
th
e brake fluid. If the boiling point is too lo w,
va pour poc kets may form inthe brake sys‐
te m when the brakes are applied hard.
This impairs the braking ef fect. #
Have the brake fluid rene we d at the
specified inter vals. Ha
ve the brake fluid regularly changed at a quali‐
fi ed specialist workshop.
Only use brake fluid appr ovedby Mercedes-Benz
according toMB-F reigabe or MB-Appr oval 33 1.0.
Fu rther information on brake fluid:
R Inthe Mercedes-Benz Specifications for
Operating Fluids at http://be vo.mercedes-
benz.com
R Ataqu alified specialist workshop Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(→ page 433). &
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. #
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. #
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction. Fu
rther information on coolant:
R Inthe Mercedes-Benz Specifications for
Operating Fluids 310.1, e.g. online at
http://be vo.mercedes-benz.com.
R Ataqu alified specialist workshop. *
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use an appropriate coolant. Ha
ve the coolant regularly changed at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/ antifreeze
concentrate in the engine cooling sy stem should
be:
R A minimum of 50% (antifreeze pr otection
down toappr oximately -37 °C). 440
Tech nical da ta 

Instrument display (standard)
Instrument display in
the widescreen cockpit Prog
ressive setting (widescreen cockpit) If
yo u select the progressive display setting in
ve hicles with a widescreen cockpit, the position
of the indicator lamps in the instrument display
ch anges.
Wa rning and indicator lamps:
L Dipped beam (→
page131)
T St
anding lights (→ page131)
K Main beam (→
page133)
#! Tu
rn signal light (→ page133)
R Re
ar fog light (→ page131) ü
Seat belt is not
fastened
(→ page 509)
J Brakes (red) (→
page 503)
! ABS malfunction (→
page 503)
÷ ESP®
(→ page 503)
å ESP®
OFF (→ page 503)
! Elect
ric pa rking brake(→ page 503)
Ð St
eering assis tance malfunction
(→ page 511)
# Electrical
fault (→ page513)
6 Re
stra int sy stem (→ page 503)
; Engine diagnosis (→
page513)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (→ page513)
? Coolan
tto o hot/cold (→ page513)
· Dis
tance warning (→ page510)
% Preglow
h Ty
re pressure monitoring sy stem
(→ page 516)
j Tr
ailer hit chis not operational or is
swivelling (→ page511) 502
Displaymessa ges and warning/indicator lamps 

Selecting pa
rkposition ........................ 172
Shifting toneutral ................................ 172
St eering wheel gearshift paddles ........ .173
Tr ansmission position display .............. 171
Tr ansmission positions ........................ 171
Au tomatic transmission
see Selector le ver
Axle load Perm issible .......................................... 431
Tr ailer operation .................................. 443B
Bag hook ................................................... 11 8
Ball ne ck
Extending/r etra cting ........................... 24 8
BA S (Brake Assist Sy stem) .................... .189
Battery Key ........................................................ 66
Re mo tecontrol (s tationary heater) ...... 157
Battery (vehicle) Charging .............................................. 398
Notes .................................................. 396
St arting assis tance .............................. 398 Battery (vehicle)
see Vehicle battery
Belt .............................................................32
Bic ycle rack
Tr ailer operation .................................. 251
Blind Spot Assist .................................... .242
Ac tivating/deactivating ...................... .244
Fu nction/no tes ................................... 24 2
Sy stem limits ....................................... 24 2
Blind Spot Assi st
see Active Blind Spot Assi st
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Ac tivating/deactivating ...................... .288
Setting up an Internet connection ....... 340
Settings ............................................... 287
Switching profile (DUN/PAN) .............. 342
Blue tooth ®
Au dio
Ac tivating ............................................ 359 De-authorising (de-regis
tering) the
device .................................................. 359
Information .......................................... 356
Overview .............................................3 57
Sea rching for and auth orisingthe
device .................................................. 358
Switching device via NFC .................... 359
Boot lid see Tailgate
Boot load .................................................. 442
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid Notes .................................................. 439
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 3
Brakes ABS (Anti-lo ckBraking Sy stem) ........... 189
Ad aptive brake lights .......................... .199
BA S (Brake Assi stSystem) .................. 189
Driving tips .......................................... 16 4
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 3 Index
521 

HOLD function ....................................
.212
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 16 4
New/replaced brake linings/brake
discs .................................................... 16 4
Ru nning-in no tes ..................................1 64
Brakes see Active Brake Assi st
Braking assistance see BAS (Brake Assi stSystem)
Breakdown ............................................... 390
Assis tance overview .............................. 18
To w- starting ........................................ 405
To wing away ........................................ 401
Tr ansporting theve hicle ......................4 03
Wheel change ...................................... 422
Breakdown assistance call see Service call
Breakdown management see Service call
Bu rm ester ®
sur round sound sy stem .....3 70
Ad justing the balance/fader ................3 71
Ad justing the sound focus ................... 371
Ad justing treble, mid and bass ............ 371Calling up
the sound menu .................. 370
Information .......................................... 370
Switching the sur round sound on/off
............................................................ .371
Buttons Steering wheel .................................... 255 C
CA module (TV) ........................................ 370
Calling up a menu ................................ 370
Inserting .............................................. 369
Call list Making a call ....................................... 324
Options in the call list .......................... 324
Overview ............................................. 324
Calling up the sound menu
Burmes ter®
sur round sound sy stem ... 370
Calls .......................................................... 321
Ac cepting ............................................ 321
Ac tivating functions du ring a call ......... 321
Calls wi thseveral participants ............ .321
Declining ............................................. 321
Ending a call ....................................... .321
Incoming call during an existing call .... 322 Making ................................................
.321
Vi ath eove rhead control panel
(Mercedes me connect) ....................... 327
Camera see 360° Camera
see Reversing camera
Car wash
see Care
Car wash (care) ....................................... 380
Care ..........................................................3 85
AIRPANEL ............................................ 383
Car wash ............................................. 380
Carpet .................................................3 85
Displ ay................................................ 385
Exterior lighting ................................... 383
Genuine wood/trim elements .............3 85
High-p ressure cleaner .........................3 80
Matt finish ........................................... 382
Pa int .................................................... 382
Plastic trim .......................................... 385
Re versing camera/360° Camera ........ 383
Ro of lining ...........................................3 85
Seat belt .............................................. 385
Seat co ver ........................................... 385 522
Index