Problems with the engine
Problem | Possible causes/consequences and Solutions |
The engine does not start. The starter motor can be heard. | • There is a malfunction in the engine electronics. • There is a malfunction in the fuel supply.
Before attempting to start
the engine again, turn the SmartKey in the ignition back to position 0
or press the Start/Stop button repeatedly until all indicator lamps in
the instrument cluster go out. |
The engine does not start. You cannot hear the starter motor. | The on-board voltage is too low because the battery is too weak or
discharged. Jump-start
the vehicle. |
The starter motor was exposed to a thermal load that was too high.
Allow the starter motor to
cool down for approximately two minutes. |
|
The engine is not running smoothly and is misfiring. | There is a malfunction in the engine electronics or a mechanical
component of the engine management system.
Only depress the
accelerator pedal slightly. |
The coolant temperature gauge shows a value above 248 °F (120 °C). | The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
Stop as soon as possible
and allow the engine and the coolant to cool down. |
See also:
Showing the distance display
This function is only available with
DISTRONIC PLUS.
– Press the or
button on the
steering wheel to select the DriveAssist
menu.
– Press the or
button to select
Distance Display.
– Pr ...
Cleaning the headliner and carpets
Headliner: use a soft brush or a cleaning
agent recommended and approved by
Mercedes-Benz to remove heavy soiling.
Carpets: use the carpet and textile
cleaning agents recommended ...
Engine number
1 Emission control information plate,
including the certification of both federal
and Californian emissions standards
2 Engine number (stamped into the
crankcase)
3 VIN (on the lower edg ...