Kane Harrison

Roadster Key Fob Battery

How Do I Know It Needs Changing? When the battery gets low, the indicators will flash nine times in quick sucession when you lock or unlock the car. From this point onward, you have approximately 100 uses of the remote central locking fob before it won't open the car...

Roadster Keys Stopped Working

Both Keys Don't Work When I say "don't work", I mean nothing. Not even the indicators flashing 9 times. Sometimes both keys will be temperamental but both will either not work at all or work OK. Firstly, check that both key batteries are OK by fitting new ones (not...

Roadster Lambda Sensors

The Lambda (O2) sensor is by far the most common fault that brings up the engine fault light.

Roadster Larger Oil Sump Pan

More Oil, More Better OK, the grammar is terrible but facts are there. The more oil your engine has available, the slower it will degrade. Now, I'm not saying to put more oil in your engine, that'd be terrible. What we need is a bigger sump. Bigger Sump, Bigger Cost?...

Roadster Lateral Movement Sensor

ABS warning light on? /!\ Light on as well? Busted out your generic error code reader and got any of the following codes? P2039 C11D2 C11F3 Sounds like your lateral movement sensor is shafted. What Does The Lateral Movement Sensor Do? It measures the G force of the...

Roadster LED Headlights

The Roadster Headlights Are Crap Preach! The whole optic set up for the standard Hella headlights are terrible. The reflectors are tiny and the projector lenses are inadequate. The light collection and throw of the 90mm Hella lights just doesn't light the road very...

Roadster Light Cover Tabs

The Roadster headlight covers are held in with tabs that don't want to let go, this can lead to breakages which we don't want so let's modify

Roadster Loom Connections

Wiring connectors for the Roadster

Roadster Lower Light Access

An easier and invisible way to increase access to the left front lower lights

Roadster Lower Light Removal

Remove the front panels from the car. Disconnect the indicator and side light and, if you have them, disconnect the fog lights. Unscrew the 2x Torx screws from the light units and side the unit towards the outside edge of the panel to unclip it.

Roadster Manual Boot Release

There are 3 ways to open the boot of the Roadster.

Roadster Mirror Removal

Removing the Roadster Mirrors, manual ones, but electric will follow the same process

Roadster Not Selecting Reverse

The problem selecting reverse on the Roadster was usually due to a faulty brake light switch. As you select reverse, you will get a 0 on the speedo instead of the R symbol. Remove the brake light switch and test it to ensure it's doing what it should. A new switch can...

Roadster OBD Pin Out

OBD Socket Location Roadster - Hidden by a removable panel directly below the steering wheel. Roadster The table below shows the connections to and from the OBD. It shows that each controller has its own diagnostics line which is used by the Mercedes Star Machine or...

Roadster OBD Wiring

Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour

Modules are labeled in the picture.

Roadster Oil Pump Removal

Because the smart is generally hard to work on, it just wouldn't be right if changing the oil pump was an easy task. So it's no surprise to find out that it's a lot of work to get to but very simple to actually change. Remove the air inlet manifold, rocker cover,...

Roadster Paddle Shift

Activating The Paddleshift On the Roadster, there is only 1 good way to do this. TAN Coding. This really is the only option you should consider when adding paddleshift to a Roadster. You (or a smart specialist) fits the paddleshift steering wheel and then uses MB...

Roadster Pod Needle Wonky

Dash Pod Needle Not At Zero If the dash pods lose power whilst the car is on, the needle on the boost gauge (or sometimes the temperature gauge) can go out of sync and not sit at zero. When the car is off, they should be like this. Remove the clip on surround by...

Roadster Pods In A For2

Where the For2 gets a boring clock and rev counter, the Roadster gets a slightly more interesting coolant and boost gauge.

Roadster Power Steering Wiring