Mercedes W124

since 1985-1995 of release

Repair and car operation



W124 Mercedes
+ Governing bodies and control devices
+ MAINTENANCE
+ 2. Maintenance (diesel engines)
+ ENGINE
+ 4. Repair of 6-cylinder petrol SOHC engines
+ 5. Repair of 6-cylinder petrol DOHC engines
+ 6. Repair of the diesel engine established in the car
+ 7. Major maintenance of engines
+ COOLING SYSTEM
+ FUEL SYSTEM
+ 10. System of injection of BOSCH CIS-E fuel (KE-JETRONIC)
+ 11. System of injection of BOSCH HFM fuel
+ 12. Fuel system of diesel engines
+ 13. Fuel system of diesel engines
+ SYSTEMS OF START, IGNITION
- 15. System of ignition of 4-cylinder petrol engines
   15.2. System of ignition of EZL
   15.3. System of ignition of TFZ
   15.4. Check of system of ignition
   15.5. Ignition coil
   15.6. Ignition distributor
   15.7. Distributor rotor
   15.8. Corner of an advancing of ignition
   15.9. Elements of a control system of ignition
+ 16. System of ignition of four-cylinder petrol engines
+ PRESTARTING HEATING
+ TRANSMISSION
+ 19. Mechanical transmission
+ 20. Automatic transmission
+ POWER SHAFTS
+ BRAKE SYSTEM
+ SUSPENSION BRACKET
+ BODY
+ ELECTRIC EQUIPMENT
+ CHECK OF MALFUNCTIONS






15. System of ignition of 4-cylinder petrol engines

15.1. Technical characteristics

Type:
– models with the engine of 2,0 l with the Stromberg carburetor
TSZ
– models with the engine of 2,0 l with the Pierburg 2E-E carburetor
EZL
– models with the engine of 2,0 l with system of injection of KE-Jetronic fuel:
   • late models
EZL
   • early models without the catalyst
TSZ
– models with the engine of 2,3 l with system of injection of KE-Jetronic fuel:
   • late models
EZL
   • early models without the catalyst
TSZ

Ignition coil

Models with system of ignition of TSZ:
– resistance of primary winding
0,5-0,9 Ohm
– resistance of a secondary winding
6–16 Ohm
Models with system of ignition of EZL:
– resistance of primary winding
0,3-0,6 Ohm
– resistance of a secondary winding
8–13 Ohm

Ignition distributor

Type
Without the breaker, with a drive from the crankshaft
Corner of an advancing of ignition
Copes ignition system
Resistance of the sensor of impulses (only TSZ system)
500-700 Ohm

Corner of an advancing of ignition


Models with system of ignition of EZL and the Pierburg 2E-E carburetor:
– on idling turns
11-15 ° to VMT
– at 3200 rpm with vacuum, a cap in a fine tuning nest in the situation "S"
38-42 ° to VMT
– at 3200 rpm with vacuum, a cap in a fine tuning nest in the situation "N"
38-42 ° to VMT
– at 3200 rpm without vacuum, a cap in a fine tuning nest in the situation "S"
22-26 ° to VMT
– at 3200 rpm without vacuum, a cap in a fine tuning nest in the situation "N"
15-19 ° to VMT
Models with system of ignition of EZL and system of injection of KE-Jetronic:
– on idling turns
8–12 ° to VMT
– at 3200 rpm with vacuum, a cap in a fine tuning nest in the situation "S"
35-39 ° to VMT
– at 3200 rpm with vacuum, a cap in a fine tuning nest in the situation "N"
35-39 ° to VMT
– at 3200 rpm without vacuum, a cap in a fine tuning nest in the situation "S"
23-27 ° to VMT
– at 3200 rpm without vacuum, a cap in a fine tuning nest in the situation "N"
17-21 ° to VMT
Models with system of ignition of TSZ and system of injection of KE-Jetronic:
– on idling turns with vacuum, on etilirovanny fuel
12-18 ° to VMT
– on idling turns with vacuum, on unleaded fuel
7–13 ° to VMT
– a corner of an advancing of ignition at 4500 rpm without vacuum, on etilirovanny fuel
32 ° to VMT
– a corner of an advancing of ignition at 4500 rpm without vacuum, on unleaded fuel
27 ° to VMT
– the vacuum proof-reader of a corner of an advancing of ignition at 4500 rpm
8–12 ° to VMT
Models with system of ignition of TSZ and the Stromberg carburetor:
– on idling turns without vacuum, on etilirovanny fuel
10-16 ° to VMT
– a corner of an advancing of ignition at 4500 rpm with vacuum
40-44 ° to VMT
– the vacuum proof-reader of a corner of an advancing of ignition at 4500 rpm
8–12 ° to VMT

Spark plugs

All models
Champion S9YC/CC
Interelectrode gap
0,8 mm

Sensors

Resistance of the sensor of provision of a cranked shaft
600-1200 Ohm
Resistance of the sensor of temperature of cooling liquid:
– at temperature 80 ° With
325 Ohm
– at temperature 40 ° With
1,2 kiloohms
– at temperature 0 ° With
6 kiloohms
Resistance of the sensor of temperature of air arriving in the engine:
– at temperature 80 ° With
325 Ohm
– at temperature 40 ° With
1,2 kiloohms
– at temperature 0 ° With
6 kiloohms

Tightening moments

Spark plugs
15 nanometers