radio MERCEDES-BENZ SL CLASS 2019 Owner's Manual

Additional tire pressure values for differentloads can also be found on the tire pressuretable on the inside of the fuel filler flap(Ypage 296).
XMake sure that the tire pressure is correcton all four wheels.
XEnsure that the SmartKey is in positionHin the ignition lock.
XPress theYorebutton on the steer-ing wheel to select theServ.Serv.menu.
XPress thecordbutton to selectTire PressureTire Pressure.
XPressv.The multifunction display shows the currenttire pressure for the individual tires or theTire pressure will be displayedTire pressure will be displayedafter driving a few minutesafter driving a few minutesmessage.
XPress thedbutton.TheUse Current Pressures as NewUse Current Pressures as NewReference ValuesReference Valuesmessage appears in themultifunction display.
If you wish to confirm the restart:
XPressv.TheTire Press. Monitor RestartedTire Press. Monitor Restartedmessage appears in the multifunction dis-play.
After driving for a few minutes, the systemchecks whether the current tire pressuresare within the specified range. The new tirepressures are then accepted as referencevalues and monitored.
If you wish to cancel the restart:
XPress8.The tire pressure values stored at the lastrestart will continue to be monitored.
Radio type approval for the tire pres-
sure monitor
CountryRadio type approval number
USAFCC ID: MRXMW2433A
FCCIC ID:MRXGG4 This devicecomplies with part 15 of theFCC rules and with licenseexempt RSS standards of Indus-try Canada. Operation is subjectto the following conditions. (1)This device may not causeharmful interference, and (2)This device must accept anyinterference received, includinginterference that may causeundesired operation. Le presentappareil est conforme d'indus-trie Canada applicables auxappareils radio exempts delicence. L'exploitation estauthorisee aux deux conditionssuivantes. (1) L'appareil ne doitpas produire de brouillage, et(2) L'autisatuer de l'appareildoit accepter tout brouillageradioelectrique subi, meme si lebrouillage est susceptible d'encompromettre le fonctionne-ment. WARNING: Changes ormodifications not expresslyapproved by the party responsi-ble for compliance could voidthe user's authority to operatethe equipment. The term "IC:"before the radio certificationnumber only signifies Canadatechnical specifications weremet.
FCC ID:MRXMC34MA4 Thisdevice complies with part 15 ofthe FCC rules and with licenseexempt RSS standards of Indus-try Canada. Operation is subjectto the following conditions. (1)This device may not causeharmful interference, and (2)This device must accept anyinterference received, includinginterference that may causeundesired operation. Le presentappareil est conforme d'indus-trie Canada applicables auxappareils radio exempts de
302Tire pressure
Wheels and tires

CountryRadio type approval number
licence. L'exploitation estauthorisee aux deux conditionssuivantes. (1) L'appareil ne doitpas produire de brouillage, et(2) L'autisatuer de l'appareildoit accepter tout brouillageradioelectrique subi, meme si lebrouillage est susceptible d'encompromettre le fonctionne-ment. WARNING: Changes ormodifications not expresslyapproved by the party responsi-ble for compliance could voidthe user's authority to operatethe equipment. The term "IC:"before the radio certificationnumber only signifies Canadatechnical specifications weremet.
CanadaIC: 2546A-MW2433A
IC:2546A-GG4 This device com-plies with part 15 of the FCCrules and with license exemptRSS standards of Industry Can-ada. Operation is subject to thefollowing conditions. (1) Thisdevice may not cause harmfulinterference, and (2) This devicemust accept any interferencereceived, including interferencethat may cause undesired oper-ation. Le present appareil estconforme d'industrie Canadaapplicables aux appareils radioexempts de licence. L'exploita-tion est authorisee aux deuxconditions suivantes. (1) L'ap-pareil ne doit pas produire debrouillage, et (2) L'autisatuer del'appareil doit accepter toutbrouillage radioelectrique subi,meme si le brouillage est sus-ceptible d'en compromettre lefonctionnement. WARNING:Changes or modifications notexpressly approved by the partyresponsible for compliancecould void the user's authorityto operate the equipment. Theterm "IC:" before the radio cer-tification number only signifiesCanada technical specificationswere met.
CountryRadio type approval number
IC: 2546A-MC34MA4
Loading the vehicle
Instruction labels for tires and loads
GWARNING
Overloaded tires can overheat, causing a
blowout. Overloaded tires can also impair
the steering and driving characteristics and
lead to brake failure. There is a risk of acci-
dent.
Observe the load rating of the tires. The load
rating must be at least half of the GAWR of
your vehicle. Never overload the tires by
exceeding the maximum load.
Two instruction labels on your vehicle showthe maximum possible load.
(1) The Tire and Loading Information placardis on the B-pillar on the driver's side. TheTire and Loading Information placardshows the maximum permissible numberof occupants and the maximum permissi-ble vehicle load. It also contains details ofthe tire sizes and corresponding pressuresfor tires mounted at the factory.
(2) The vehicle identification plate is on theB-pillar on the driver's side. The vehicleidentification plate informs you of thegross vehicle weight rating. It is made upof the vehicle weight, all vehicle occu-pants, the fuel and the cargo. You can alsofind information about the maximum grossaxle weight rating on the front and rearaxle.
The maximum gross axle weight rating isthe maximum weight that can be carriedby one axle (front or rear axle). Neverexceed the maximum load or the maxi-mum gross axle weight rating for the frontor rear axle.
Loading the vehicle303
Wheels and tires
Z

Information regarding technical data
iThe data stated here specifically refers toa vehicle with standard equipment. Consultan authorized Mercedes-Benz Center for thedata for all vehicle variants and trim levels.
Vehicle electronics
Tampering with the engine electron-
ics
!Have the engine electronics and associ-ated parts, such as control units, sensors,actuating components or electric cablesserviced only at a qualified specialist work-shop. Vehicle components may otherwisewear more quickly and the vehicle's operat-ing permit may be invalidated.
Installing two-way radios and mobile
phones (RF transmitters)
GWARNING
The electromagnetic radiation from two-way
radios can interfere with the vehicle elec-
tronics if two-way radios are manipulated or
retrofitted incorrectly. This could jeopardize
the operating safety of the vehicle. There is
a risk of an accident.
You should have all work on electrical and
electronic components carried out at a
qualified specialist workshop.
GWARNING
If you incorrectly operate two-way radios in
the vehicle, the electromagnetic radiation
may interfere with the vehicle electronics,
for example if:
Rthe two-way radio is not connected to an
exterior antenna
Rthe exterior antenna is not correctly
mounted or is not low-reflection
This could jeopardize the operating safety of
the vehicle. There is a risk of an accident.
Have the low-reflection exterior antenna
installed at a qualified specialist workshop.
Always connect two-way radios to the low-
reflection exterior antenna when operating
in the vehicle.
!The operating permit may be invalidated ifthe instructions for installation and use oftwo-way radios are not observed.
In particular, the following requirementsmust be complied with:
Ronly approved wavebands may be used
Robserve the maximum permissible outputin these wavebands
Ronly approved antenna positions may beused
Excessive levels of electromagnetic radiationmay cause damage to your health and thehealth of others. Using an exterior antennatakes into account current scientific discus-sions relating to the possible health hazardsthat may result from electromagnetic fields.
The following antenna positions may be used ifRF transmitters have been properly installed:
Approved antenna positions
CRear fenders
iOn the rear fenders, it is recommended toinstall the antenna on the side of the vehicleclosest to the center of the road.
Use the Technical Specification ISO/TS 21609when retrofitting RF transmitters (Road Vehi-cles - EMC guidelines for installation of after-market radio frequency transmitting equip-ment). Observe the legal requirements foraccessory parts.
If your vehicle has installations for two-wayradio equipment, use the power supply orantenna connections intended for use with the
Vehicle electronics319
Technical data
Z

basic wiring. Be sure to observe the manufac-turer's Supplement when installing.
Deviations with respect to frequency bands,maximum transmission outputs or antennapositions must be approved by Mercedes-Benz.
The maximum transmission output (PEAK) atthe base of the antenna must not exceed thefollowing values:
Frequency bandMaximumtransmissionoutput
Short wave
3 - 54 MHz
100 W
4 m waveband
74 - 88 MHz
30 W
2 m waveband
144 - 174 MHz
50 W
Trunked radio system/Tetra
380 - 460 MHz
10 W
70 cm waveband
400 - 460 MHz
35 W
Mobile communications(2G/3G/4G)10 W
The following can be used in the vehicle with-out restrictions:
RRF transmitters with a maximum transmis-sion output of up to 100 mW
RRF transmitters with transmitter frequenciesin the 380 - 410 MHz waveband and a maxi-mum transmission output of up to 2 W(trunked radio/Tetra)
RMobile phones (2G/3G/4G)
There is no restriction for antenna positions onthe outside of the vehicle for the following fre-quency bands:
RTrunked radio system/Tetra
R70 cm waveband
R2G/3G/4G
Identification plates
Vehicle identification plate with
vehicle identification number (VIN)
XOpen the driver's door.You will see vehicle identification plateC.
Example: vehicle identification plate (USA only)
CVIN
DVehicle model
Example: vehicle identification plate (Canadaonly)
CVIN
DPaint code
iThe data shown on the vehicle identifica-tion plate is used only as an example. This
320Identification plates
Technical data