Mercedes-benz E-Cabriolet 2015 User Manual download pdf (Page 169)

Problems with the engine

Problem

Possible causes/consequences and MM 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.

Try to start the engine again (Y page 163). Avoid excessively

long 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.

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 (Y page 327).

If the engine does not start despite attempts to jump-start it:

Consult a qualified specialist workshop.

The starter motor was exposed to a thermal load that was too high.

Allow the starter motor to cool down for approximately two

minutes.

Try to start the engine again.

If the engine still does not start:

Consult a qualified specialist workshop.

The engine is not run-

ning smoothly and is

misfiring.

There is a malfunction in the engine electronics or in a mechanical

component of the engine management system.

Only depress the accelerator pedal slightly.

Otherwise, non-combusted fuel may get into the catalytic con-

verter and damage it.

Have the cause rectified immediately at a qualified specialist

workshop.

The coolant tempera-

ture gauge shows a

value above 248 ‡

(120 †).

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.

Check the coolant level (Y page 309). Observe the warning

notes as you do so and add coolant if necessary.

Driving

167

Driving and parking

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Mercedes-benz E-Cabriolet 2015 User Manual Page 169

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