Complete electronic 123 Ignition distributor for Mercedes 190C, 200, 220, 220US, and 230 models. Item # 123MERCEDES-4-R-V with vacuum advance designed for the W110, W115 and W123 engines. 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 injection-systems, a 123MERCEDES-4-R-V-IE is available. Click here for installation instructions. The ignition-system in a classic car is often the source of many problems. After many years the mechanical system is worn, and replacement of the points with an optical or magnetical setup, does not make up for wear in the advance-mechanism, the shaft and bearings etc. Well, 123ignition is different. It comes in a housing, that exactly looks like its mechanical counterpart on the outside, but that houses a lot of high-tech on the inside.A 123ignition keeps the looks under the bonnet 'original', but makes the engine spin like a Japanese sewing-machineMoreover : you don't have to sacrifice your mechanical distributor. Part #: 123/MERC-4-R-V