452 Roadster Standard Alloys Width Offset PCD Standard Tyre Size What's this? What's this? What's this? What's this? Roadster Steel 15” Front 5” ET 24 3x112.5mm 185/55/15 Rear 6” ET -20 3x112.5mm 185/55/15 ; Roadster 'Spinline' 15' Front 5” ET24...
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
452 Roadster Bulb List
Smart Roadster ECE BSN Quantity High Beam H7 499 or 477 2 Low Beam H7 499 or 477 2 Fog Light H3 453 2 Side Light W5W 501 (T10) 2 Side Repeater W5WA 501 Amber (T10) 2 Front Indicator PY21W 581 2 High Level Brake Light W2.3W 284 (T5) 5 Number Plate W5W 501 (T10) 2...
452 Roadster ECU Cloning
Cloning The 452 Roadster ECU Cloning is a process where you take data from 1 item and copy it to another to make an exact replica. Why Would I Need To Do That? ECU's have been known to fail from water ingress, electrical damage from fitting the battery the wrong way...
452 Roadster Engine Removal
452 Roadster Engine Removal Step 0: Disconnect the battery earth connection. Look at the engine, just above the oil filter. You'll see the coolant drain plug. Use a 6mm allen key to open it a couple of turns. I recommend putting some hose over it to guide the coolant....
452 Roadster Fuel Tank Drain
Fuel Filter The fuel filter is quite well hidden, it is behind the nearside rear wheel arch. Jack the car up, remove the wheel and remove the arch liner. On each end of the filter is a connector with an orange clip. To disconnect the pipe you just have to push the...
452 Roadster Heater Lighting
Heater Lighting People often have trouble with the heater lighting, either not being sure if it's back lit at all or having serious issues understanding where the bulbs are and how to access them. The confusion is fair enough because the single bulb is hidden fairly...
452 Roadster Passenger Air Bag
If you are changing the passenger airbag on the Roadster, it probably means that it has exploded. If it has, you'll also have to change the top dash pad. Luckily, they are connected. First thing first. Disconnect the battery and leave the key in the house. If you look...
452 Roadster Speedo Cloning
Cloning The Roadster Speedo Cloning is a process where you take data from 1 item and copy it to another to make an exact replica. Why Would I Need To Do That? If your speedo has failed completely, has a hardware or PCB fault, you need to fit a new speedo. Can I Just...
452 Roadster Towing
Where Is The Towing Eye? Open the passenger door and pull back the carpet in the footwell, in the polystyrene footrest block you will see the towing eye. Pull it from the polystyrene block. Where Does It Go? Being Towed Go to the front of the car and look to the left...
452 Roadster Water Pump Change
Faulty Water Pump? The water pump is designed to leak slightly when it needs replacing. Most of the time it is worn bearings but the have been known to break blades. This reduces the performance of the pump and bits of the blade can block water ways and make noises in...
453 AC Relay Swap
What Is That Clicking Noise Behind Me? It's a complaint I'm hearing more and more, always from 453 fortwo owners. I so rarely drive my 453 and I have all around speakers and a sub so I probably don't hear it. However, it's the air conditioning compressor relay hidden...
453 Accelerator Pedal Pin Out
453 Accelerator Pin Out Accelerator Pin Wire Colour ECU Connection Function 1 Pink/White or Grey/White F3 Pedal Sensor 2 - Signal 2 Brown/White F2 Pedal Sensor 2 - Positive 3 Green G2 Pedal Sensor 1 - Positive 4 Brown or Grey H2 Pedal Sensor 1 - Signal 5 Brown or Pink...
453 Air Con Fill Points
If you need to fill or top up the air conditioning in the 453, open the bonnet. Here are the fill points. AC Gas Type And Quantity Model Gas Type Gas Qty Grams Oil Type Oil Qty Millilitres 450 Fortwo 600cc R134A 620 ± 10 PAG 46 or PAO 68 180 450 Fortwo 700cc R134A 450...
453 Air Filter Change
This is the engine of the 453. The airbox is over on the left. Look down the back of the airbox... ...and you'll see 2 Torx25 screws. Remove them. You can use a 7mm socket to undo the hose clip that holds the pipe to the airbox lid. Disconnecting this pipe will allow...
453 Airbag Removal
This page currenly only covers the removal of the steering wheel airbag. This page covers 2 methods. Rule 0 when playing with airbags, disconnect the earth connection from the battery. Make sure it can't accidentally move and touch the earth connection. Don't...
453 Alarm Fault
Bob S was one of the many people experiencing the alarm on his 453 going off all the time. It's already a known fault at smart so we know the problem. The problem is the switch. The switch is pushed in by the bonnet (hood). If the bonnet is removed or tampered with,...
453 Alloy Wheels
453 Fortwo & Forfour Specific Alloys (late 2014 on) - 4 stud alloys C453 & W453 Steel Wheels 15" Front 5" ET 32 4x100mm 165/65/15 Rear 5.5" ET 42 4x100mm 185/60/15 C453 & W453 'Value' 15" Front 5" ET 32 4x100mm 165/65/15 Rear 5.5" ET 42 4x100mm...
453 Android Stereo
Whenever anyone on the forums asks about a new stereo on the 453, people will always recommend the nameless Chinese made 9 inch Android stereo that's available all over AliExpress and similar China based e-commerce sites. They all look the same so I suspect they are...
453 Arch Panel Removal
Remove the front bumper so you can access a bolt later on. Open the door and look at the lower part of the door shut. These bolts are 10mm with a Torx30 inside. You can use either size tools to remove them. Look to the top of the door shut to the black triangle in...
453 Audio Gateway Control Unit
Audio Gateway Control Unit N93/1 Pin Number Wire Colour Function Connects To 1 Green/White Multimedia Controls On/Off Screen Knobs Pin 2 2 3 Red Power Circuit 30 Fuse Box Fuse 14 4 5 6 7 8 9 10 11 Pink/White Multimedia Screen On/Off Screen Pin 5 12 Black/White...