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123ignition for 4 Cylinder Mercedes

123ignition for 190SL and other 4 cylinder models

123ignition for 4-Cylinder Mercedes-Benz

The 123ignition system represents a remarkable advance in ignition performance for four- and six-cylinder Mercedes-Benz models from the fifties through the seventies. More than a distributor, the 123ignition is an elegant synthesis of new and time-tested technology, driven by a sophisticated microprocessor with onboard nonvolatile memory and a bank of preset digital advance curves that permanently eliminate the need for springs and weights.

The 123ignition combines precise, cylinder-by-cylinder power mapping, digitally stored advance curves and an optional digital vacuum advance sensor in a self contained design that minimizes moving parts and is virtually maintenance-free. Originally envisioned to bring classic cars into compliance with tightening European emissions standards, the 123ignition has been widely praised by the motoring press and adopted by enthusiasts as simply the finest electronic ignition system available for classic Mercedes-Benz automobiles.

Adapted for Secure Installation

Ours is the only 123ignition sold with the proper modifications to install in the 190SL engine without risk. The stock 123ignition is manufactured in a generic Bosch-style distributor body which cannot be securely fastened in the 190SL distributor bracket without modification.

This version of the 123ignition supports the following 4-cylinder Mercedes models without vacuum advance/retard, including stock 190SL:

Curve #

Replaces Bosch #

For engine

For model(s)

0

0231.115.064

W115, compr. 1 : 9.0

200/220/230

0231.170.138

1

0231.115.064

W115, E85/LPG,

200/220/230

compr. 1 : 9.0

0231.170.138

2

0231.170.237

W123, compr. 1:9.0

200 / 230

3

0231.170.237

W123, E85/LPG,

200 / 230

compr. 1 : 9.0

4

VJUR4 BR27T

W110, compr. 1 : 8.7

190C

0231.115.027

5

VJUR BR27T

W110, E85/LPG,

190C

0231.115.027

compr. 1 : 8.7

6

0231.115.052

W110, compr. 1 : 9.0

190C / 200

7

0231.115.052

W110, compr. 1 : 8.6

200

8

0231.115.060

W115, 1 : 9.0

220 US

0231.115.065

9

0231.115.052

W110, E85/LPG,

compr. 1 : 9.0

190C / 200

A

0231.115.052

W110, E85/LPG,

compr. 1 : 8.6

200

B

* VJU4BR14/22/27/29

180a, 190

C

* VJURBR28

180b

D

* VJ4BR11, VJR4BR24

190SL

E

-- -- --

F

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Price: $495.00