Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold.
Ignition/gasoline engine control system | |
Type | HFM Motronic |
Ignition advance angle, degrees before TDC | |
Determined by the control unit in the range 0 – 14.5 | |
The shift between the start and end of a series of sparks of paired candles | 0 – 10 degrees |
Malfunction Indicator Lamp (MIL) - flashes when misfires are present, lights continuously when other malfunctions in the control system are present | |
Spark plugs | |
Type | Interelectrode gap, mm |
Engines 1.8 l | |
Bosch F6MPP | - |
Engines 2.0, 2.3 l | |
Bosch F7 DPP | 332 1.0 |
NGK IFR 6D-10 | 0.8 |
Engines 2.6, 3.2 l (except 3.2AMG) | |
Bosch F7 DPP | 332 1.0 |
Bosch F8 DPER | 1.0 |
NGK IFR 6D-10 | 0.8 |
Engine 3.2AMG | |
Bosch F7 DPP 332 | 1.0 |
Firing order | |
4-cylinder | 1-3-4-2 |
V6 | 1-4-3-6-2-5 |
Coolant temperature sensor (B11/3)
Engine 111
Engine 271
Intake air temperature sensor (B17)
Engine 111
Engine 271
Diesel Engine Management System
Electronic with direct injection from the common rail "Common-Rail", turbocharger and intercooler | |
Cylinder firing order | |
4-cylinder | 1-3-4-2 |
5-cylinder | 1-2-4-5-3 |
Idle speed, rpm | |
Adjustment of the idle speed is not required as part of maintenance. | |
Diesel engine 611 | 650 - 850 |
Diesel engine 612 | 640 – 840 |
Speed limit, in min. | 4500 - 4900 |
Number of pulses on the diagnostic connector | 6 imp./rev |