Mercedes-Benz SL Operator's Manual page 132

Driving
130
Problems with the engine
Problem
The engine does not
start.
The engine does not
start. The starter motor
can be heard.
The engine does not
start. You cannot hear
the starter motor.
The engine is not running
smoothly and is misfir-
ing.
Possible causes/consequences and M Solutions
The HOLD function or Distance Pilot DISTRONIC is activated.
Deactivate the HOLD function (
X
DISTRONIC ( page 160).
Y
Try to start the engine again.
X
There is a malfunction in the engine electronics.
R
There is a malfunction in the fuel supply.
R
Before attempting to start the engine again:
Turn the SmartKey back to position 0 in the ignition lock.
X
or
Press the Start/Stop button repeatedly until all indicator lamps in
X
the instrument cluster go out.
Try to start the engine again (
X
and frequent attempts to start the engine as these will drain the
battery.
If the engine does not start after several attempts:
Consult a qualified specialist workshop.
X
The on-board voltage is too low because the battery is too weak or
discharged.
Jump-start the vehicle (
X
If the engine does not start despite attempts to jump-start it:
Consult a qualified specialist workshop.
X
The starter motor was exposed to a thermal load that was too high.
Allow the starter motor to cool down for approximately two minutes.
X
Try to start the engine again.
X
If the engine still does not start:
Consult a qualified specialist workshop.
X
There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
Only depress the accelerator pedal slightly.
X
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it.
Have the cause rectified immediately at a qualified specialist work-
X
shop.
page 163) or Distance Pilot
Y
page 125). Avoid excessively long
Y
page 279).
Y