Mercedes-Benz C Installation and operation manual

C, CL, CLS, E, GLK, S, SLK
2012 Service Booklet
C, CL, CLS, E, GLK, S, SLK
Livret d’entretien 2012

LZP-3101-2012-ALL-B (12/11) Ed. C © Mercedes-Benz Canada Inc.
Modèles: Sedan C250, C2504M, C3004M, 350, C3504M, C63AMG / Coupe C250, C350, C3504M,
C63AMG, CL5504M, CL600, CL63AMG, CL65AMG, CLS5504M, CLS63AMG, Coupe E350, E3504M,
E550 / Cabriolet E350, E550 / Sedan E3004M, E3504M, E350BlueTEC, E5504M, E63AMG / Wagon
E3504M, GLK350, GLK3504M, S400Hybrid, S350BlueTEC4M, S5504M, S600, S63AMG, S65AMG,
SLK350, SLK250, SLK55AMG, 63AMG BLACK SERIES INTERVALLES FIXES
La reproduction, la traduction ou la copie en tout ou en partie est interdite sans l’autorisation écrite
préalable de notre part. Sujet à modification. Date d’impression 8 déc 2011.
Imprimé au USA. (4150-120811)
Entretien et documentation
LZP-3101-2012-ALL-B (12/11) Ed. C © Mercedes-Benz Canada Inc.
Models: Sedan C250, C2504M, C3004M, 350, C3504M, C63AMG / Coupe C250, C350, C3504M,
C63AMG, CL5504M, CL600, CL63AMG, CL65AMG, CLS5504M, CLS63AMG, Coupe E350, E3504M,
E550 / Cabriolet E350, E550 / Sedan E3004M, E3504M, E350BlueTEC, E5504M, E63AMG / Wagon
E3504M, GLK350, GLK3504M, S400Hybrid, S350BlueTEC4M, S5504M, S600, S63AMG, S65AMG,
SLK350, SLK250, SLK55AMG, 63AMG BLACK SERIES FIXED INTERVALS
Reprinting, translation and copying, even of excerpts, are not permitted without our prior authorization in
writing. Subject to modification. Press time December 8, 2011. Printed in USA. (4150-120811)
We want you to enjoy your Mercedes-Benz
vehicle. Vehicle safety and operational
reliability are two very important factors
and to maintain them, regular maintenance
services are necessary.
We continuously strive to improve our
product and ask for your understanding
that we reserve the right to make changes
in the periodic maintenance work which is
required for our vehicles.
The information in this manual is accurate
as of the editorial date. At the time of your
scheduled maintenance appointments with
your authorized Mercedes-Benz Dealer, the
most current maintenance work informa-
tion will be utilized for your vehicle’s age
or kilometres. Please check with your
authorized Mercedes-Benz Dealer for any
changes to the periodic maintenance work
required for your vehicle.
PLEASE NOTE
WE STRONGLY RECOMMEND THAT YOU
HAVE YOUR VEHICLE SERVICED BY YOUR
AUTHORIZED MERCEDES-BENZ DEALER
WHO IS FULLY EQUIPPED TO PROVIDE THIS
SERVICE AND THAT GENUINE MERCEDES-
BENZ PARTS BE USED.
THE USE OF DEFECTIVE OR NON-
EQUIVALENT PARTS MAY RESULT IN YOUR
EMISSION PERFORMANCE WARRANTY
CLAIM BEING DENIED.
Symbols
AdBlue® is a registered trademark of the
German Association of the Automotive
Industry (VDA).
The following symbols are found in this
Service Booklet:
Warning! G
Warning notices draw your attention to
hazards that may endanger your health
or life, or the health or life of others.
! Highlights hazards that may result in
damage to your vehicle.
i Helpful hints or further information you
may find useful.
e page This symbol tells you where to
look for further information on a
topic.
Internet
For further information you can find us on
the Mercedes-Benz web-site
www.mercedes-benz.ca
Service and Literature
Nous désirons que vous puissiez profiter de
votre véhicule Mercedes-Benz. La sécurité
et la fiabilité du véhicule sont deux facteurs
importants pour y arriver. Afin de maintenir ces
facteurs un entretien régulier est nécessaire.
L’amélioration de nos produits étant un objectif
que nous ne cessons de poursuivre, nous vous
prions de prendre avis que nous nous réservons
le droit de modifier les travaux périodiques
d’entretien requis pour votre véhicule.
L’information contenue dans ce guide était
exacte au moment de l’édition. Au moment
de l’entretien prévu par rendez-vous avec
votre concessionnaire Mercedes-Benz agréé,
l’information la plus récente pour les travaux
d’entretien sera utilisée selon l’âge et le
kilométrage de votre véhicule. Nous vous
prions de vous informer auprès de votre
concessionnaire Mercedes-Benz agréé de
tout changement dans les travaux d’entretien
périodique pour votre véhicule.
Internet
Pour de plus amples renseignements, dirigez-
vous sur le site Internet de Mercedes-Benz à
l’adresse www.mercedes-benz.ca
Symboles
AdBlue® est une marque de commerce de
l’Association de l’industrie automobile allemande
(VDA).
Vous trouverez les symboles suivants dans
ce livret d’entretien :
Avertissement ! G
Les consignes d’avertissements attirent
l’attention sur les risques susceptibles de
mettre votre vie et votre santé en danger
ainsi que la vie et la santé des autres.
! Ce symbole souligne les risques susceptibles
d’endommager votre véhicule.
i Conseils ou informations utiles.
e page Ce symbole vous dirige vers
d’autres informations sur le sujet.
NOUS RECOMMANDONS FORTEMENT QUE
VOUS CONFIEZ LES TRAVAUX D’ENTRETIEN DE
VOTRE VÉHICULE À UN CONCESSIONNAIRE
MERCEDES-BENZ AGRÉÉ QUI POSSÈDE TOUT
L’ÉQUIPEMENT POUR EXÉCUTER LES TÂCHES
D’ENTRETIEN ET QUI UTILISE LES PIÈCES
D’ORIGINE MERCEDES-BENZ.
L’UTILISATION DE PIÈCES ÉDFECTUEUSES OU
QUI NE SONT PAS ÉQUIVALENTES PEUT EN-
TRAÎNER LE REJET DE VOTRE RÉCLAMATION AU
TITRE DE LA GARANTIE DE LA PERFORMANCE
DU SYSTÈME ANTIPOLLUTION.
PRIÈRE DE NOTER

1
EE
Model Vehicle Identification Number (VIN)
EE
Date of initial registration Paint color and code
EE
License Plate No. License Plate No.
EE
License Plate No. License Plate No.
EE
License Plate No. License Plate No.
EE
License Plate No. License Plate No.
Vehicle data

2
Protecting the environment
Natural resources form the basis of our
existence on this planet. The objectives of
our policy are for these resources to be used
sparingly and in a manner which takes the
requirements of both nature and humanity
into account.
Our declared policy is integrated
environmental protection. This policy starts
at the root causes and encompasses in its
management decisions all the consequences
for the environment which could arise
from production processes or the products
themselves.
You too can help to protect the environment
by operating your Mercedes-Benz in an
environmentally responsible manner.
Operating conditions and your individual
driving style to a large extent influence fuel
consumption and the rate of engine, brake,
and tire wear. To reduce fuel consumption
and the rate of wear, please consider the
following:
• Avoid short trips.
• Make sure that the tire pressures are
always correct.
• Avoid frequent, abrupt acceleration.
• Do not carry any unnecessary weight.
• Remove ski holders and roof racks once
you no longer need them.
• Do not warm up the engine with the
vehicle stationary.
• Shift gears such that each gear is used
only up to 2/3 of its maximum engine
speed.
• Keep an eye on the vehicle’s fuel
consumption.
A regularly serviced vehicle will also help
protect the environment. You should adhere
to the service intervals displayed by the
Mercedes-Benz Maintenance System service
indicator, along with other maintenance
work described in this booklet.
We recommend that you have services
performed by your authorized Mercedes-
Benz Dealer using Genuine Mercedes-Benz
parts.
Protecting the environment

3Contents
Introduction
Mercedes-Benz Maintenance System . . . . . . . . . . . . . . . 4
Regular checks . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Notes on the warranty . . . . . . . . . . . . . . . . . . . . . . . 8
Spare Parts / Operating materials . . . . . . . . . . . . . . . . . 9
Service records . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Emission system maintenance . . . . . . . . . . . . . . 10
Maintenance service descriptions . . . . . . . . . . . 15
Service 1-23 . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Tire Rotation Confirmation . . . . . . . . . . . . . . . . . 24
Pre-delivery Inspection Confirmation . . . . . . . . . 25
Confirmations
Maintenance Services . . . . . . . . . . . . . . . . . . . . . . 26
Contents

4
Service Booklet
Introduction
Introduction
Mercedes-Benz Maintenance System
Your Mercedes-Benz comes equipped with
the Mercedes-Benz Maintenance System.
The Maintenance system tracks distance
driven and the time elapsed since your last
service. In addition, it calculates service
items that need to be performed and other
required maintenance work. The next
necessary maintenance service is indicated
in the multifunction display in the instrument
cluster.
Approximately 1 month before a
maintenance service is due, a message
appears in the multifunction display. The
message provides the remaining kilometres
or days until the next maintenance service
is due.
The maintenance services will be indicated
by showing a service type A through type H
in the multifunction display. Types A through
H are classified based on the estimated time
needed to perform the maintenance service,
ranging from up to approximately one hour
(type A) to up to approximately eight hours
(type H).
C/CLS/E/GLK/SLK ONLY
Maintenance services will be indicated by
showing types A or B in the multifunction
display. The service type displayed
indicates whether a Minor (A) or Major
(B) service is required (e pages 16, 18)
and is based on distance driven and time
elapsed since the last service.
When scheduling a service appointment
with your authorized Mercedes-Benz Dealer,
always indicate the service type that
appears in the multifunction display. This will
help the authorized Mercedes-Benz Dealer
to schedule your vehicle maintenance in the
most efficient manner.
A descriptive listing of the service items are
contained in this booklet starting on e page
16. Following each maintenance service,
your authorized Mercedes-Benz Dealer
will reset the Mercedes-Benz Maintenance
System service indicator by confirming the
service items performed.
The authorized Mercedes-Benz Dealer
performing the required maintenance
services will confirm using the Confirmation
pages in this booklet (e page 25) the work
has been carried out.
We continuously strive to improve our
product and ask for your understanding that
we reserve the right to make changes in the
periodic maintenance work which is required
for our vehicles.
The information in this manual is accurate
as of the editorial date. At the time of your
scheduled maintenance appointments with
your authorized Mercedes-Benz Dealer,
the most current maintenance work
information will be utilized for your vehicle’s
age or kilometres. Please check with your
authorized Mercedes-Benz Dealer for any
changes to the periodic maintenance work
required for your vehicle.
! If the Mercedes-Benz Maintenance
System maintenance service counter was
inadvertently reset, have an authorized
Mercedes-Benz Dealer correct it. Please
only reset if the proper maintenance service
has been performed. Resetting the system
without performing the proper maintenance
service will result in engine and/or other
vehicle damage not covered by the Mercedes-
Benz Limited Warranty.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.

5
Service Booklet
Introduction
Please note any maintenance work
not performed or not performed at the
specified interval which results in the
failure of the warranted component(s) or
system(s) in question may not be covered
by the Mercedes-Benz New Vehicle Limited
Warranty.
Tire rotation
Your vehicle’s tires are a critical component
to overall vehicle performance and vehicle
stability. The useful life of tires will vary
and is proportional to tire type, speed
rating, ambient conditions, tire loading,
tire inflation pressure, road surfaces, and
individual driving style, among other factors.
Therefore, Mercedes-Benz recommends
regular checks for wear and proper inflation
and, if applicable to your vehicle’s tire
configuration, tire rotation.
Tire rotations can be performed on
vehicles with the same front and rear tire
dimensions. If your vehicle is equipped
with the same tire dimensions all around,
tires can be rotated by observing a front-
to-rear rotation pattern that will maintain
the intended rotation (spinning) direction
of the tire (on unidirectional tires, an arrow
on the sidewall indicates the intended
rotation or spinning direction of the tire). In
some cases, such as when your vehicle is
configured with staggered size (different tire
sizes, front vs. rear), tire rotations are not
possible.
If your vehicle’s tire configuration allows
for tire rotation, tire rotation should be
performed in accordance with the tire
manufacturer’s recommended intervals, or
sooner at first signs of irregular (uneven)
tread wear. Tire manufacturer’s rotation
recommendations will necessitate a
tire rotation at least once in between
maintenance services and at every
maintenance service based on Mercedes-
Benz maintenance intervals.
Tire rotations should be performed in
accordance with the tire manufacturer’s
recommendations. Please refer to the tire
pamphlet in your vehicle literature portfolio.
For your convenience, this Service Booklet
contains a tire rotation confirmation
page on which you can record the date
and kilometres when tire rotations were
performed (e page 24).
Severe operating conditions
The maintenance intervals have been
determined so that the vehicle, under
normal operating conditions, should operate
properly between maintenance services.
Severe operating conditions may call for
correspondingly sooner replacement of the
following items:
• INTERIOR FILTERS
(e.g. dust filter, recirculating air filter,
activated charcoal filter or combination
filter) are replaced as called for by the
Mercedes-Benz Maintenance System.
Under severe dust conditions, or with
the Climate Control frequently operating
in the air recirculation mode, the filters
should be replaced correspondingly
sooner and changed more frequently
than as called for by the Mercedes-Benz
Maintenance System.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.

6
Service Booklet
Introduction
• SPARK PLUGS
Spark plugs should be replaced according
to the specified maintenance interval.
Severe operating conditions (frequent
starting and stopping, excessive idling,
sustained fast highway driving) may
call for spark plugs to be replaced
correspondingly sooner.
• COOLANT
Coolant should be checked for the
proper concentration before the start
of the winter season (or once a year in
hot regions). Have the coolant (water/
anticorrosion/antifreeze mixture)
replaced at the specified maintenance
interval for your vehicle model.
In vehicles with engine 275, the coolant
for the main circuit should be checked for
proper concentration before the start of
each winter season (or once a year in hot
regions) and replaced every 3 years. The
coolant for the low temperature circuit
should be replaced every 240,000 KM or
15 years.
Replacement of coolant may be required
more frequently if coolant is not
maintained according to instructions and/
or other than approved anticorrosion/
antifreeze products for your vehicle are
being used. For instructions on coolant,
see “Coolants” in your vehicle Operator’s
Manual. For a listing of approved
anticorrosion/antifreeze products for
your vehicle, contact your authorized
Mercedes-Benz Dealer.
• BRAKE FLUID
Brake fluid should be replaced every
two years, preferably in the spring. We
recommend that you only use brake
fluid approved by Mercedes-Benz. A
reminder for the next scheduled brake
fluid replacement is affixed in the engine
compartment.
Wear items
While the Mercedes-Benz Maintenance
System calls for inspection of certain
wear items, the system does not make
any judgment on the condition of these
wear items. Only a qualified technician
can determine if a wear item needs to be
replaced.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.

7
Service Booklet
Introduction
Approved engine oils and oil filters
Engine oils and oil filters are specifically
tested for their suitability in our engines and
durability for our service intervals. Therefore,
only use approved engine oils and oil
filters required for vehicles with Mercedes-
Benz Maintenance System. Conventional
petroleum-based oils must not be used for
vehicles equipped with the Mercedes-Benz
Maintenance System.
The following cases are not covered by the
Mercedes-Benz New Car Limited Warranty:
• Using engine oils and oil filters of
specification other than those expressly
required for the Mercedes-Benz
Maintenance System.
• Changing of oil and oil filter at change
intervals longer than those called for by
the Mercedes-Benz Maintenance System.
• Using any oil additives.
For a listing of approved engine oils and
oil filters contact your local authorized
Mercedes-Benz Dealer.
Use the table below to determine the MB
sheet number. Refer to the Operator’s
Manual for the engine type of your model.
The model and engine type can be found in
the chapter “Technical data” under “Engine”.
Engine type MB sheet number
152 229.51
156 229.51
157 229.52
271 229.5
272 229.5
275 229.52
276 229.5
278 229.5
642 229.51
1 Restriction: Only SAE 0W-40 or 5W-40 engine
oils may be used.
2 Restriction: Only SAE 0W-40 engine oils may be
used.
i MB sheet numbers are printed on the outside of
oil containers.
Viscosity grades for engine oils
Using the chart below, select oil viscosity
according to the lowest air temperature
expected before the next oil change.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.

8
Service Booklet
Regular checks
In addition to the services, we recommend
that you check the following items regularly
(for example: weekly, when refueling, or
before any long journey):
• Engine oil level - Further information
about engine oil level measurement can
be found in the vehicle Operator’s Manual.
• Coolant level - Please refer to the
Operator’s Manual for the correct
procedure to check the coolant level.
• Brake fluid level - If brake fluid has to be
added, see an authorized Mercedes- Benz
Dealer to determine the cause, e.g. leaks
or worn brake pads.
• Windshield washing system - If the
washer fluid level drops below the
minimum level, the windshield washer
fluid level warning appears. Add
washer fluid mixed with Mercedes-Benz
windshield washer solvent/concentrate,
test function and check wiper blades.
• Lighting System
• Tire condition and pressures – Check
at least every other week. Please refer
to section “Tires and wheels” in the
Operator’s Manual for guidelines and
correct procedures to check tire condition
and pressures.
Please use only factory approved service
products. See your Mercedes-Benz dealer
for more information on selecting the proper
fluids, lubricants, and oils for your vehicle.
Notes on the warranty
An extensive and well-equipped network of
authorized Mercedes-Benz Dealers is at your
disposal for service work. Your authorized
Mercedes-Benz Dealer can ensure that your
vehicle is professionally and thoroughly
serviced and repaired.
Please see the Service and Warranty
Information booklet for detailed information
on warranty terms and coverage.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Introduction

9
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Please follow the instructions given in
this Service booklet, even if you entrust
the vehicle to a third party for use or
care. Only in this way will you be able to
ensure that your warranty rights are not
affected.
We strongly recommend that you have
your vehicle serviced by your authorized
Mercedes-Benz Dealer which is fully
equipped to provide this service.
Please note that engines have to be serviced
in accordance with special instructions
and using special measuring equipment to
comply with legal requirements concerning
exhaust emissions. Modifications to or
tampering with emissions components is
not permissible. Your authorized Mercedes-
Benz Dealer is familiar with the relevant
regulations.
Parts/Operating materials
We recommend only the use of Genuine
Mercedes-Benz parts for service and repairs,
since they meet our specifications. It is also
important to only use fuels, lubricants and
anticorrosion/antifreeze coolant meeting
factory specifications. See your authorized
Mercedes-Benz Dealer for more information
on this subject.
Service records
Your authorized Mercedes-Benz Dealer
will certify in the Service Booklet the
maintenance services on your vehicle which
it has performed.
Other than the maintenance services
described, the Service Booklet does not
record or reflect any repair work that may
have been performed to your vehicle.
Please keep those receipts with your vehicle
records.
For information concerning warranty, see
your Service and Warranty Information
booklet.
Your authorized Mercedes-Benz Dealer will
gladly furnish additional information on the
maintenance of your vehicle.
Mercedes-Benz Canada Inc.
A Daimler Company
Introduction

10
Service Booklet
Emission System Maintenance
Gasoline Engines
The U.S. Environmental Protection Agency
and, in California, the Air Resources Board
have certified that the emission control
systems of your vehicle comply with the
applicable exhaust emission standards for
MY 2012 vehicles. This vehicle also complies
with the applicable Canadian Motor Vehicle
Emission Standards.
To be certain that the emission control
systems function as designed, regular
maintenance is necessary for components
of the vehicle which affect exhaust and
evaporative emissions composition.
The vehicle owner is responsible for the
regular maintenance of the emission control
system, as well as the use of premium
unleaded gasoline with an anti-knock index
of at least 91 (displayed on the pump) in all
gasoline engine models unless otherwise
specified.
Refer to your Warranty book and Operator’s
Manual for additional information.
Failure to properly maintain the emission
system may result in repairs not being
covered by the emission system warranties.
Explanations of each maintenance job are
given on (e page 14).
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Emission System Maintenance

11
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Emission Control System Caution -
Gasoline Engines
Your Mercedes-Benz vehicle is equipped
with both a three-way catalyst and a closed
loop oxygen sensor system to comply with
current exhaust emission regulations. Keep
your vehicle in proper operating condition
by following our recommended maintenance
instructions as outlined.
The following has to be adhered to:
a) In all gasoline engine models, use
only premium unleaded gasoline with
an anti-knock index of at least 91
(as displayed on the pump) unless
otherwise specified. Damage to the
engine could occur if premium unleaded
fuel is not used. Refer to the Operator’s
Manual for special precautions.
b) Leaded gasoline should not be used
under any circumstances. Damage to
the emission control components will
result.
c) In select models, the use of Ethanol
(E85) is also permissible. Models
capable of also operating with E85
are identified by a label on the fuel
filler flap reading ‘Premium gasoline
or E85 only!’. Do not use Ethanol fuel
(E85) to operate any vehicle unless it
is specifically identified as Ethanol fuel
(E85) compatible. Damage to the engine
could occur if improper fuels are used.
Refer to the Operator’s Manual for special
precaution.
d) The specified engine maintenance
jobs have to be performed completely
and at the required intervals. Correct
ignition timing and properly functioning
spark plugs for instance are important for
the service life of the catalysts.
Failure to properly perform the specified
maintenance jobs may adversely affect
the emission control system on the
vehicle and reduce its service life.
e) The operation of the emission control
system must not be altered in any
way. Alterations are not permissible by
law. In addition, alterations may result
in damage to the catalysts, increased
fuel consumption, and impaired engine
running conditions.
f) Irregular engine running conditions
should be corrected immediately by an
authorized Mercedes-Benz Dealer. Such
irregular running conditions can influence
the proper function of the emission
control system.
If the “CHECK ENGINE” indicator lamp in
the instrument cluster illuminates when the
engine is running, it indicates a possible
malfunction of the engine management
system or emission control system.
We recommend that you have the
malfunction checked as soon as possible.
Emission System Maintenance

12
Service Booklet
Emission Control System Caution -
Diesel Engines
Your Mercedes-Benz is equipped with
emission control devices to comply with
current diesel exhaust emission regulations
where the vehicle is certified for sale. Keep
your vehicle in proper operating condition
by following our recommended maintenance
instructions as outlined.
The following has to be adhered to:
a) Diesel engines require Ultra Low Sulfur
Diesel (ULSD) fuel (15 ppm Sulfur
maximum) that meets the ASTM D975
standard. Failure to use ULSD fuel can
severely damage the vehicle’s exhaust
after-treatment device.
b) Mercedes-Benz Canada Inc., approves
the use of B5 biodiesel (standard
diesel with a maximum of up to 5%
biodiesel content) in all Common
Rail Injection Diesel “CDI-engines”
including BlueTEC AdBlue® variants.
Diesel fuels containing a higher
percentage of biodiesel content, eg. B20,
as well as straight biodiesel may cause
damage to your engine/fuel system and
are not approved. Only use approved
biodiesel. Biodiesel can be refined from a
variety of raw materials resulting in widely
varying properties. Approved biodiesel
meets the ASTM D6751 specifications
and has the necessary oxidation stability
(min. 6h, proved with EN 14112 method)
to prevent damage to the system from
deposits and/or corrosion. The use of
non-approved biodiesel may damage the
fuel system.
Please ask your service station for further
information. If the B5 biodiesel blend is
not sufficiently labeled to clearly indicate
that it meets the above standards, please
do not use it. The Mercedes-Benz limited
warranty does not cover damage caused
by the use of fuels not meeting Mercedes-
Benz approved fuel standards.
c) The specified engine maintenance jobs
have to be performed completely and
at the required intervals.
d) The operation of the emission control
system must not be altered in any
way. Alterations are not permissible by
law. In addition, alterations may result
in damage to the catalysts, increased
fuel consumption, and impaired engine
running conditions.
If the “CHECK ENGINE” indicator lamp in
the instrument cluster illuminates when the
engine is running, it indicates a possible
malfunction of the engine management
system or emission control system.
We recommend that you have the
malfunction checked as soon as possible.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Emission System Maintenance

13
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Emission System Maintenance
BlueTEC exhaust gas aftertreatment
with AdBlue®
Models:
• E 350 BlueTEC
• S 350 BlueTEC
The BlueTEC exhaust gas aftertreatment
system required a reducing agent (AdBlue®)
in order to function properly. Maintaining
the level and condition of the AdBlue® agent
is part of the regular maintenance service
work. Under normal driving conditions one
tankful of AdBlue® agent should suffice until
the next maintenance service.
AdBlue® is a non-flammable, non-toxic,
colorless and odorless, water-soluble liquid.
!
Only use AdBlue® complying with ISO 22241.
Do not add special additives to AdBlue® and do
not dilute AdBlue® with water. Otherwise, the
BlueTEC exhaust gas aftertreatment system
could be damaged.

14
Service Booklet
Description of Emission System
Maintenance Jobs
The composition of exhaust emissions is
influenced not only by the special emission
control equipment, but also by various
engine components and their adjustments.
Therefore, emission system maintenance
must include these engine components.
Some maintenance jobs are actually only
tests. They are important however, because
they allow early detection of discrepancies
which can later lead to increased exhaust
emissions. It is generally less expensive to
have such items adjusted immediately rather
than allowing them to contribute to costly
repairs. The maintenance intervals have
been determined so that the vehicle, under
normal conditions, should operate properly
between services.
Engine oil and filter change
Change the engine oil and oil filter according
to the specifications outlined in this booklet
for your vehicle. If oil consumption should
increase, determine the cause and take
necessary corrective steps. Do not reset
the Maintenance System service indicator if
the oil is topped up or changed outside the
respective km interval or 1 year.
Replace engine air filter
Under normal dust conditions, replace
engine air filter according to the
specifications outlined in this booklet for
your vehicle. Clean engine air filter cover and
housing prior to removal of engine air filter.
Under severe dusty operating conditions the
engine air filter element must be replaced
more frequently.
Replace fuel filter
Replace the fuel filter according to the
specifications outlined in this booklet for
your vehicle.
Check engine poly-V-belt condition
The poly-V-belt is subject to wear and aging.
It must be checked for cracks and wear
at every Service 2. Replace poly-V-belt if
necessary.
Replace spark plugs
Spark plugs are subject to electrode erosion
and must be replaced according to the
specified maintenance intervals, or more
frequently as may be required when subject
to severe operating conditions.
Evacuate and full up AdBlue®
Fill up AdBlue® at every Service 1. Evacuate
and fill up AdBlue® at every Service 2.
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Description of Emission System Maintenance

15
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Required Vehicle Maintenance
Service Work (including Emission
System Maintenance)
Notes:
Maintenance services must be performed
at the number of KM or years (whichever
comes first) as indicated, except where no
time interval available or otherwise noted.
If your vehicle exceeds the KM shown in the
maintenance service overview, continue to
maintain the vehicle by having performed
the maintenance services at the time or KM
intervals (whichever comes first).
Detailed descriptions for each maintenance
service can be found starting on (e page
14).
For description of emission system
maintenance jobs, see (e page 10).
Maintenance Service Descriptions

16
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Maintenance Service Descriptions
C-Class
CL-Class
CLS-Class
E-Class
GLK-Class
S-Class
SLK-Class
At 3,000 KM
Rear axle differential fluid replaced (AMG Performance Package Vehicle Only) • • •
Service A/1 at 15,000 KM or 1 year; then every 30,000 KM or 2 years (Engines 152, 156, 157, 275, 642)
Service A/1 at 20,000 KM or 1 year; then every 40,000 KM or 2 years (Engines 271, 272, 276, 278)
Engine compartment
Check catch, safety catch and hinges on engine hood for proper operation • • • • • • •
Check main or starter battery condition using "Midtronics MCR" tester • • • • • • •
Clean water drain in air/water duct • • • • • • •
Fill up AdBlue® (Engine 642) • •
Check the following fluid levels, correct if necessary. If there is a loss of fluid, determine cause
and perform repair (with separate Work Order)
Brake system • • • • • • •
Main or starter battery, check and correct fluid level (if this type installed) • • • • • •
Windshield washer system • • • • • • •
Engine cooling system, antifreeze and corrosion protection • • • • • • •
Engine cooling system, antifreeze and corrosion protection
(Engine 275 main circuit) • •
Interior
Reset maintenance service indicator • • • • • • •
Night View Assist camera - clean windshield behind the camera cover
(where applicable) • •
Function check
Horn, warning indicator lamps, illumination and interior / exterior lighting,
high beam flasher, daytime running lights •••••••
Windshield wipers, windshield washer systems, headlamp cleaning system • • • • • • •

17
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Maintenance Service Descriptions
C-Class
CL-Class
CLS-Class
E-Class
GLK-Class
S-Class
SLK-Class
Service A/1 at 15,000 KM or 1 year; then every 30,000 KM or 2 years (Engines 152, 156, 157, 275, 642)
Service A/1 at 20,000 KM or 1 year; then every 40,000 KM or 2 years (Engines 271, 272, 276, 278)
Wheels, brakes
Inspect tires for damages and splits, measure tread depth and record in mm • • • • • • •
Check thickness of brake pads, front and rear • • • • • • •
Visually check brake system components, lines, hoses, calipers • • • • • • •
Correct tire inflation • • • • • • •
Trunk
Check trunk/cargo area lighting • • • • • • •
Check inflation pressure in spare tire • • • • • •
Check auxiliary battery condition using "Midtronics MCR 717" tester • •
Vehicle front
Check wiper blade condition • • • • • • •

18
Service Booklet
GWarning! Please make sure you read the technical documentation, such as the Operator’s Manual and
workshop information, before carrying out any maintenance work.
Maintenance Service Descriptions
C-Class
CL-Class
CLS-Class
E-Class
GLK-Class
S-Class
SLK-Class
Service B/2 at 30,000 KM or 2 years; then every 30,000 KM or 2 years (Engines 152, 156, 157, 275, 642)
Service B/2 at 40,000 KM or 2 years; then every 40,000 KM or 2 years (Engines 271, 272, 276, 278)
Engine compartment
Leakage - Major components
Check for chafe marks, line routing, damage components • • • • • • •
In the event of leakage, determine cause and perform repair (with separate Work Order)
Check catch, safety and hinges on engine hood for proper operation • • • • • • •
AdBlue® evacuate and fill up (Engine 642) • •
Check condition of poly-V-belt • • • • • • •
Check main or starter battery condition using "Midtronics MCR" tester • • • • • • •
Clean water drain in air/water duct • • • • • • •
Check the following fluid levels, correct if necessary. If there is a loss of fluid, determine cause
and perform repair (with separate Work Order)
Brake system • • • • • • •
Main or starter battery, check and correct fluid level (if this type installed) • • • • • •
Power steering • • • • • •
Windshield washer system • • • • • • •
Engine cooling system, antifreeze and corrosion protection • • • • • • •
Engine cooling system, antifreeze and corrosion protection
(Engine 275 main circuit) • •
Drain fuel filter (Engine 642) • •
Active Body Control (where applicable) • •