Problems with the engine
Problem | Possible causes/consequences and
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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.
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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.
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The starter motor was exposed to a thermal load that was too high.
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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.
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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.
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See also:
Cigarette lighter
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unattended in the
ve ...
Important safety notes
WARNING
Severe conditions (e.g. strong air pollution) may require replacement of the
filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to t ...
Vehicle remote closing
If you forget to lock your vehicle but are no
longer in the vicinity of the vehicle, it can be
locked for you by the Mercedes-Benz
Customer Assistance Center.
The vehicle can be locked remotely ...