Changing the oil on a smart isn't like most other cars. You can't just undo the sump plug and let it all drain out, the main reason is because it doesn't have a sump plug.You have to adopt the same service technique as used in boats, the oil is sucked out through the...
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Servicing / 453 Fortwo/Forfour
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 Belt Change
Post yourself under the car on the right hand side. You'll see a cover that partially covers the crankshaft pulley. This sucker has got to go. Grab yourself a 10mm socket and take out all of the bolts that hold the cover to the engine. Get off the floor (make all of...
453 Cabin Pollen Filter
Remove the footwell block that holds the puncture repair kit. Click. You'll notice a little peek-a-boo hole in the carpet behind the centre console. The bottom of the cover flap has a plastic tab. Pull it towards the back of the car slightly to unclip it. Pull the...
453 Coolant Specs
Smart 453 Petrol Pre-Mixed Coolant (MB326.6) Product Name Manufacturer ALLIANCE PRIMECOOL GP P-40 Mercedes-Benz Pty. Ltd. /Australia, Victoria, Mulgrave/AUSTRALIA Antigel YORK 813 MOTOREX AG, Langenthal/Schweiz AVIATICON Finkofreeze F40 RM 50:50 Finke Mineralölwerk...
453 EQ Desiccant Cartridge
What Is A Desiccant Cartridge? Electric doesn't like water but high power batteries and water can cause serious issues. A desiccant cartridge pulls all of the water out of the air inside the battery. This reduction in humidity stops the formation of condensation...
453 Fog Light Bulb Change
Changing the fog light bulbs on the 453 can be easy or hard. It depends on which type of access panel you have. Large Access Panel Turn the steering wheel so you can see the front edge of the arch liner. Get your night vision goggles out and look at your access panel....
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...
453 Hand Brake Adjustment
If your handbrake lifts up too high, it can run out of travel before it properly applies the rear brakes. Thankfully it's easy to adjust and a better option that the problematic auto-adjusters in the previous models. With the handbrake raised, look underneath the...
453 Key Fob Battery
453 Original Style Before smart transistioned over to the flip key style, we had this crappy Renault key. Flip it over and... ...remove the screw. The blade can be pulled out if you want. You don't have to. Pull the 2 halves apart and you'll see the CR2016 battery in...
453 Oil Change
The 453 fortwo and forfour has a oil sump plug so I guess we should use it. I usually have a few empty containers like oil or screenwash. Grab a box cutter knife and cut a window in the top. Start the car up and get it running. When the temperature gets to normal...
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 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 Wiper Blade Change
Purchasing Wipers Only a mad-man would buy wipers from a smart dealer. You can buy perfectly good wipers on Amazon and eBay. Fitting Wipers Pull the wiper arm away from the screen. Where the wiper blade attaches to the arm, you'll notice a tab, top and bottom. Push...
Battery Fluid Test
This is a refractometer. It measures the refraction of light through different fluids. Since the refraction is known for certain fluids, it can tell you information about that fluid. They are available very cheaply on Amazon. One of the fluids this can can test is...
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...
Brake Fluid Test
At every service, it's very important to check the water content of your brake fluid. The issue is that brake fluid is hydroscopic, meaning that it will pull water from where it can, even out of the air. The water is distributed throughout the brake fluid which causes...
Car Battery Maintenance
Battery maintenance is a dying art with the newest generation of car owners so lets bring it back to the people