Warning Mercedes UK state that the 453 can't be towed more than 30 miles at 30mph. This is the same shit they've been spouting for 20 years. So far I have heard of 2 people who have dragged towed an auto 453 and then discovered massive transmission oil leaks under the...
Kane Harrison
Towing Eye Thread

Not every page has to have 9000 words. (sometimes I can't be bothered). Towing Eye Thread ACME 5/8" 8 Teeth Per Inch (TPI) Towing Eye Adapter Acme threaded bolts are as rare as rocking horse shit. Luckily, SmartMods have created an adapter to change it to M12x1.75mm...
Towing Legality




Towing Legality It must be mentioned that this particular tow bar is for "off-road use only". The smart 450, 451, 452 Roadster and 453 weren't homologated to tow anything so can't legally tow. I'll say it again. It is not legal to tow in any country that the smart was...
Track Control Arm Bushes
Stiffen up the chassis to make the handling better.
Troubleshooting and FAQ
The answers to some Frequently Asked Questions!
Trust/ESP Deactivation Plug
A review of the Smartmods Trust/ESP deactivation plug
Trust/Trust+ Removal
How to gain back full control of your car.
Turbo Manifold Crack Test


Until cracks get really bad, you won't be able to see them. Let me show you how you can.
Turbo Manifold Cracks
Info about the manifolds cracking on the smart turbo.
Turbo Removal 450 Fortwo 700cc
Before you start, spray all the fixings with a penetrating oil. The more you repeat it and the longer you leave it, the better. Remove the rear panels, the exhaust, the lambda sensor in the exhaust, lower IC pipe and the TIK pipe. Remove the small E10 bolt from just...
Turbo Removal Roadster
Before you start, spray all the fixings with a penetrating oil. The more you repeat it and the longer you leave it, the better. Remove the rear panels, the exhaust, the lambda sensor in the exhaust, lower IC pipe and the TIK pipe. Remove the small E10 bolt from just...
Turbo Types and Differences
The smart turbos differ throughout the range, some can be exchanged for others, some can't.
Turn Off The Airbag Light





Oh Noes! Airbag Light 450 & Roadster Previously, an airbag light on an early smart meant only 1 option, the proper Mercedes diagnostics computer. So, you could either save up and go to a smart dealer, spend less at a smart specialist or buy MB Star yourself....
Turning The DRLs On And Off


On some of the newer smarts, daytime running lights (DRL) could be turned on and off quite simply.
Tyre And Alloy Damage






Side Wall Tyre Damage Like rust, the worst type of tyre damage is the type you can't see. SmartCarSpecialist were working on a car and found tyre side wall damage. What makes this unusual is the damage was only on the inside edges of the tyres. The visible outside...
Tyre Dimension Change



Whether you want to use wider tyres on your standard alloys or match the original rolling radius with your new alloys, the data is here.
Tyre Pressure Monitors


I have only had 1 puncture in the last 10 years. I have been lucky. However, after 1 puncture, you start getting paranoid. When there is a side wind or the road is a bit slippery, you are convinced you have another puncture. It's time for some tyre pressure monitors....
Tyre Pressures and Fuel RON






Keeping the correct pressures in your tyres is very important.
Tyre Sealant And Puncture Prevention



Not having a spare tyre can be a concern to some people but there are products that stop a puncture as it happens or cheaper versions that stop you being stranded by the side of the road.
Tyre Sealant Application



Smarts don't have spare tyres, so to save you having to carry one about, fit tyre sealant instead