Manufac‐
turer
Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Ve oneer 77V12BSM
(radar sensor) NCC/
TS
NI/WN/TA/
CERT/
3069/20 19
Ve oneer 77V12CRN
(radar sensor) NCC/
TS
NI/WN/TA/
CERT/
3068/20 19 Oman
Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
ADC ARS4-A (radar sen‐ sor) TRA/T
A-
R/
20 16 /14
D080 13 4
ADC ARS4-B (radar sen‐ sor) TRA/T
A-
R/
22 10 /14
D080 13 4
ADC ARS4-C (radar sen‐ sor) TRA/T
A-
R/
77 69/19
D1 72338 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
Bosc hF R5CPCCF (radar
sensor) TRA/T
A-
R/
7983/19
D1 72338
Bosc hL RR3 (radar sensor )TRA/TA -
R/
10 49/09
Bosc hM RR1Rear (radar sen‐
sor) TRA/T
A-
R/
18 49/14
Bosc hM RRe14FCR (radar
sensor) TRA/T
A-
R/
4353/17 442
Tech nical da ta
Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
Continen‐
tal
Antenna RKE2
13E1 (antenna
amplifi er) TRA/T
A-
R/
27 15 /15
D090258
Continen‐
tal
Antenna RKE223E1GNS
(antenna amplifier)
TRA/T
A-
R/
83 37/19
Continen‐
ta lAu to‐
motive CMKG1 (locking sys‐
te
m) TRA/T
A-
R/
8642/19
D1 72338
Continen‐
ta lAu to‐
motive MARS
Keyless (lock‐
ing sy stem) TRA/T
A-
R/
41 58/17
D080 13 4 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
HELL AD M4 (locking sy stem) TRA/T A-
R/
4548/17
D080 13 4
Hirsch‐
mann 920287A (lo
cking
sy stem) TRA/T
A-
R/
02 10 /11
D080353
Hirsch‐
mann 920287B (locking
sy
stem) TRA/T
A-
R/
0655/12
D080353
Huf Bao‐
long TS
SRE4A (ty repres‐
sure monitoring sen‐
sor) TRA R/
45
16 /17
D100428 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
Huf Bao‐
long TS
SSG4G6 (ty repres‐
sure monitoring sen‐
sor) TRA R/
45
15 /17
D100428
Huf Bao‐
long TS
SSG4G6b (ty re
pressure monitoring
sensor) TRA R/
75
06/19
D100428
HUF HUF14632 (lo cking
sy stem) TRA/T
A-
R/
2665/15
HU FH UF4761 (lo cking sys‐
te m) TRA/T
A-
R/
0920/12
LEOPOLD
KO STAL KK1 (locking sy
stem) TRA/T A-
R/
31 29/16 Te
ch nical da ta443
Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
MAR‐
QUARDT DC12A (lo
cking sys‐
te m) TRA/T
A-
RD/
4056/17
D100428
MAR‐
QUARDT DC12B (locking sys‐
te
m) TRA/T
A-
R/
02 27/11
D080353
MAR‐
QUARDT DC12K (locking sys‐
te
m) TRA/T
A-
R/
0228/11
D080353
MAR‐
QUARDT MS2 (locking sy
stem) TRA/T A-
R/
41 36/17
D080 13 4 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
MAR‐
QUARDT MS4 (lo
cking sy stem) TRA/T A-
R/
73 16 /19
D1 7224 9
MAR‐
QUARDT MS5 (locking sy
stem) TRA/T A-
R/
93 24/20
D100428
MAR‐
QUARDT MK1 (locking sy
stem) TRA/T A-
R/
2848/15
D080353
MAR‐
QUARDT MK2 (locking sy
stem) TRA/T A-
R/
2900/15
D080353 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
MAR‐
QUARDT 3350.38 (lo
cking sys‐
te m) TRA/T
A-
R/
70 51/19
D1 7224 9
MAR‐
QUARDT MU1 (locking sy
stem) TRA/T A-
R/
73 53/19
D1 7224 9
MAR‐
QUARDT MU2 (locking sy
stem) TRA/T A-
R/
9325/20
D100428
Schrader AG5SP4-D (tyre pres‐
sure monitoring sen‐
sor) TRA R/
2380/15
D080
13 4 444
Tech nical da ta
Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
Schrade rMFR (tyrepressure
monitoring sensor) TRA R/
74
64 /19
D090258
Schrader GG4T (ty repressure
monitoring sensor) TRA
TA -
R/
4686/17
D080 13 4
Schrader DG6W2D4 (ty repres‐
sure monitoring sen‐
sor) TRA
TA -
R/
55 11/18
D1 7224 9
Ve oneer 77GHz MMRV1 (radar
sensor) TRA/
TA -
R/
27 06/15 Manu‐
fa
ctu rer Model designation
Radio
equip‐
ment
appr oval
number
Ve oneer 77V12BSM (radar
sensor) TRA R/
77
06/19
D1 72338
Ve oneer 77V12CRN (radar
sensor) TRA R/
77
07/19
D1 72338
WITTE-
Ve lbert SDHT
AG3NFC (lo ck‐
ing sy stem) TRA/T
A-
R/
91 50/20 Pa
kistan Manufac‐
turer
Model desig‐
nation Ra
dio equip‐
ment
appr oval
number
ADC ARS4-A (radar sen‐
sor)9.90
14/20 19
ADC ARS4-B (radar sen‐
sor)9.
10 48/20 18
ADC ARS4-C (radar sen‐
sor)9.9389/20
19
Bosc hF R5CPCCF
(radar sen‐
sor) 9.
19 8/2020 Te
ch nical da ta445
Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page189).
Place the key in the
marked space See Owner's
Manual *K
eydetection is malfunctioning. #
Change the location of theke y in theve hicle. #
Place theke y in the slot forst arting the engine with theke y (/ page189). Displ
aymessa ges and warning/indicator lamps 497
Display messages
Possible causes/consequences and M
MSolutions #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page372).
The 48 V bat tery isch arge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni tor Display messages
Possible causes/consequences and M
MSolutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the
tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. Display messages and
warning/indicator lamps 541
Tw
o-w ayradio.......................................3 99
Fr ont airbag (driver, front passenger)...... .47
Fr ont passenger head restra int
Fo lding back/up (chauf feur mode)........ 11 6
Fr ont passenger seat
Ad justing from the driver's seat.............1 10
Ad justing from there ar.......................... 111
Fo lding the head restra int back/up
(chauf feur mode).................................. .116
Fr ont passenger seat
see Seat
Fu el
Ad ditives...............................................4 82
Diesel.................................................... 483
E10....................................................... .481
Fu elreser ve.......................................... 484
Low outside temp eratures..................... 483
Pe trol..................................................... 481
Quality (diesel)...................................... 483
Quality (p etro l)....................................... 481
Re fuelling.............................................. 206
Sulphur content..................................... 481
Ta nk content......................................... 484 Fu
nction seat
see Door cont rol panel
Fu nction seat (rear)
see Seat (rear)
Fu ses
Before replacing a fuse.......................... 378
Fu se assignment diagram...................... 378
Fu se box in the boot.............................. 381
Fu se box in the engine compartmen t.... 379
Fu se box in the front passenger foot‐
we ll....................................................... .381
Fu se box on the dashboard................... 381
No tes..................................................... 378 G
Garage door opener Clearing the memory.............................2 15
Programming buttons............................ 213
Re solving problems................................ 214
Synchronising thero lling code............... 214
Garage door opene rs
Opening/closing the door...................... 215
Gearshift recommendation..................... .204
Gene ral operating permit number (EU)... 478Genuine parts.............................................. 22
Genuine wood (Care) ................................ 358
Glide mode................................................ .205
Glo vebox
Air vent.................................................. 187 H
Handbrake see Electric parking brake
Handling characteristics (unusual)......... 383
HANDS-FREE ACCESS ................................ .90
Handset Stow age compartment (rear)................. 137
Hazard warning lights.............................. .155
Head restra int
Ac tivating/deactivating neck heating.... 12 0
At tach ing/ removing the additional
cushion (front)....................................... 11 9
At tach ing/ removing the additional
cushion (rear)........................................ 12 0
Fr ont (luxury head restra int)................. .118
Fr ont passenger side (chauf feur
mode).................................................... 11 6 Index
583
To
pographical compensation.................1 57
Interior lighting Adjusting................................................ 161
Ambient lighting.................................... 16 2
Re ading lam p......................................... 161
Switch-off del aytime............................. 16 4
Interior pr otection
Fu nction................................................ 105
Priming/deactivating.............................1 06
Internet radio
see TuneIn
Ionisation Activating/deactivating (MBUX mul‐
timedia sy stem).....................................1 76
iPhone ®
see Smartphone integ ration
ISOFIX child seat anchor
Seats suitable for attaching..................... 64
ISOFIX child seat securing sy stem
Fitting...................................................... 66 J
Jack Declaration of con form ity....................... .31
St orage location.................................... 391
Jump-start connection General no tes........................................3 70 K
Key Acoustic locking verification signal.......... 78
Battery.................................................... 79
Deacti vating a function............................ 78
Emergency key........................................ 79
Energy consum ption................................ 78
Fe atures.................................................. 77
Ke yring attachment................................ 79
Overview................................................. 77
Problem................................................... 81
Un locking setting.................................... .78
KEYLESS-GO Deactivating a function........................... .78
Locking/unlocking theve hicle................83
Problem................................................... 84
Un locking setting.................................... .78Kickd
own
Using.....................................................2 05
Knee airbag................................................. .47 L
Lamp see In terior lighting
Lamps (driver's display) see Indicator/warning lamp
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Le vel control sy stem
see AIRMATIC
Light adju stment
Low beam (d riving abroad). ................... 15 2
Light switch Overview............................................... 15 2
Lighting see In terior lighting
see Lights Index
585