Its a question I hear a lot and the replies are confusing, hard to follow and sometimes wrong.
Mods
Door Seal Drain Reinforcement
Another guide to try and stop the water getting into your Roadster
Door Superlock 453
Smart 453s for the UK market had super lock which wasn't present on other markets so there's a chance that activating this function may not work correctly on non UK cars. You press the lock button and as the lights flash, you press lock again. The lights flashed...
Drive Belt Information



Obviously the best option is to go to a smart dealer to buy your drive belts but I know some of you hate your own sanity so buy crappy generic aftermarket parts from random parts shops. The chance of buying exactly the correct length aftermarket belt is unlikely since...
Driving And Starting
Starting And Driving The Smart The Immobiliser The first thing to do before trying to start the car is to disable the immobiliser. The immobiliser automatically turns on when the car is locked or if the car is left open and unstarted for up to five minutes. To turn...
Driving/Moving Abroad






if you are driving abroad you could adjust your headlights. You have a few options depending on the style of light you have.
Drying The Roadster Carpet
If you have a Roadster, chances are that it leaks from somewhere. If you are brave or clued up, you'll have checked. However, many Roadster owners either don't know or ignore it until it causes issues. Bad move. Depending on your leak position, you will probably start...
Dump Valve Fitting
Fitting a DV is a relatively easy process, depending on the type, it will replace 1 of 2 parts. Thanks to Shadow for the extra photos.
Dump Valve Types
Dump Valves (DV’s, BOV’s) Everything you need to know about the dump valve.
Dump Valves – Are They Worthwhile



The fact of the matter is that almost all of the respected smart tuners will not fit a dump valve, that goes for Brabus as well and they should know what they are talking about.The reason is because they were using stock DVs and didn't consider a smart specific DV....
DVR Car Cameras



Here is what I have learned about in car cameras
DVR Fitting & Setup



Having a DVR recording your driving is a good idea and gives you evidence in case of an accident.
However, unless you fit it properly, it might not be as helpful as you think.
E10 Fuel



What Is E10 Fuel? It's a standard 95 octane fuel that has 10% of the volume replaced with ethanol. What Is E5 Fuel? It's a standard 97+ octane fuel that has 10% of the volume replaced with ethanol. What Is Ethanol? It's alcohol. The same stuff in your alcoholic...
Ebay Power Chips






Do they work?
ED 451 Fuse Layout
451 ED (Electric Drive) Fuse Layout No Amp. Colour 1 Not used empty empty 2 Windscreen wipers 25 A Neutral 3 Window lifter motor, left and right 20 A Yellow 4 Heater blower 25 A Neutral 5 Fog lights, LED DRLs 10 A Red 6 Parking lights & Tail lights right, speedo...
ED Vinyl Removal
The ED logo is clever. It's a plug. Hah! neat. Shame it looks so shit. It has to go... but how easily? Thankfully it's a vinyl graphic placed on last with no lacquer over the top. Ideally on a warm day, use something soft to peel back the edge. A fingernail if you...
Ein DV Kaufen
So you want to buy a DV from Wiltec in Germany but your German is on par with your Icelandic and your Urdu? Follow the info below.
Electric Drive Charger Type
How Do I Know What Charger I Have? There's not much point paying out for a fast charger if your car doesn't support fast charging. There are various ways to see which charger you have but the easiest way is just to look at the charger port. 451 Fortwo ED (Electric...
Electric Drive Charging Fault
History In early 2022 I had an issue with my 453 forfour not charging using the proper wall charger. However, my 451 ED charged fine on the same charger. I just presumed that there was a hardware issue with the car since MB Star Diagnostics was claiming there was an...
Electric Drive Servicing
Servicing An Electric Drive Smart Smart royally screw over electric drive owners when it comes to servicing. Considering there's no oil, oil filter, air filter, spark plugs, V-belt or valve adjustment to be changed, they actually charge more to service an electric...