Mercedes-Benz GLK-Class, GLK 350 4MATIC, GLK 350, 204 Service Manual

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Introduction of the New GLK-Class
(USA)

Introduction into Service Manual for Model Series 204

Introduction of the New GLK-Class (USA) Introduction into Service Manual for Model Series 204

Daimler AG · Technical Information and Workshop Equipment (GSP/OI) · D-70546 Stuttgart

Mercedes-Benz Service

Introduction of the New GLK-Class (USA)

Introduction into Service Manual

for Model Series 204

Information and Copyright

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© 2008 by Daimler AG

This document, including all its par

t

s, is protected by copyright.
Any further processing or use requires the previous written consent of
Daimler AG

, Department GSP / OIS, HPC R822, W002, D-70546 Stuttgart.
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s and online services.

Image no. of title image: P00.00-4396-00
Order no. of this publication: 6516 1366 13

10 / 2008

3

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

v

Contents

Preface 7

Overview

Models and major assemblies 8

Brief description 9

Equipment 11

Overall vehicle

Exterior 22

Interior 25

Exterior lights 32

Safety 36

Dimensions 41

Technical data 44

Benefits of maintenance strategy

Motivation/new features 46

Maintenance strategy 47

Engine

Engine data 48

Contents

4

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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4MATIC

All-wheel drive concept 50

Frame-type integral support 51

Front drivetrain 52

Transfer case 53

Torque distribution 54

Planetary gear differential 55

Multidisk clutch 57

Side output 59

Oil supply 61

Front axle transmission 63

Front axle shafts and engine oil pan 64

Technical data 66

Rear wheel drive 67

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Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Contents

Chassis

Steering 68

Axles 69

Suspension 71

Exterior sport package 72

Brake system 73

Body

Networking 76

Battery 80

Rear entertainment 81

Inside rearview mirror 82

TELEAID 84

Reversing camera 85

Climate control 86

Sliding roof 88

Doors 89

Load compartment 91

Load compartment variants 92

Trailer hitch 94

Bodywork 95

Contents

6

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Special tools

Overall vehicle 102

Transmission 103

Front axle transmission 104

Workshop equipment 105

List of abbreviations 106

Index 108

7

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Preface

Dear Reader,

This Introduction into Service Manual presents the
new GLK-Class in model series 204 for the US market.

The purpose of this manu

al is to inform you of the

t

e

chnical highlights featured in this new vehicle in

advance of its market launch.

This brochure is mainly intended to provide informa­tion for people employed in service, maintenance and
repair as well as for aftersales sta

ff. It is assumed here
that the reader is already familiar with the
Mercedes-Benz model series currently on the market.

In terms of the contents, the emphasis in this Intro­duction into Service manual is on presenting the new
and m

o

dified systems.

This Introduction into Service Manual is not intended
as

an

aid for repairs or for the diagnosis of technical
problems. For such needs, more extensive information
is available in the Diagnosis Assistance System (DAS)
and in the Workshop Information System (WIS).

WIS is updated monthly. Therefore, the information
available there reflects the latest technical s

tatus of

our vehicles.

The Introduction into Service Manual presents initial
informa

tion relating to the GLK-Class in model series
204 and, as such, is not stored in WIS. The contents of
this brochure are not updated. No provision is made
for supplements.

We will publicize modifications and new features in the
relevant WIS documen

ts. The information presented in
this Introduction into Service Manual may therefore
differ from the more up-to-date information found in
WIS.

All of the information relating to specifications, equip­ment and options are valid as of the publication dead­line in October 2008 and may therefore differ from the
c

urrent production configuration.

Daimler AG

Technical Information and Workshop Equipment
(GSP / OI)

8

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

v

Models and major assemblies

Sales designation Model Engine 7-speed automatic

transmission

Launch

GLK 350 4MATIC 204.987 272.971 722.960 01 / 09

GLK 350 204.956 272.991 722.906 04 / 09

Mercedes-Benz GLK-Class

Overview

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Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Brief description

Vehicle concept

The market launch of the new GLK-Class will take
place in January 2009. This vehicle has no prede­cessor. It is the entry-level variant of the model range.

With the GLK, Mercedes-Benz is offering a cross­country vehicle in the compact SUV

segment

for the

first time.

With its striking design, the GLK clearly distinguishes
itself

from the pack of compact SUVs on the market.
Particular emphasis was also placed on the haptics
and visual appearance of the interior when imple­menting the design. The new GLK has a dramatic,
expressive image

with plenty of style and indepen-

dence.

The GLK is equipped with the exterior sport package,
which underscores the character

istics of the vehicle in

a sporty manner.

Technical highlights

•4MATIC

• AGILITY CONTROL suspension with selective
damping system

•ADAPTIVE BRAKE

•Trailer hitch

•ESP

®

trailer stabilization

• Weight Sensing System

•EASY-PACK liftgate

• Reversing camera

• Integrated compass in inside rearview mirror

• Rear entertainment

• NECK-PRO head restraints

• PRE-SAFE

®

system, occupant protection system

GLK with exterior sport package

10

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Brief description

Dimensional concept

The dimensional concept of the new GLK-Class is signifi­cantly different to that of the M-Class in several respects.

Dimensions Unit GLK-Class M-Class Difference

Vehicle length
(with license plate adapter)

mm 4,528 4,788 - 260

Vehicle width
(with outside mirrors folded out)

mm 2,016 2,124 - 108

Vehicle height
(including roof railing)

mm 1,698 1,815 - 117

Dimensions in comparison

The GLK-Class with exterior sport package

Overview

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Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

GLK 350 GLK 350 4MATIC

Equipment lines / variants

Exterior sport package Standard

Offroad styling U 89

Chrome package Standard

Aluminum trim Code 739

"Burred walnut" wooden trim Standard

Black inner headliner Code U14

Leather upholstery Code 200A

"Artico" imitation leather upholstery Standard

Leather-trim steering wheel and selector
lever

Standard

12

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Brakes, drivetrain

7-speed automatic transmission Standard

Cruise control including SPEEDTRONIC Standard

Hill Start Assist Standard

ADAPTIVE BRAKE Standard

Vehicle dynamics control systems ESP®,
ASR with ABS, BAS

Standard

Adaptive brake lights Standard

Brake wear indicator Standard

Suspension

Front axle: 3-link axle Standard

Rear axle: Independent multilink
suspension

Standard

AGILITY CONTROL suspension with
selective damping system

Standard

GLK 350 GLK 350 4MATIC

Overview

13

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Steering

Speed-sensitive power steering Standard

Electric steering lock (ELV) Standard

Comfort multifunction steering wheel Standard

Manual longitudinal and vertical steering
column adjustment

Standard

Wheels / tires

Collapsible spare wheel Standard

Tire pressure monitor (TPM) Standard

Safety and anti-theft protection

Two-stage front airbags Standard

Front side airbag (left and right) Standard

Window airbag Standard

Knee airbag (driver) Standard

Pelvis airbag (driver and front passenger) Standard

Anti-theft alarm system (ATA) Standard

GLK 350 GLK 350 4MATIC

14

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Radio remote control with panic switch Standard

Front NECK-PRO head restraints Standard

3 head restraints in rear Standard

3-point seat belts with belt force limiter
for driver and front passenger

Standard

Automatic dimming inside rearview and
outside mirror, fold-in outside mirrors
(in combination with code 232 and 245)

Code 249

Manually dimming inside rearview mirror Standard

Weight Sensing System Standard

ISOFIX child seat attachment in rear Standard

Climate control

THERMATIC 2-zone automatic
air conditioning

Standard

GLK 350 GLK 350 4MATIC

Overview

15

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Light systems

Bi-xenon headlamps with Intelligent
Light System

Code 622

Front fog lamps Standard

Center high-mounted stop lamp Standard

Daytime running lamps Standard

Auto on / off driving lights with light
sensor

Standard

Headlamp range adjustment Standard

Interior light package Code 876

Comfort systems

PARKTRONIC Code 220

Fully electric seat adjustment with
manual lumbar support without memory
for driver and front passenger

Fully electric seat adjustment with
memory package and electric lumbar
support

Standard

Code 275 + 242

Smoker package with cigarette lighter
and ashtray

Standard

Rain sensor Code 345

GLK 350 GLK 350 4MATIC

16

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Electric panoramic sliding sunroof Code 413

Steering wheel shift paddles (in combi­nation with 7-speed automatic transmis­sion)

Code 428

(component of code P95)

Comfort multifunction steering wheel
with 4.5-inch display in the instrument
cluster

Standard

Headlamp cleaning system Code 600

Trailer hitch Code 550

Privacy glazing Standard

Heated seats for driver and front
passenger seat

Code 873

Heated windshield washer system Code 875

Compass in inside rearview mirror
(in combination with code 232 and 249)

Code 245

Reversing camera Code 218

Garage door opener
(in combination with code 245 and 249)

Code 232

Pile floor mats Standard

Partition net Code U40

GLK 350 GLK 350 4MATIC

Overview

17

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Stowage compartments under both front
seats (in combination with code 275)

Code 932

2 open cup holders in center console
between front seats

Standard

Rear bench seat (1 / 3 – 2 / 3 split)
with three-point seat belts

Standard

Folding rear armrest,
dual cup holder and stowage
compartment

Standard

2 anchoring lugs at bottom of D-pillar
trim and 4 anchoring lugs in load
compartment floor

Standard

4 attachment lugs in headliner Standard

1 hook in left side wall Standard

2 coat hooks in liftgate Standard

2 bag hooks for tensioning straps at
bottom of D-pillar trim

Standard

EASY-PACK liftgate Code 890

4 x 12 V power outlets: in stowage
compartment in front of selector lever, in
glove box, at end of center tunnel and in
load compartment (in combination with
code 301 and 864)

Standard

GLK 350 GLK 350 4MATIC

18

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

1 x 115 V socket in load compartment U80

Stowage compartment
(in front of selector lever)

Standard

Left and right electrically adjustable and
heated outside mirrors

Standard

Power windows (with convenience
feature and anti-pinch protection)

Standard

Sun visors with illuminated vanity
mirrors

Standard

Omission of vehicle model designation
on liftgate

Code 260

Roof railing, black Standard

GLK 350 GLK 350 4MATIC

Overview

19

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Telephone, audio and communications systems

Audio 20 Standard

Audio 20 with CD changer Code 510

Audio 55 and APS with DVD changer
(with LINGUATRONIC)

Code 511

Audio 50 APS Code 525

Surround sound system with active bass
box

Code 810

COMAND APS
(with LINGUATRONIC)

Code 527

COMAND APS with DVD changer
(with LINGUATRONIC)

Code 512

Satellite Digital Audio Radio Services
(SDARS)

Code 536

Media interface Code 518

GLK 350 GLK 350 4MATIC

20

Overview

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

v

Equipment

Rear entertainment system with
2 screens incl. 2 remote controls

Code 864

Rear entertainment preinstallation Code 866

Mobile phone preinstallation (Bluetooth
incl. microphone) with universal inter­face, hands-free system incl. wiring and
antenna (comfort telephony)

Code 386

Telematic Alarm Identification on
Demand (TELEAID)

Code 359

AM / FM antenna integrated in rear
spoiler

Standard

GLK 350 GLK 350 4MATIC

Overview

21

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Equipment

Designation Tires

front

and

rear

Light alloy disk wheel

front

and

rear

Tires and light alloy disk wheels

Code R24 235 / 60 R17 7.5J x 17 ET 47.5

Code R26 235 / 50 R19 7.5J x 19 ET 47

Code R33 235 / 45 R20 8.5J x 20 ET 45

Code R42 235 / 45 R20 8.5J x 20 ET 45

Spare tire

Collapsible spare wheel 185 / 75 R17

Exterior

22

Overall vehicle

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Front view

The following characteristics dominate the appear­ance of the new GLK at the front:

• Steep front section

• Wide, distinctive radiator gril

le wi

th large,

prominent Mercedes star

• Clearly noticeable air intake grille in a matt black
diamond-pattern design

• Projection headlamps which continue into the
fenders to provide a smooth transition between the
front and the

side of the vehicle.

• Split turn signal lamps in the outside mirrors. These
are being

introduced in all model series as a new

design feature of the Mercedes-Benz brand.

The powerful radiator grille is a striking design feature
of the

front of the GLK and clearly indicates that this
vehicle belongs to the model family of Mercedes-Benz
cross-country vehicles.

Along with the location of the projection headlamps,
the posi

tion of the front fog lamps close to the outside

edges also underlines the width of the vehicle.

The exterior sport package includes a radiator grille
with three chrome slats which give the

front section a

sporty appearance.

Front view

Overall vehicle

23

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Exterior

Rear view

The belt lines on the sides of the vehicle rise up
towards the rear end where they continue over the
rear lamps and the rear bumper towards the lower
trailing edge.

The bichromatic rear lamps are another unifying style
element of the vehicle.

Their prominent shape and red­white-red design again accentuate the wide appear­ance of the GLK-Class.

The twin-pipe exhaust system rounds off the GLK
energe

tically. With the exterior sport package and
chrome package, the exhaust system is equipped with
two chrome-plated exhaust tips in a rectangular
design.

Rear view

Exterior

24

Overall vehicle

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Side view

The silhouette of the GLK is characterized by the
classic elements of a cross-country vehicle: short
overhangs, a straight front section, a steep windshield
and a tight roof line, here combined with a dynamic
roof spoiler.

The height of the vehicle is significantly greater than
that of a standard sedan. This gives the driver a good
all-round view. The panels

on

the window frames of
the doors are painted in high-gloss black and blend
into the two large vehicle side windows. This makes
the privacy glass appear to be one large surface,
which in turn makes the GLK appear longer.

With the exterior sport package, the design is accen­tuated by striking rocker panels in the vehicle color.

Depending on the equipment installed, the lar

g

e wheel
arches can accommodate up to 20-inch wheels.
Special light alloy disk wheels underscore and high­light the sporty appearance of the GLK-Class.

Side view

Overall vehicle

25

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Interior

Interior design

A lot of attention has been paid to ensuring that the
interior compartment of the new GLK-Class is roomy
and comfortable. Only high quality materials have
been used and these materials emphasize the
spacious feeling within the vehicle.

The interior equipment can be individually upgraded
with a comprehensive r

a

nge of special equipment

options. The available special equipment includes:

•Interior sport package

•Interior light package

• Rear entertainment system with two screens

The combination of high quality materials gives the
i

nteri

or compartment a modern design featuring
chrome inserts and finely painted or anodized
surfaces. The equipment features also nicely comple­ment the ergonomically positioned center console.

Interior design

Interior

26

Overall vehicle

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Instrument panel

The body of the instrument panel has a single-piece
design with an integrated glove box module and large
trim surfaces. It is vertically arranged into three
distinct areas:

• The upper section of the instrument panel is in
black to avoid any reflections in the windshield.

•

The trim design which has been selected for the
vehicle characterizes the

central area of the
instrument panel. The integrated vents have a slat­type design. On vehicles with the interior sport
package, the control wheels of the vents are
illuminated.

• The lower section of the instrument panel is either
black, grey or beige depending on the equipment
package.

Instrument panel with comfort multifunction steering wheel and steering wheel shift paddles

Overall vehicle

27

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Interior

Instrument cluster

The GLK-Class is equipped with the "Midline" instru­ment cluster with an integrated 4.5-inch multifunction
display (MFD). It is operated via the

12 buttons
located on the right and left of the comfort multifunc­tion steering wheel. On the mult

ifunction display, a
segment ring is used for the variable speed limiter and
cruise control functions. Along with the multifunction
display, the central display element also includes the
large speedometer.

Two other dial-type gauges for

rpm, tank content

and
coolant temperature are also integrated in instrument
cluster.

The other signal lamps and indicator lamps are located
o

n the left and ri

ght-hand sides of the instrument

cluster.

"Midline" instrument cluster in combination with comfort multifunction steering wheel

Interior

28

Overall vehicle

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Center console

An important component of the center console is the
new central control for the infotainment systems.
The 4.9-inch or 7-inch TFT central color display

1

(COMAND APS) has been positioned within the

field of
view of the driver for ergonomic reasons. The system
can be operated using the buttons of the comfort
multifunction steering wheel as well as with the
central control on the center console.

The center console comprises the following compo­nents from top to bottom:

• Display (part of instrument panel)

• Air vents (part of instrument panel)

•Radio control

• Upper control panel

•AC operating unit

•COMAND controller

1

Depending on equipment

Center console

Overall vehicle

29

Introduction of the New GLK-Class (USA), Introduction into Service Manual for Model Series 204

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Interior

Seats

The seats in the GLK-Class incorporate the latest
anatomical findings. The new fluting style of the seat
cushions and backrest surfaces provides a very high
level of seating comfort. The GLK is additionally
equipped with a steering column adjustment function to
ensure that the driver is seated in an optimal position.

The backrests of the rear bench seat can be folded
down asymmetrically in a 1 / 3:2 / 3 split. A folding
armrest at the center of the rear seats with two

cup
holders and a stowage compartment is also a stan­dard feature of the GLK.

Special equipment

Fully electric seat adjustment with a memory function
is available for the driver and front passenger seat as
special equipment. The system also allows the
following adjustments to be performed electrically:

• Head restraint adjustment

• Steering column adjustment

• Outside mirror adjustment

• Storage of seat position using memory buttons in
door control panel

Fully electric seat adjustment with memory function
can

be order

ed separately for the driver and front

passenger.

Seats