sure you select the correct one for your car). Takes the key... ...place it in the lock and twist to unlock the side cover. Slide the side cover off... ...to reveal the business end of the rack system....
453 Rough Idle
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...
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...