Ignition System Specifications (Mercedes-Benz S-Class W116)

Ignition timing angle:

• 280 S — 28° before TDC
• 280 SE - 32° BTDC
• 350SE, since 1972 - 34° BTDC
• 350 SE since 1973 - 30° BTDC
• 450 SE/ SEL - 30° BTDC

Distributor

Cylinder firing order

• six-cylinder engine - 1-5-3-6-2-4
• eight-cylinder engine - 1 - 5 - 4 - 8 - 6 - 3 - 7 - 2

Bosch ignition switch - No.0 227 051 024

Ignition coil

(Article based on data from the website: MercedesMAN)



Additional resistance, nominal value at 20°C

• 280 SE - 1 resistor, red mounting bracket, 1.8-1.6 Ohm
• 280 SE, 350 SE, 450 SE - 2 resistors, blue mounting bracket, 0.4±0.05 Ohm; metal mounting bracket 0.6±0.05 Ohm

Voltage on ignition coil, breaker closed

• 280 S - min 5.0 V, measured at terminal 15
• other motors - 0.7-1.5 V, measured at terminal 1

Spark plugs

• Type of candles - select from the catalogs of the manufacturers

The gap between the electrodes is 0.8 mm