2020 MERCEDES-BENZ GTR PRO ABS

Symbols
........................................................ 3 Gener
alno tes... ............................................ 4
Oper ator's Manual ......... .................. ............... 4
Oper ating safety.............................................4
Qua lified speci alistwo rkshop .........................5
Cor rect useof theve hicle ...............................5
Limit edWarrant y............................................ 6 Coil-o
versus pen sion ............ ........................ 7
No teson thecoil-o versusp ension .................. 7
Ad jus ting theshoc kabsorber s... .................... 7
No teson adjus tingthewheel load................1 0
No teson adjus tingtheanti- rollch arac‐
te rist ics ........................ .................................1 0 Cleani
ngand care.... ................................... 11
No teson washing theve hicle inacar
wa sh ...... .......................................................1 1 Inde
x............................................................ 12 2
Contents

If
yo umod ifytheon- boar delectr onics,th ege n‐
er al op erati ng perm itis rende redinva lid.
* NO
TEDama getotheve hicle In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad
R The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
ch assis components
In situatio nssuc has this, thebody ,th e
und erbody ,ch assis components,wheels or
tir es coul dbe damag edwithout thedamag e
being visible. Componen tsdamag edinthis
wa ycan unexpec tedly failor ,in thecase of
an acciden t,ma yno tabsorb theloads that
ar ise asintend ed.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and th
eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tson theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat elyin accor dance
wit hth etraf fic condi tions,and cont act
a qu alif ied spec ialistwo rkshop. Qualif
iedspecialis two rkshop
An author ized Mercedes-B enzCent erisaqu ali‐
fi ed specialis two rkshop. Ithas theneces sary
special skills,tools and qualif icat ionsto cor‐
re ctly carryout thewo rkrequ ired on your vehi‐
cle. This particular lyapplies tosaf ety-re leva nt
wo rks. Fo
rth efo llo wing, alwaysha ve your vehicle
ch eckedat an aut hor ized Mercedes- BenzCen‐
te r:
R safety-re leva nt wo rks
R service andmaint enance work
R repair work
R modif ications aswellas installation sand
con versions
R workon electr oniccomponent s
Mer cedes‑A MGrecomme ndsaMercedes‑Be nz
ser vice center. Co
rrect use oftheve hicl e
If yo ure mo veanywa rning sticke rs,yo uor other s
could failto recogni zecer tain dang ers. Lea ve
wa rning sticke rs inposit ion.
Obser vethefo llo wing informatio nin par ticular
when drivin gyo ur vehicle:
R The safetyno tesin this manual andtheve hi‐
cle Oper ator's Manual
R Tech nica lda ta forth eve hicle Gener
alno tes 5

No
teson thecoil-o versus pen sion
% Thissu pp lement replaces the"AMG adaptive
spor tsuspension system" topic intheve hi‐
cle Oper ator's Manual.
The vehicle iseq uipped withacoil-o versusp en‐
sion specia llydeveloped byAMG .
The basic fa ct or yse tting ofthesuspension pro‐
vides awe ll-balan cedcom promise between ride
comf ortand perform anc ein race trac kmod eand
ha sbee nop timi zed forth eNü rburgr ingnorth
loop race trac k.
Yo ucan adjustth ecoil-o versusp ension foruse
on thera ce trac kto suit your requ iremen tsor to
th ecor responding trac kpr ofile.
Yo ucan carryout thefo llo wing settings tothe
shoc kabsorber ssepar ately forth efront orrear
axle yourself :
R Rebound phase(/page8)
R Low-speed compression phase
(/ page9)
R High-speed compression phase
(/ page9) Yo
ucan also have thefo llo wing settings carried
out ataqu alif ied spec ialistwo rkshop:
R Wheel load(/page10 )
R Anti-r ollch aract eristic s(/ page10 ) Ad
jus tingthe shockabso rbers No
teson adjusting theshoc kabsor bers The
shoc kabsor bersar eadjus tedby turning the
cor responding controller ininc rements ofone
clic k. Dir
ect ion Effect
Coun ter-
cloc kwise R
Softerse tting
R Less contr olove rth ebody
R Great erride comf ort
Cloc kwise R
Har der setting
R Great ercon trol ove rth e
body
R Less grip, dependin gon
th etra ck condi tions %
Only thebasic setting oftheshoc kabsorb‐
er sma ybe used when driving onnor mal
ro ads (/page7). Amodi fied setting may
onl ybe used when youar eno tdr ivin gon
public roads. &
WARNIN GRisk ofan acci dent dueto
modif iedshoc kabso rbersse ttings
Cha nging theshoc kabsorber settings
ch ang esthehandling charact eristic s. #
Adjus tth eshoc kabsorber sin small
incr ement s. #
Alw aysadjus tth elef tand right shoc k
absorber sso that they have ident ical
va lues. #
Test themodif ieddriving charact eristic s
and vehicle react ionsat are duced vehi‐
cle speed. Re
stor ing thebasic setting #
Turn there spectiv econt roller cloc kwise to
th estop and then turnit count er-cloc kwise
to thebasic setting. Coil-o
versusp ension 7

Basi
cse tting ofthefront axle:
R Rebound phase: 6clic ksopen
R Low-speed compression phase: 6clic ksopen
R High-speed compression phase: 6clic ks
open
Basic setting ofthere ar axle :
R Rebound phase: 6clic ksopen
R Low-speed compression phase: 8clic ksopen
R High-speed compression phase: 8clic ks
open
% The number ofopen clicksdescr ibesthe
num berof notches counter-clo ckwise from
th estop. Ad
jus tingthe rebound phase Ad
jus ting there bound phasechang esthe
re bound charact eristic sof theshoc kabsorber s.*
NO
TEDama getotheshoc kabsorber s
when adjustingthere bound phase #
Donotexc eed thespecif iedadjus tment
ra ng e. Ad
jus tment rang eon thefront and rear axle
shoc kabsor bers:
R Rebound phase: 1-16 click s Fr
ont axle #
Turn contr oller 1 inthedesir eddirect ion. 8
Coil-oversusp ension

Re
ar axle #
Turn contr oller 1 inthedesir eddirect ion. Ad
jus tingthe comp ression phase Ad
jus ting thecom pression phasechang esthe
com press ion charact eristic sof theshoc k
absorber s. Lo
w-speed compression phase:
R slowcom pression speed
R modif ieddam perresponse
High-speed compression phase:
R fast com press ion speed
R mod ifie d ha ndli ngcharact eristic swhen
cr oss ing large obs tacle s,su ch ascur bs
* NO
TEDama getotheshoc kabsorber s
when adjustingthecom pression phase #
Donotexc eed thespecif iedadjus tment
ra ng e. Ad
jus tment rang eon thefront and rear axle
shoc kabsor bers:
R Low-speed compression phase: 1-12 click s
R High -spee dcom pressi onpha se:1-15 click s #
Tosetth elo w- speed compression phase:
tur ncont roller 2inthedesir eddirect ion. #
Tosetth ehigh -speed com pression
ph ase: turncon troller 1inthedesir ed
dir ect ion. Coil-o
versusp ension 9

A
Ad jus tingthe anti -rol lch aract eristics .....10
Ad jus tingthe comp ression phase.............9
Ad jus tingthe rebound phase..................... 8
Ad jus tingthe wheello ad .......... ................10
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop C
Car wash (car e)......... ................................. 11
Car e
Au tomatic carwash ...............................1 1
Coil-o versus pen sion ............ ....................... 7
Ad jus ting theanti- rollch aract eristic s.... 10
Ad jus ting thecom pression phase ............ 9
Ad jus ting there bound phase ...................8
Ad jus ting thewheel load....................... 10
No tes .......................................................7
Re stor ing thebasic setting (com‐
pr ession phaseandrebound phase) ........ 7 D
Dam pers
see Shoc kabsorber s
Dealer ship
see Qualif iedspecialis two rkshop F
Fa ctor yse tting
see Restor ing thebasic setting H
High-sp eed
see Adjus ting thecom pression phase L
Limit edWa rranty
Ve hicle ............................................. ........ 6
Lo w-speed
see Adjus ting thecom pression phase O
Oper ating safety
Inf ormation ..................................... .........4 Oper
ator's Manua l
Ve hicle equipment ................................... 4 Q
Qualif iedspecialis two rkshop .................... 5 R
Re stor ing thebasic setting ........................ 7
Com pressio nphase .................................7
Re bound phase ........................................ 7 S
Ser vice center
see Qualif iedspecialis two rkshop
Shoc kabsorber s......................................... 7
Ad jus ting thecom pression phase ............ 9
Ad jus ting there bound phase ...................8
No tes .......................................................7
Re stor ing thebasic setting ......................7
Specialis two rkshop .................................... 5
Suspension see Coil-o versusp ension 12
Index