2020 MERCEDES-BENZ METRIS trailer

Index
....................................................... 4Introduction .........................................
27
Operating Instructions ........................... 27
Service and vehicle operation ................ 27
Proper use ............................................. 29
Protection of the environment ............... 29
Operating safety and vehicle
approval ................................................. 30
Genuine Mercedes-Benz parts ............... 34
QR code for rescue card ........................ 35
Data stored in the vehicle ...................... 35 At a glance
........................................... 37
Cockpit ..................................................
37
Instrument cluster (vehicles without
steering wheel buttons) ......................... 38
Instrument cluster (vehicles with
steering wheel buttons) ......................... 40
Steering wheel buttons .......................... 42
Center console ...................................... 43
Overhead control panel ......................... 44
Door control panel ................................. 44 Safety ...................................................
46
Useful information .................................
46
Occupant safety .................................... 46
Children in the vehicle ........................... 60
Pets in the vehicle ................................. 66
Driving safety systems ........................... 66
Theft deterrent locking system .............. 70 Opening and closing
...........................71
Useful information .................................
71
Key ........................................................ 71
Central locking ...................................... 75
Driver's door and co-driver's door ......... 76
Sliding door ........................................... 77
Electric sliding door ............................... 78
Tailgate .................................................. 81
Rear-end doors ...................................... 82
Side windows ......................................... 84 Seats, steering wheel and mir-
rors .......................................................
87
Useful information .................................

87
Seats ..................................................... 87
Steering wheel ....................................... 95
Mirrors ................................................... 96
Memory function ................................... 97 Lights and windshield wipers
............99
Useful information .................................
99
Exterior lighting ..................................... 99
Interior lighting .................................... 102
Replacing bulbs: interior lighting and
ambient lamps ..................................... 103
Replacing bulbs ................................... 105
Windshield wipers ................................ 109 Climate control
................................. 114
Useful information ...............................
114
Overview of climate control systems ... 114
Operating the climate control sys-
tem ...................................................... 117
Adjusting the air vents ......................... 124 Driving and parking ..........................
126
Useful information ...............................
126
Breaking-in notes ................................. 126
Driving ................................................. 126
Automatic transmission ....................... 130
Refueling ............................................. 136
Parking ................................................ 138
Driving tips .......................................... 140
Driving systems ................................... 146
Towing a trailer .................................... 168 On-board computer and displays
....174
Useful information ...............................
174
Important safety notes ........................ 174
Display and operation .......................... 174
On-board computer (vehicles without
steering wheel buttons) ....................... 176
On-board computer (vehicles with
steering wheel buttons) ....................... 181
Display messages (vehicles without
steering wheel buttons) ....................... 194 2
Contents

1, 2, 3 ...
12-V socket ........................................ 241A
ABS (anti-lock braking system) Display message (vehicle with
steering wheel buttons)

................. 210
Display message (vehicle without
steering wheel buttons) ................. 196
Function/notes ................................ 67
Important safety notes .................... 67
Warning lamp ................................. 230
Accident
Automatic measures after an
accident ........................................... 60
Activating/deactivating cooling
with air dehumidification ................. 118
Active Parking Assist
Canceling/stopping active park-
ing assistance ................................ 163
Detecting parking spaces .............. 160
Display message ............................ 221
Exiting a parking space .................. 162
Function/notes ............................. 159
Important safety notes .................. 159
Parking .......................................... 161
Towing a trailer .............................. 159
Add-on equipment ............................... 33
Additional indicators
Replacing bulbs ............................. 107
Additional speedometer
On-board computer (vehicle with
steering wheel buttons) ................. 192
On-board computer (vehicle with-
out steering wheel buttons) ........... 180
Additives
Engine oil ....................................... 309
Gasoline ......................................... 307
Air bag
Display message (vehicle with
steering wheel buttons) ................. 211
Display message (vehicle without
steering wheel buttons) ................. 197
Air bags
Deployment ..................................... 58 Front air bag (driver, front
passenger)

....................................... 52
Important safety notes .................... 51
Introduction ..................................... 51
Occupant Classification System
(OCS) ............................................... 54
PASSENGER AIR BAG OFF indica-
tor lamp ........................................... 47
Side impact air bag .......................... 52
Window curtain air bag .................... 53
Air pressure
see Tire pressure
Air vents
Important safety notes .................. 124
Setting the center air vents ........... 124
Setting the rear-compartment air
vents .............................................. 125
Setting the side air vents ............... 124
Air-conditioning system
see Climate control
Alarm system
see ATA (Anti-Theft Alarm system)
Alertness assist
see ATTENTION ASSIST
Ambient lamp
Changing a bulb (front door) .......... 104
Changing a bulb (tailgate) .............. 104
Changing a bulb (vanity mirror) ...... 104
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-skid chains
see Snow chains
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Anti-theft protection
see ATA (Anti-Theft Alarm system)
Armrests .............................................. 95
Ashtray ............................................... 240
ATA (Anti-Theft Alarm system) ........... 70
ATTENTION ASSIST
Activating/deactivating (vehicle
with steering wheel buttons) ......... 190
Activating/deactivating (vehicle
without steering wheel buttons) .... 180
Display messages (vehicle with
steering wheel buttons) ................. 221
Display messages (vehicle with-
out steering wheel buttons) ........... 206 4
Index

Function/notes ............................. 155
Attention Assist
see ATTENTION ASSIST
ATTENTION ASSIST
see ATTENTION ASSIST
Authorized workshop
see Qualified specialist workshop
AUTO lamp
Display messages (vehicle with-
out steering wheel buttons) ...........
202
AUTO lights
Display messages (vehicle with
steering wheel buttons) ................. 216
see Lights
Automatic car wash (care) ............... 264
Automatic headlamp mode .............. 100
Automatic locking ............................... 76
Automatic transmission
Accelerator pedal position ............. 134
Changing gear ............................... 132
DIRECT SELECT lever ..................... 131
Display message ............................ 225
Drive program display .................... 132
Driving tips .................................... 134
Emergency running mode .............. 136
Engaging drive position .................. 131
Engaging neutral ............................ 131
Engaging reverse gear ................... 131
Engaging the park position ............ 131
Gearshift recommendation ............ 136
Important safety notes .................. 130
Kickdown ....................................... 135
Manual shifting .............................. 135
Overview ........................................ 130
Problem (malfunction) ................... 136
Program selector button ................ 134
Rocking the vehicle free ................ 135
Shift ranges ................................... 133
Starting the engine ........................ 128
Steering wheel paddle shifters ...... 135
Trailer towing ................................. 135
Transmission oil change ................ 310
Transmission position display
(DIRECT SELECT lever) ................... 132
Transmission positions .................. 132
Automatic transmission emer-
gency mode ....................................... 136 Axle load, permissible (trailer
towing) ...............................................
315 B
Back support see Lumbar support
Backup lamp
Display messages (vehicle with
steering wheel buttons) .................

217
Backup lamps
Display messages (vehicle with-
out steering wheel buttons) ........... 203
Replacing bulbs ............................. 108
BAS (Brake Assist System)
Function/notes ................................ 67
Basic settings
see Settings
Battery (SmartKey)
Checking .......................................... 73
Important safety notes .................... 73
Replacing ......................................... 73
Battery (vehicle)
Care ............................................... 263
Charging ........................................ 262
Connecting and installing .............. 261
Disconnecting and removing ......... 260
Display messages (vehicle with
steering wheel buttons) ................. 219
Display messages (vehicle with-
out steering wheel buttons) ........... 204
Important safety notes .................. 258
Jump starting ................................. 272
Location ......................................... 259
Before driving off
Important safety notes .................. 127
Belt
see Seat belts
Belt warning ......................................... 50
Blind Spot Assist
Activating ....................................... 153
Activating/deactivating (vehicle
with steering wheel buttons) ......... 191
Collision warning ........................... 153
Display message ............................ 223
Important safety notes .................. 152
Monitoring range of the sensors .... 152
Notes/function .............................. 151 Index
5

Trailer towing ................................. 153
Warning display
............................. 153
Blower
see Climate control
Bluetooth ®
Audio ............................... 187
Brake
Display message (vehicle without
steering wheel buttons) ................. 196
Downhill slopes .............................. 142
Heavy and light loads ..................... 142
New brake discs ............................ 143
Wet road surfaces .......................... 142
Brake Assist
see BAS (Brake Assist System)
Brake assistance
see BAS (Brake Assist System)
Brake fluid
Checking the level ......................... 255
Display message (vehicle with
steering wheel buttons) ................. 213
Display message (vehicle without
steering wheel buttons) ................. 199
Notes ............................................. 310
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamps
Display messages (vehicle with
steering wheel buttons) ................. 217
Display messages (vehicle with-
out steering wheel buttons) ........... 202
Replacing bulbs ............................. 108
Trailer display messages (vehicle
with steering wheel buttons) ......... 216
Trailer display messages (vehicle
without steering wheel buttons) .... 202
Brake pads/linings
New ............................................... 143
Brakes
ABS .................................................. 67
Adaptive Brake Assist .................... 150
Applying the parking brake ............ 138
BAS .................................................. 67
Brake fluid (notes) ......................... 310
Checking brake fluid level .............. 255
Display message (vehicle with
steering wheel buttons) ................. 210
EBD .................................................. 68 Hill start assist ............................... 129
Important safety notes
.................. 142
New brake pads/linings ................ 143
Parking brake (notes) ..................... 143
Riding tips ...................................... 142
Warning lamp ................................. 229
Breakdown
Mercedes-Benz Service24h ........... 272
Vehicle tool kit ............................... 270
Breakdown assistance
see Towing away
Buttons
On the instrument cluster .............. 176
On the steering wheel .................... 181 C
California Important notice for retail cus-
tomers and lessees ..........................

27
Camera
see Rear view camera
Car wash
see Care
Care
Car wash ........................................ 264
Carpets .......................................... 269
Display ........................................... 268
Exterior lights ................................ 266
Interior ........................................... 268
Notes ............................................. 263
Paint .............................................. 265
Plastic trim .................................... 268
Power washer ................................ 265
Rear view camera .......................... 267
Roof lining ...................................... 269
Seat belt ........................................ 269
Seat cover ..................................... 269
Sensors ......................................... 267
Sliding door ................................... 267
Steering wheel ............................... 269
Trim pieces .................................... 269
Washing by hand ........................... 264
Washing the engine ....................... 265
Wheels ........................................... 266
Windows ........................................ 265
Wiper blades .................................. 266 6
Index

Cargo compartment
Options .......................................... 244
Seating ............................................ 90
Cargo compartment lamp
Changing bulbs .............................. 104
Cargo compartment lighting
Switching on centrally ................... 103
Switching on locally ....................... 103
Cargo tie-down points and tie
downs
Important safety notes .................. 244
Cargo tie-down rings
Permissible tensile load ................. 314
Center console
Controls ........................................... 43
Central locking
Activating/deactivating the
acoustic locking confirmation
(on-board computer) ...................... 194
Automatic locking ............................ 76
Automatic locking (on-board
computer) ...................................... 194
Locking/unlocking (buttons) ........... 75
Locking/unlocking (emergency
key element) .................................... 72
Locking/unlocking (SmartKey) ........ 71
Central locking system
see Central locking
Change of address .............................. 28
Change of ownership .......................... 28
Changing a bulb
Ambient lamp in the front door ...... 104
Halogen headlamps ....................... 105
Mirror lamp in the headliner .......... 104
Signal and ambient light in the
tailgate .......................................... 105
Trunk lamp in the side trim panel .. 104
Changing bulbs
Additional turn signals ................... 107
Ambient lamp in tailgate ................ 104
Backup lamps ................................ 108
Brake lamps ................................... 108
Cargo compartment lamp .............. 104
Daytime running lamps .................. 107
High-beam headlamps ................... 107
Installing/removing a rear lamp
cluster ........................................... 108 Installing/removing the cover in
the wheel arch
............................... 106
Installing/removing the tail lamp ... 108
Interior light ................................... 103
Interior lighting .............................. 103
Low-beam headlamps .................... 106
Overview of lamp types (front
bulbs) ............................................. 106
Overview of lamp types (rear
bulbs) ............................................. 108
Parking lamps ................................ 107
Rear fog lamp ................................ 108
Rear interior light in the head-
liner ............................................... 104
Standing lamps (front) ................... 107
Standing lamps (rear) .................... 108
Tail lamps ...................................... 108
Trunk lamp in the headliner ........... 103
Turn signals (front) ......................... 107
Turn signals (rear) .......................... 108
see Changing light bulbs
Child
Restraint system .............................. 62
Child seat
Forward-facing restraint system ...... 64
LATCH-type (ISOFIX) child seat
anchors ............................................ 63
On the front-passenger seat ............ 64
Rearward-facing restraint system .... 64
Top Tether ....................................... 63
Child-proof locks
Important safety notes .................... 65
Sliding door ..................................... 66
Children
Special seat belt retractor ............... 61
Children in the vehicle
Important safety notes .................... 60
Cigarette lighter ................................ 240
Cleaning
Trailer tow hitch ............................. 268
Cleaning
see Care
Climate control
Air conditioning in the rear com-
partment ........................................ 117
Control panel for dual-zone auto-
matic climate control ..................... 116
Controlling automatically ............... 119 Index
7

New brake pads/linings ................ 143
Off-road driving ..............................
144
Overrun cut-off .............................. 140
Snow chains .................................. 281
Speed limitation ............................. 141
Towing a trailer .............................. 168
Wet road surface ........................... 142 E
EASY-PACK tailgate Problems with the tailgate

............... 82
EBD (electronic brake force distri-
bution)
Display message (vehicle with
steering wheel buttons) ................. 213
Display message (vehicle without
steering wheel buttons) ................. 199
Function/notes ................................ 68
Electric sliding door
Function ........................................... 78
Important safety notes .................... 78
Obstacle detection ........................... 78
Opening/closing from the inside ..... 79
Problem (malfunction) ..................... 81
Programming the key button ........... 80
Resetting ......................................... 80
Reversing feature ............................. 78
Electrical fuses
see Fuses
Electrical sliding door
Opening/closing from the out-
side .................................................. 78
Electronic brake force distribu-
tion
see EBD (electronic brake force
distribution)
Electronic Stability Program
see ESP ®
(Electronic Stability Program)
Emergency
Automatic measures after an
accident ........................................... 60
Emergency braking
see BAS (Brake Assist System)
Emergency release
Vehicle ............................................. 73
Emergency Tensioning Devices
Activation ......................................... 58 Emissions control
Service and warranty information ....
27
Engine
Altitude limit (diesel engine) .......... 146
Changing the power output ............. 32
Check Engine warning lamp ........... 233
Cleaning instructions ..................... 265
Display messages (vehicle with
steering wheel buttons) ................. 219
Display messages (vehicle with-
out steering wheel buttons) ........... 204
Engine number ............................... 305
Irregular running ............................ 130
Jump-starting ................................. 272
Operating safety .............................. 32
Starting .......................................... 128
Starting problems .......................... 130
Switching off .................................. 139
Tow-starting (vehicle) ..................... 277
Engine electronics
Notes ............................................. 304
Problem (malfunction) ................... 130
Engine oil
Adding ........................................... 253
Additives ........................................ 309
Checking the oil level using the
dipstick .......................................... 252
Display messages (vehicle with
steering wheel buttons) ................. 220
Display messages (vehicle with-
out steering wheel buttons) ........... 205
Filling capacity ............................... 309
Information about oil consump-
tion ................................................ 309
Notes about oil grades ................... 308
Oil change ...................................... 309
Oil level (note) ............................... 252
Viscosity ........................................ 309
Engine oil additives
see Additives
Equipment/conversions ..................... 33
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Program)
ESP ®
(Electronic Stability Pro-
gram)
Activating/deactivating (vehicle
with steering wheel buttons) ......... 190 Index
11

Activating/deactivating (vehicle
without steering wheel buttons)
.... 179
Crosswind Assist ............................. 70
Deactivating/activating ................... 69
Display message (vehicle with
steering wheel buttons) ................. 214
Display message (vehicle without
steering wheel buttons) ................. 200
Function/notes ................................ 68
Important safety information ........... 68
Trailer stabilization ........................... 69
Warning lamp ................................. 230
Exhaust check ................................... 141
Exterior lighting
see Lights
Exterior mirror
Heating ............................................ 97
Exterior mirrors
Adjusting ......................................... 97
Out of position (troubleshooting) ..... 97
Eyeglasses compartment ................. 238 F
First-aid kit .........................................

272
Flat tire
Changing a wheel/mounting the
spare wheel ................................... 298
Frequencies
Mobile phone ................................. 304
Two-way radio ................................ 304
Front fog lamps
Changing bulbs .............................. 105
Display messages (vehicle with
steering wheel buttons) ................. 217
Display messages (vehicle with-
out steering wheel buttons) ........... 203
Switching on/off ........................... 100
Front-passenger front air bag
Display message (vehicle without
steering-wheel buttons) ................. 197
Fuel
Additives (gasoline) ........................ 307
Consumption information .............. 307
Consumption statistics (vehicle
with steering wheel buttons) ......... 184
Consumption statistics (vehicle
without steering wheel buttons) .... 177 Displaying the current consump-
tion (vehicle with steering wheel
buttons) .........................................

184
Displaying the current consump-
tion (vehicle without steering
wheel buttons) ............................... 178
Displaying the range (vehicle
with steering wheel buttons) ......... 184
Displaying the range (vehicle
without steering wheel buttons) .... 178
Driving abroad ............................... 141
Driving tips .................................... 140
Fuel content display (vehicle
without steering wheel buttons) .... 176
Fuel gauge (vehicle with steering
wheel buttons) ................................. 40
Grade (gasoline) ............................ 306
Important safety notes .................. 306
Problem (malfunction) ................... 138
Refueling ........................................ 136
Tank content/reserve fuel ............. 306
Fuel content
Display (vehicle without steering
wheel buttons) ............................... 176
Fuel level
Gauge (vehicle with steering
wheel buttons) ................................. 40
Fuel tank
Problem (malfunction) ................... 138
Fuel tank reserve level
Display messages (vehicle with
steering wheel buttons) ................. 221
Display messages (vehicle with-
out steering wheel buttons) ........... 206
Fuses .................................................. 277 G
Gasoline .............................................

306
Gearshift recommendation
Display (vehicle with steering
wheel buttons) ............................... 183
Display (vehicle without steering
wheel buttons) ............................... 176
Genuine parts ...................................... 34
Glove box ........................................... 238
GTW (Gross Trailer Weight) (defi-
nition) ................................................. 29612
Index

Operating safety and vehicle
approval
Attachments and bodies
.................. 33
Changing the engine power out-
put ................................................... 32
Correct use ...................................... 29
Declaration of conformity ................ 31
Equipment and conversions ............. 33
Important safety notes .................... 30
Information about body/equip-
ment mounting directives ................ 33
Notes on operating the vehicle ........ 30
Qualified specialist workshop .......... 32
Registering your vehicle ................... 33
Operating system
On-board computer (vehicle with
steering wheel buttons) ................. 181
On-board computer (vehicle with-
out steering wheel buttons) ........... 176
Operating unit
Media Interface ................................ 43
Operator's Manual
General notes .................................. 27
Vehicle equipment ........................... 27
Outside temperature display ........... 175
Overhead control panel ...................... 44
Overrevving range ............................. 175
Overrun cutoff ................................... 140P
Paint code number ............................
304
Paintwork (cleaning instructions) ... 265
Parking ............................................... 138 Important safety notes .................. 138
Parking brake ................................ 138
Rear view camera .......................... 163
see Active Parking Assist
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 159
see PARKTRONIC
see Rear view camera
Parking aid
see PARKTRONIC
Parking brake
Display message (vehicle with
steering wheel buttons) ................. 214 Display message (vehicle without
steering wheel buttons) .................

201
Notes/function .............................. 138
Warning lamp ................................. 138
Parking brake
see Parking brake
Parking lamps
Changing bulbs .............................. 107
PARKTRONIC
Deactivating/activating ................. 158
Display messages .......................... 221
Driving system ............................... 156
Function/notes ............................. 156
Important safety notes .................. 157
Problem (malfunction) ................... 159
Range of the sensors ..................... 157
Roll-back warning .......................... 158
Trailer towing ................................. 159
Warning display ............................. 158
Partition
Note ................................................. 34
Transport protection ...................... 244
PASSENGER AIR BAG OFF
Indicator lamp .................................. 47
Passenger bench seat
Seat sliders ...................................... 89
Passenger compartment air-con-
ditioning system
see Climate control
Passenger compartment heating
see Climate control
Pedestrian protection
see Hood
Pets in the vehicle ............................... 66
Plastic trim (cleaning instruc-
tions) .................................................. 268
Power washers .................................. 265
Power windows
see Side windows
Preparing for a journey
Checks in the vehicle ..................... 127
Visual check of the vehicle exte-
rior ................................................. 127
Program selector button .................. 134
Protection of the environment
General notes .................................. 29
Pulling away
Automatic transmission ................. 128 Index
17