check engine MERCEDES-BENZ CL-Class 2008 C216 Comand Manual

615 Practical hints
What to do if …?
Problem
Possible cause/consequence
Suggested solution
v
The yellow ESP
® warning lamp
comes on while the engine is
running.
The ESP
® is deactivated.
Risk of accident!
Adapt your speed and driving to the prevail-
ing road, weather, and traffic conditions.

Switch the ESP
® back on (
page 70).
Exceptions: (
page 72).
If the ESP
® cannot be switched back on:

Have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.
ESP
® is switched off due to a malfunction.
Risk of accident!
Adapt your speed and driving to the prevail-
ing road, weather, and traffic conditions.

Continue driving with added caution.

Read and observe messages in the mul-
tifunction display (
page 622).

Have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.
<
The red seat belt telltale comes
on for a maximum of 6 seconds
after starting the engine.
The seat belt telltale reminds you and your
passengers to fasten your seat belts before
driving off.

Fasten your seat belts.
Regardless of whether the seat belts are
fastened or not, the seat belt telltale al-
ways comes on and remains lit for
6 seconds after starting the engine.

617 Practical hints
What to do if …?
Problem
Possible cause/consequence
Suggested solution
=
The red SRS indicator lamp
comes on while the engine is
running.
There is a malfunction in the supplemental
restraint systems. The air bags or emergen-
cy tensioning devices (ETDs) could deploy
unexpectedly or fail to deploy in an
accident.

Drive with added caution to the nearest
authorized Mercedes-Benz Center.
Warning!
G
In the event that a malfunction of the SRS is
indicated as outlined above, the SRS may
not be operational. For your safety, we
strongly recommend that you contact an au-
thorized Mercedes-Benz Center immediate-
ly to have the system checked; otherwise
the SRS may not be deployed when needed
in an accident, which could result in serious
or fatal injury, or it might deploy unexpect-
edly and unnecessarily which could result in
an accident and/or injury to you or to
others.

634 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Parking Guidance
Currently Unavailable
See Oper. Manual
Advanced Parking Guidance* is deactivat-
ed because the area around the sensors*
in the front or the rear bumper
(page 601) is dirty.

Clean the front and rear bumper (
page 601).
Advanced Parking Guidance* is deactivat-
ed because the battery voltage is insuffi-
cient.

Have the battery checked by an authorized Mercedes-Benz
Center.
Advanced Parking Guidance* is switched
off because the radar sensor system* is
temporarily inoperative due to electromag-
netic interference near television and radio
transmitter stations, toll stations, speed
measuring systems, etc.

Wait to see if the interference is temporary or do not use Ad-
vanced Parking Guidance*. Try in a location where the inter-
fering transmission might not be present.
Parking Guidance
Canceled
Advanced Parking Guidance* has been
canceled because:

the vehicle is sliding


the bumper became dirty in the area of
the sensors (
page 601)


there has been a malfunction

Use Advanced Parking Guidance* again later.
If the parking space symbol is not shown in the multi-function dis-
play at a speed below 10 mph (16 km/h):

Clean the bumpers (
page 601).
or

Restart the engine.
or

Contact an authorized Mercedes-Benz Center.

636 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Shift to P or N
to Start Engine
You have attempted to start the engine
while the automatic transmission was set to
reverse gearR or drive positionD.

Shift the automatic transmission to park position P or neutral
positionN (
page 417).
Tire Pressure Monitor
Inoperative
The Advanced TPMS or a wheel sensor is
malfunctioning.

Have the Advanced TPMS checked by an authorized
Mercedes-Benz Center.
Tire Pressure Monitor
Inoperative
No Wheel Sensors
The Advanced TPMS is deactivated because
wheels without proper sensors were in-
stalled.

Have the wheel sensors installed by an authorized
Mercedes-Benz Center.
As soon as all wheels with sensors have been mounted, the
Advanced TPMS is switched back on after driving for several
minutes.

643 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Check
Brake Fluid Level
There is insufficient brake fluid in the reser-
voir.
Risk of accident!
Carefully stop the vehicle in a safe location or
as soon as it is safe to do so.

Engage the electronic parking brake
(page 412).

Contact an authorized Mercedes-Benz Cen-
ter.

Do not add brake fluid! This will not solve the
problem.
(USA only)(Canada only)Warning!
G
Driving with the message “Check Brake Fluid
Level ” displayed can result in an accident.
Have your brake system checked immedi-
ately. Do not add brake fluid before check-
ing the brake system. Overfilling the brake
fluid reservoir can result in spilling brake flu-
id on hot engine parts and the brake fluid
catching fire. You can be seriously burned.
!
If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum mark or
below, have the brake system checked for brake
pad thickness and leaks.

653 Practical hints
What to do if …?
Display
Possible cause/consequence
Possible solution
Inoperative
See Oper. Manual
CL 600 and CL 65 AMG only:
ESP
® as well as PRE-SAFE
® are switched off
due to a malfunction. In addition, the v
and ; (USA only) or 3(Canada only)
warning lamps come on in the instrument
cluster.
Brake force assistance is impaired and is
sustained through an electric substitute
function as long as the engine is running.
The brake system continues to function
normally. You will feel a pulsating effect at
the brake pedal while braking.
BAS Plus* and PRE-SAFE® Brake* are also
not available.

Continue driving with added caution.

Have the system checked at an authorized
Mercedes-Benz Center as soon as possible.
Failure to follow these instructions increases the
risk of an accident.

656 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Check
Coolant Level
See Oper. Manual
The coolant level is too low.

Add coolant (
page 559).

If you have to add coolant frequently, have
the cooling system checked by an authorized
Mercedes-Benz Center.
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. You could be seriously burned.
!
Do not ignore the low engine coolant level
warning. Extended driving with the message and
symbol displayed may cause serious engine
damage not covered by the Mercedes-Benz Lim-
ited Warranty.
Do not drive without a sufficient amount of cool-
ant in the cooling system. The engine will over-
heat, causing major engine damage.

658 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Coolant Low
Stop Vehicle
Turn Engine Off
The poly-V-belt could be broken.

Stop the vehicle in a safe location or as soon
as it is safe to do so and immediately turn off
the engine.

Engage the electronic parking brake
(page 412).

Check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise the en-
gine will overheat due to an inoperative water
pump which may result in damage to the en-
gine.

Notify an authorized Mercedes-Benz Center.
If it is intact:

Do not continue to drive the vehicle with this
message displayed. Doing so could result in
serious engine damage that is not covered by
the Mercedes-Benz Limited Warranty.

Observe the coolant temperature gauge in
the instrument cluster (
page 30).
(Continued on next page)

670 Practical hintsWhat to do if …?Display
Possible cause/consequence
Possible solution
Night View Assist
Lights ON or AUTO,
Not in R Gear
You have tried to switch on Night View
Assist* but the light switch is not set
to*or B.
In addition, the automatic transmission is in
reverse gearR.

Turn the exterior lamp switch
to*orB (
page 391).

Shift the automatic transmission to park po-
sition P, neutral positionN or drive
positionD (
page 417).
Night View Assist
Only When
It Is Dark
You have tried to switch on Night View
Assist* by daylight.
You can only switch on Night View Assist* when
it is dark.
Engine Oil Level Low
Stop Vehicle
Turn Engine Off
CL 600 and CL 65 AMG only:
There is no oil in the engine. There is a dan-
ger of engine damage.

Carefully bring the vehicle to a halt as soon
as it is safe to do so in a safe location.

Engage the electronic parking brake
(page 412).

Turn off the engine.

Add engine oil (
page 557) and check the
engine oil level (page 554).

671 Practical hints
What to do if …?
When the message “Check Engine Oil Level
at Next Refueling” (CL 550 and
CL 63 AMG) or “Check Engine Oil Level
(Add 1 quart). (Canada:1Liter)” (CL 600
and CL 65 AMG) appears while the engine
is running and at operating temperature,
the engine oil level has dropped to approx-
imately the minimum level.When this occurs, the warning is at first in-
termittent and then remains on if the oil
level drops further.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest ser-
vice station to refill engine oil to the re-
quired level with an approved oil.For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.Display
Possible cause/consequence
Possible solution
Check
Engine Oil Level
(Add 1 quart)
(USA only)
Check
Engine Oil Level
(Add 1 Liter)
(Canada only)
CL 600 and CL 65 AMG only:
The engine oil level is too low.

Check the engine oil level (
page 554) and
add engine oil as required (page 557).

If you must add engine oil frequently, have
the engine checked for possible leaks.
Check
Engine Oil Level
at Next Refueling
CL 550 and CL 63 AMG only:
The engine oil level has dropped to approx-
imately the minimum level.

Check the engine oil level (
page 554) and
add engine oil as required (page 557).

If you must add engine oil frequently, have
the engine checked for possible leaks.
!
Engine oil level warnings should not be ig-
nored. Extended driving with the symbol dis-
played could result in serious engine damage
that is not covered by the Mercedes-Benz Limit-
ed Warranty.