Mercedes-4-R-V

Improve the performance of your classic car with this highly reliable electronic ignition distributor.

The 123MERCEDES-4-R-V is designed for the W110, W115 and W123 4 cylinder engines, in the Mercedes :

– 190C
– 200
– 220
– 220US
– 230

This unit offers vacuum advance.

Brand

Mercedes

Cylinders

4

Operating voltage

4-15V

Wires

Black: coil '-' , Red: ignition key (battery 6V / 12V)

Model

Switch

Rotation direction

CW & CCW

Vacuum

Yes

RPM range

500-8000 RPM

IE (D-jetronic support)

No

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: ,

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

– 190C
– 200
– 220
– 220US
– 230

Next to the standard-curves, it offers optimised advance-curves for driving on LPG or E85, the new Bio-Ethanol-fuel of the future.

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

The unit offers a maximum total of 16 advance-curves to be selected by the end-user.
Please take a look in the curve table for available advance curves.

Mercedes 4 – R – V = Mercedes stands for the 123ignition type 
Mercedes 4 – R – V = 4 stands for the number of cylinders 
Mercedes 4 – R – V = R stands for straight distributor cap 
Mercedes 4 – R – V = V stands for vacuum advance  

 

How to install a 123ignition distributor

Download the manual

Tune+ App Manual

Where to buy?

Do you want to know where to buy the 123Ignition in your area? Check out the dealer page!

curveadvance starts
[rpm crankshaft]
max. advance
[rpm]
[degr. crankshaft]vac. adv. starts
[mmHg]
max. vac. adv.
[mmHg]
[degr.]replacesremark
060046003512525011BOSCH 0231 115 064W115 1:9,0 200,220,230
1600460035125250110 231 115 064 as curve #0for LPG/E85
2700440024100300170 231 170 237, 0 231 170 138W123 1:9,0 200,230
3700440024100300170 231 170 237, 0 231 170 138as curve #2 for LPG/E85
470046003510025011VJUR4 BR27T, 0 231 115 027W110 1:8,7 190C
570046003510025011VJUR4 BR27T, 0 231 115 027as curve #4 for LPG/E85
6700460035100250100 231 115 052W110 1:9,0 190C, 200
7700450035100250100 231 115 052W110 1:8,6 200
8700450035100300100 231 115 060, 0 231 115 065W115 1:9,0 220US ask a profi!
9700460035100250110 231 115 052W110 1:9,0 for LPG/E85, 190C, 200
A700460035100250110 231 115 052W110 1:8,6 for LPG/E85, 200
B70046003510025011VJU4BR29, VJUR4BR27, VJUR14 & 22MERCEDES 180A & 190
C80040004510025010VJUR4BR28, 0 231 115 029MERCEDES 180B
D70026002710030010VJUBR11, VJR4BR24MERCEDES 190SL
E--------
F60032003010035020VJUR4BR6, VJUR4BR17Borgward Isabella

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