Mercedes-old-6-R-V pre-programmed electronic ignition distributor

Brand	Mercedes
Cylinders	6
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

The 123\MERCEDES-OLD-6-R-V is especially designed for “older” 6-cyl. Mercedes engines. (before 1967)

– Mercedes 180
– Mercedes 219
– Mercedes 220a, 220S, 220SE
– Mercedes 300, 300b, 300c
– Mercedes 300S, 300Sc
– Mercedes 300SL

The 123\MERCEDES-OLD-6-R-V can replace one of these ‘Bosch’ – distributors :
VJUR6BR24, VJUR6BR32, VJUR6BR38, VJU6AR10,
VJU6BR21, VJU6BR21T, VJU6BR26 & ZV/PCS6R1T
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-Old – 6 – R – V = Mercedes-Old stands for the 123ignition type
Mercedes-Old – 6 – R – V = 6 stands for the number of cylinders
Mercedes-Old – 6 – R – V = R stands for straight distributor cap
Mercedes-Old – 6 – R – V = V stands for vacuum advance

How to install a 123ignition distributor

Download the manual

Download manual

Tune+ App Manual

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curve	advance starts [rpm crankshaft]	max. advance [rpm]	[degr. crankshaft]	vac. adv. starts [mmHg]	max. vac. adv. [mmHg]	[degr.]	replaces	remark
0	600	4500	32	100	350	20	BOSCH VJUR6 BR24	flat curve 2000-3500 rpm
1	800	2500	24	100	300	10	BOSCH VJUR6 BR32	-
2	600	4500	32	100	300	10	BOSCH VJUR6 BR38	-
3	600	4500	36	100	350	20	BOSCH VJU-6 AR10	-
4	600	3000	28	100	200	10	BOSCH VJU-6 BR21	-
5	600	3000	26	100	200	10	BOSCH VJU6 BR21T	-
6	600	4500	36	100	350	20	BOSCH VJU-6 BR26	-
7	700	2300	24	100	300	10	BOSCH ZV PCS-6R1T	-
8	1000	4500	23	100	300	10	TUNING	2000/6,5
9	1000	4500	23	100	300	10	TUNING	2000/9,0
A	1000	4500	23	100	300	10	TUNING	2000/11,0
B	1000	4500	23	100	300	10	TUNING	2000/13,0
C	1000	4500	26	100	300	10	TUNING	2000/7,5
D	1000	4500	26	100	300	10	TUNING	2000/10,0
E	1000	4500	26	100	300	10	TUNING	2000/12,0
F	1000	4500	26	100	300	10	TUNING	2000/14,0

Mercedes-old-6-R-V

How to install a 123ignition distributor

Download the manual

Tune+ App Manual

Where to buy?

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