TUNE-4-R-V-M

The USB programmable 123TUNE-4-R-V-M is designed for most Mercedes 4 cylinder engines liks the W110, W115.

Cylinders	4
Model	Tune
Operating voltage	4-15V
Positive earth supported	Yes
Wires	Black: coil '-' , Blue: battery negative , Red: ignition key (battery 6V / 12V) , Yellow: curve selector
Vacuum	Yes
Rotation direction	CW & CCW
IE (D-jetronic support)	No
RPM range	500-10.000 RPM
Brand	Mercedes
Environmental temperature	-30 – 100 °C
Cap type	Straight
Dwell	Constant current: fully automatic adaptive dwell
Coil charging time-out	After 1 second, coil current is turned off
Spark balancing	<0.5 degrees
Maximum advance	40 degrees crankshaft

Categories: Mercedes Benz, TUNE

the 123\TUNE-4-R-V-M is designed for the W110, W115 and W123 engines, in the Mercedes :

– 190C
– 200
– 220
– 220US
– 230

For cars with Bosch ‘D-jetronic’ injection-systems, order the non programmable 123\MERCEDES-4-R-V-IE.

If you want to tune your engine, or you have an engine for which there is no standard distributor available….. And you are a Windows PC user, the 123\TUNE is the answer! By connecting it to a computer, you can easily adapt the 123\TUNE to fulfill even the most demanding requirements. The unit offers two sets of curves that can be selected by placing 12 Volt on a wire from the 123\TUNE. Handy, if you’re driving on two different fuels, like regular fuel with LPG or with Ethanol