transmission MERCEDES-BENZ CLA 2019 Owners Manual

Index.......................................................4
Digital Operator's Manual..................23
Introduction ...........................................23
Operation ............................................... 23
Introduction.........................................24
Protecting the environment ...................24
Genuine Mercedes-Benz parts ...............24
Operator's Manual ................................. 25
Service and vehicle operation ................25
Operating safety .................................... 27
QR code for rescue card ........................ 29
Data storage .......................................... 29
Information on copyright ....................... 31
At a glance...........................................32
Cockpit .................................................. 32
Instrument cluster ................................. 33
Multifunction steering wheel ................. 34
Center console ...................................... 35
Door control panel ................................. 38
Overhead control panel .........................39
Safety...................................................40
Panic alarm ............................................ 40
Occupant safety .................................... 40
Children in the vehicle ........................... 54
Pets in the vehicle ................................. 60
Driving safety systems ........................... 61
Protection against theft .........................68
Opening and closing...........................70
SmartKey ............................................... 70
Doors ..................................................... 76
Trunk ..................................................... 78
Side windows ......................................... 82
Panorama roof with power tilt/sliding
panel ...................................................... 86
Seats, steering wheel and mirrors....91
Correct driver's seat position ................91
Seats ..................................................... 91
Steering wheel ....................................... 96
Mirrors ................................................... 97
Memory function ................................. 100
Lights and windshield wipers..........101
Exterior lighting ................................... 101
Interior lighting .................................... 104
Replacing bulbs ................................... 105
Windshield wipers ................................ 108
Climate control.................................111
Overview of climate control systems ... 111
Operating the climate control sys-
tems .................................................... 116
Air vents .............................................. 121
Driving and parking..........................122
Notes on breaking-in a new vehicle ..... 122
Driving ................................................. 122
DYNAMIC SELECT button (all vehicles
except Mercedes-AMG vehicles) ......... 129
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) .................... 130
Automatic transmission ....................... 131
Refueling ............................................. 139
Parking ................................................ 142
Driving tips .......................................... 145
Driving systems ................................... 150
On-board computer and displays....178
Important safety notes ........................ 178
Displays and operation ........................ 178
Menus and submenus ......................... 181
Display messages ................................ 193
Warning and indicator lamps in the
instrument cluster ............................... 220
Multimedia system...........................231
General notes ...................................... 231
Important safety notes ........................ 231
Function restrictions ............................ 231
Operating system ................................ 232
Stowage and features......................239
Loading guidelines ............................... 239
Stowage areas ..................................... 239
2Contents

Alarm system
see ATA (Anti-Theft Alarm system)
AMG
Adaptive sport suspension sys-
tem ................................................ 161
Performance Seat ............................ 95
AMG adaptive sport suspension
system
General Information .......................161
AMG menu (on-board computer)..... 190
AMG Performance exhaust sys-
tem..................................................... 128
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)
Ashtray............................................... 246
Assistance display (on-board com-
puter)..................................................187
Assistance menu (on-board com-
puter)..................................................186
ASSYST PLUS
Displaying a service message ........264
Driving abroad ............................... 265
Hiding a service message .............. 264
Information about Service ............. 265
Resetting the service interval dis-
play ................................................ 265
Service message ............................ 264
Special service requirements ......... 265
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 68
Function ...........................................68
Switching off the alarm .................... 68
ATTENTION ASSIST
Activating/deactivating ................. 187
Display message ............................ 209
Function/notes............................. 173
Audio menu (on-board computer).... 184
Audio system
see Digital Operator's Manual
Authorized Mercedes-Benz Center
see Qualified specialist workshop
Authorized workshop
see Qualified specialist workshop
AUTO lights
Display message ............................ 206
see Lights
Automatic car wash (care)............... 265
Automatic engine start (ECO start/
stop function).................................... 127
Automatic engine switch-off (ECO
start/stop function).......................... 127
Automatic headlamp mode.............. 101
Automatic transmission
Accelerator pedal position ............. 134
Changing gear ............................... 134
DIRECT SELECT lever ..................... 131
Drive program ................................ 135
Drive program display .................... 131
Driving tips .................................... 134
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles) ............................................... 129
DYNAMIC SELECT controller
(Mercedes-AMG vehicles) .............. 130
Emergency running mode.............. 139
Engaging drive position .................. 133
Engaging neutral ............................ 132
Engaging park position
(Mercedes-AMG vehicles) .............. 133
Engaging park position automati-
cally ............................................... 132
Engaging reverse gear ................... 132
Engaging the park position ............ 132
Holding the vehicle stationary on
uphill gradients .............................. 135
Kickdown ....................................... 135
Manual shifting .............................. 137
Oil temperature (on-board com-
puter, Mercedes-AMG vehicles) ..... 190
Overview ........................................ 131
Problem (malfunction) ................... 139
Pulling away ................................... 126
Selector lever ................................ 133
Starting the engine ........................ 125
Steering wheel paddle shifters ...... 137
Transmission position display ........ 133
Transmission position display
(DIRECT SELECT lever) ................... 131
Transmission positions .................. 134
Index5

Automatic transmission emer-
gency mode.......................................139
B
Back button....................................... 232
Backup lamp
Display message ............................ 205
BAS (Brake Assist System)................. 61
Battery (SmartKey)
Checking .......................................... 73
Important safety notes .................... 73
Replacing ......................................... 73
Battery (vehicle)
Charging ........................................ 281
Display message ............................ 208
Important safety notes .................. 279
Jump starting ................................. 282
Replacing ....................................... 281
Belt
see Seat belts
Belt warning......................................... 44
Blind Spot Assist
Activating/deactivating (on-
board computer) ............................ 188
Display message ............................ 210
Notes/function .............................. 174
Bluetooth®
Searching for a mobile phone ........235
Searching for a mobile phone
(device manager) ........................... 236
see also Digital Operator's Man-
ual ..................................................231
Telephony ...................................... 235
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 199
Notes ............................................. 322
Brake force distribution
see EBD (electronic brake force
distribution)
Brake lamp
Replacing bulbs .............................107
Brake lamps
Display message ............................ 204
Brakes
ABS ..................................................61
BAS .................................................. 61
Brake fluid (notes) ......................... 322
Braking assistance appropriate to
the situation ..................................... 63
Display message............................ 194
EBD .................................................. 67
Hill start assist ............................... 126
HOLD function ............................... 158
Important safety notes .................. 147
Maintenance .................................. 148
Parking brake ................................ 143
Riding tips ...................................... 147
Warning lamp ................................. 221
Braking assistance appropriate to
the situation
Function/notes................................ 63
Breakdown assistance
Where will I find...? ........................ 273
see Flat tire
see Tow-starting
see Towing away
Brightness control (instrument
cluster lighting)................................... 33
Buttons on the steering wheel......... 179
C
California
Important notice for retail cus-
tomers and lessees .......................... 25
Calling up a malfunction
see Display messages
Car
see Vehicle
Care
Car wash ........................................ 265
Carpets .......................................... 272
Display ........................................... 270
Exhaust pipe .................................. 270
Exterior lights ................................ 269
Gear or selector lever .................... 271
Interior ........................................... 270
Matte finish ................................... 267
Notes ............................................. 265
Paint .............................................. 267
Plastic trim .................................... 270
Power washer................................ 266
Rear view camera .......................... 269
6Index

Consumption statistics (on-board
computer).......................................... 182
Controller...........................................232
Convenience closing feature.............. 84
Convenience opening feature............ 83
Coolant (engine)
Checking the level ......................... 263
Display message ............................ 207
Filling capacity ............................... 323
Important safety notes .................. 323
Temperature (on-board computer,
Mercedes-AMG vehicles) ...............190
Temperature gauge ........................ 179
Warning lamp ................................. 227
Cooling
see Climate control
Copyright............................................. 31
Cornering light function
Display message ............................ 204
Cruise control
Activation conditions ..................... 151
Cruise control lever ....................... 151
Deactivating ................................... 152
Display message ............................ 212
Driving system ............................... 150
Function/notes .............................150
Important safety notes .................. 151
Setting a speed .............................. 152
Storing and maintaining current
speed ............................................. 151
Cup holder
Center console .............................. 245
Important safety notes .................. 244
Rear compartment ......................... 246
Customer Assistance Center
(CAC)..................................................... 28
Customer Relations Department....... 28
D
Dashboard
see Instrument cluster
Data
see Technical data
Daytime running lamps
Display message ............................ 206
Function/notes .............................101
Switching on/off (on-board com-
puter) ............................................. 189
Declarations of conformity................. 27
Decorative film
Cleaning instructions ..................... 267
Diagnostics connection......................28
Digital Operator's Manual
Help .................................................23
Introduction .....................................23
Digital speedometer.........................183
DIRECT SELECT lever
Automatic transmission ................. 131
Display messages
ASSYST PLUS ................................ 264
Calling up (on-board computer) ..... 193
Driving systems .............................209
Engine ............................................ 207
General notes ................................ 193
Hiding (on-board computer) ........... 193
Lights ............................................. 204
Safety systems .............................. 194
SmartKey ....................................... 218
Tires ............................................... 213
Vehicle ...........................................215
Distance control
see Active Distance Assist DISTRONIC
Distance recorder.............................182
Distance warning (warning lamp).... 229
Distance warning function
Function/notes ................................ 62
Warning lamp ................................. 229
Doors
Automatic locking (on-board com-
puter) ............................................. 189
Automatic locking (switch) ...............77
Central locking/unlocking
(SmartKey) .......................................70
Control panel ...................................38
Display message ............................ 218
Emergency locking ........................... 77
Emergency unlocking ....................... 77
Important safety notes.................... 76
Opening (from inside) ...................... 76
Drinking and driving......................... 146
Drive program
Automatic transmission ................. 135
Display ........................................... 133
8Index

Display (DIRECT SELECT lever) ...... 131
Driver's door
see Doors
Driving
Towing vehicles ............................. 129
Driving abroad
Mercedes-Benz Service ................. 265
Driving on flooded roads.................. 150
Driving safety system
Active Brake Assist .......................... 62
Braking assistance appropriate to
the situation .....................................63
Driving safety systems
ABS (Anti-lock Braking System) .......61
ADAPTIVE BRAKE............................. 68
BAS (Brake Assist System) .............. 61
Distance warning function ............... 62
EBD (electronic brake force distri-
bution) ............................................. 67
ESP®(Electronic Stability Pro-
gram) ............................................... 64
Important safety information ........... 61
Overview .......................................... 61
STEER CONTROL ............................. 68
Driving system
DYNAMIC BODY CONTROL ............ 162
Parking assist PARKTRONIC .......... 162
RACE START (Mercedes-AMG
vehicles) ........................................ 160
Start-off assist ............................... 159
Driving systems
Active Parking Assist ..................... 165
AMG adaptive sport suspension
system ........................................... 161
ATTENTION ASSIST ........................ 173
Blind Spot Assist ............................ 174
Cruise control ................................ 150
Display message ............................ 209
HOLD function ............................... 158
Lane Keeping Assist ...................... 176
Lane Tracking package .................. 174
Rear view camera .......................... 169
Driving tips
Active Distance Assist
DISTRONIC ............................ 152, 158
Automatic transmission ................. 134
Brakes ........................................... 147
Break-in period .............................. 122
Checking brake lining thickness .... 149
Downhill gradient ........................... 147
Drinking and driving ....................... 146
Driving in winter ............................. 150
Driving on flooded roads ................ 150
Driving on wet roads ...................... 149
Exhaust check ............................... 146
Fuel ................................................ 146
General .......................................... 145
Hydroplaning ................................. 149
Icy road surfaces ........................... 150
Limited braking efficiency on sal-
ted roads ....................................... 148
Snow chains .................................. 293
The first 1000 miles (1500 km) ..... 122
Wet road surface ........................... 148
DVD video
Operating (on-board computer) ..... 185
see also Digital Operator's Man-
ual .................................................. 231
DYNAMIC SELECT button
Climate control (3-zone automatic
climate control) ............................. 116
Climate control (air-conditioning
system) .......................................... 113
DYNAMIC SELECT button (all vehi-
cles except Mercedes-AMG vehi-
cles).................................................... 129
DYNAMIC SELECT controller............ 130
DYNAMIC SELECT controller
(Mercedes-AMG vehicles)................. 130
E
EASY-PACK tailgate
see Tailgate
EASY-VARIO-PLUS system
Cargo compartment enlargement .. 242
EBD (electronic brake force distri-
bution)
Display message ............................ 196
Function/notes................................ 67
ECO display
Function/notes............................. 146
On-board computer ....................... 182
ECO start/stop function
Automatic engine start .................. 127
Automatic engine switch-off .......... 127
Index9

Locking centrally
see Central locking
Locking verification signal (on-
board computer)...............................190
Low-beam headlamps
Display message ............................ 204
Replacing bulbs .............................106
Switching on/off ........................... 102
Lumbar support
Adjusting the 4-way lumbar sup-
port ..................................................95
M
M+S tires............................................ 292
Malfunction message
see Display messages
Matte finish (cleaning instruc-
tions).................................................. 267
Mechanical key
Function/notes ................................ 72
Inserting .......................................... 72
Locking vehicle ................................ 77
Removing .........................................72
Unlocking the driver's door .............. 77
Memory card (audio).........................185
Memory function............................... 100
Mercedes me connect
Call priority ....................................251
Display message ............................ 199
Downloading destinations
(COMAND) ..................................... 251
Downloading routes ....................... 254
General notes ................................ 248
Geo fencing ................................... 254
Info call button .............................. 250
Mercedes-Benz emergency call ..... 249
Recovering a stolen vehicle ........... 253
Remote Vehicle Health Check ....... 253
Roadside Assistance call button .... 250
Search & Send ............................... 252
Self-diagnosis ................................ 248
Speed alert ....................................254
System .......................................... 248
Triggering the vehicle alarm ........... 255
Vehicle remote locking .................. 253
Vehicle remote unlocking .............. 252
Message memory (on-board com-
puter)..................................................193
Messages
see Display messages
Mirror turn signal
Cleaning ......................................... 269
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in the sun visor)
Mobile phone
Connecting (Bluetooth®inter-
face) .............................................. 235
Connecting (device manager) ........236
Frequencies ................................... 317
Installation ..................................... 317
Menu (on-board computer) ............ 185
Transmission output (maximum) .... 317
Modifying the programming
(SmartKey)...........................................72
MOExtended tires.............................. 275
Mounting wheels
Lowering the vehicle ...................... 314
Mounting a new wheel ................... 313
Preparing the vehicle .....................311
Raising the vehicle ......................... 312
Removing a wheel .......................... 313
Securing the vehicle against roll-
ing away ........................................ 312
MP3
Operation ....................................... 185
see also Digital Operator's Man-
ual ..................................................231
Multifunction display
Function/notes .............................181
Permanent display ......................... 189
Multifunction steering wheel
Operating the on-board computer .. 179
Overview .......................................... 34
Multimedia system
Switching on and off ......................232
Music files
see also Digital Operator's Man-
ual ..................................................231
Index13

Parking aid
see Exterior mirrors
see Rear view camera
Parking Assist PARKTRONIC
Deactivating/activating ................. 164
Driving system ...............................162
Function/notes .............................162
Important safety notes .................. 162
Problems (malfunctions) ................ 165
Sensor range ................................. 163
Warning display............................. 164
Parking assistance
see Parking Assist PARKTRONIC
Parking brake
Applying automatically................... 144
Applying or releasing manually ...... 144
Display message ............................ 196
Electric parking brake .................... 143
Emergency braking ........................ 145
General notes ................................ 143
Releasing automatically................. 145
Warning lamp ................................. 226
Parking lamps
Switching on/off........................... 102
PASSENGER AIR BAG
Display message ............................ 202
Indicator lamps ................................ 41
Problem (malfunction) ................... 202
Pets in the vehicle............................... 60
Phone book
see also Digital Operator's Man-
ual .................................................. 231
Plastic trim (cleaning instruc-
tions).................................................. 270
Power washers.................................. 266
Power windows
see Side windows
Protection against theft
ATA (Anti-Theft Alarm system) ......... 68
Immobilizer ...................................... 68
Protection of the environment
General notes .................................. 24
Pulling away
Automatic transmission ................. 126
General notes ................................ 126
Hill start assist ............................... 126
Q
QR code
Mercedes-Benz Guide App ................. 1
Rescue card ..................................... 29
Qualified specialist workshop........... 28
R
RACE START
Important safety notes .................. 160
RACE START (Mercedes-AMG vehi-
cles).................................................... 160
RACE TIMER (on-board computer,
Mercedes-AMG vehicles).................. 191
Radio
Selecting a station ......................... 184
see Digital Operator's Manual
Radio mode
see also Digital Operator's Man-
ual .................................................. 231
Radio-wave reception/transmis-
sion in the vehicle
Declaration of conformity ................ 27
Rain closing feature (panorama
roof with power tilt/sliding panel).... 88
Reading lamp..................................... 104
Rear compartment
Setting the air vents ...................... 121
Rear fog lamp
Display message ............................ 205
Replacing bulbs............................. 107
Switching on/off........................... 102
Rear lamps
see Lights
Rear seats
Folding the backrest forwards/
back ............................................... 242
Rear view camera
"Reverse parking" function ............ 171
Cleaning instructions ..................... 269
Display in the multimedia system .. 170
Function/notes............................. 169
General notes ................................ 169
Switching on/off........................... 170
Rear window defroster
Problem (malfunction) ................... 120
Switching on/off........................... 120
Index15

Connecting a mobile phone (gen-
eral information) ............................ 235
Display message ............................ 218
Introduction ...................................185
Menu (on-board computer) ............ 185
Number from the phone book ........186
Redialing ........................................ 186
Rejecting/ending a call ................. 186
see also Digital Operator's Man-
ual ..................................................231
Temperature
Coolant .......................................... 179
Coolant (on-board computer,
Mercedes-AMG vehicles) ...............190
Engine oil (on-board computer,
Mercedes-AMG vehicles) ...............190
Outside temperature ......................178
Setting (climate control) ................ 117
Transmission oil (on-board com-
puter, Mercedes-AMG vehicles) ..... 190
Through-loading feature................... 241
Timing (RACETIMER)......................... 191
Tire pressure
Calling up (on-board computer) ..... 297
Checking manually ........................ 296
Display message ............................ 213
Maximum ....................................... 296
Not reached (TIREFIT) .................... 277
Notes ............................................. 295
Reached (TIREFIT) .......................... 278
Recommended ............................... 293
Tire pressure loss warning system
General notes ................................ 296
Important safety notes .................. 297
Restarting ...................................... 297
Tire pressure monitor
Checking the tire pressure elec-
tronically ........................................ 299
Function/notes .............................297
General notes ................................ 297
Important safety notes .................. 298
Radio type approval for the tire
pressure monitor ........................... 300
Restarting ...................................... 300
Warning lamp ................................. 230
Warning message .......................... 299
TIREFIT kit.......................................... 276
Important safety notes .................. 276
Storage location ............................ 274
Tire pressure not reached .............. 277
Tire pressure reached .................... 278
Tires
Aspect ratio (definition) ................. 310
Average weight of the vehicle
occupants (definition) .................... 308
Bar (definition) ............................... 308
Changing a wheel .......................... 310
Characteristics .............................. 308
Checking ........................................ 290
Curb weight (definition) ................. 309
Definition of terms ......................... 308
Direction of rotation...................... 311
Display message ............................ 213
Distribution of the vehicle occu-
pants (definition) ............................ 310
DOT (Department of Transporta-
tion) (definition) ............................. 308
DOT, Tire Identification Number
(TIN) ............................................... 308
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 309
General notes ................................ 315
GVW (Gross Vehicle Weight) (def-
inition) ........................................... 309
GVWR (Gross Vehicle Weight Rat-
ing) (definition) .............................. 309
Important safety notes .................. 290
Increased vehicle weight due to
optional equipment (definition) ...... 309
Information on driving .................... 290
Kilopascal (kPa) (definition) ........... 309
Labeling (overview) ........................ 305
Load bearing index (definition) ...... 310
Load index ..................................... 307
Load index (definition) ................... 309
M+S tires ....................................... 292
Maximum load on a tire (defini-
tion) ............................................... 309
Maximum loaded vehicle weight
(definition) ..................................... 309
Maximum permissible tire pres-
sure (definition) ............................. 309
Maximum tire load ......................... 307
Maximum tire load (definition) ....... 309
MOExtended tires.......................... 292
Index19

Optional equipment weight (defi-
nition) ............................................ 310
PSI (pounds per square inch) (def-
inition) ...........................................310
Replacing ....................................... 310
Service life ..................................... 291
Sidewall (definition) ....................... 310
Speed rating (definition) ................ 309
Storing ...........................................311
Structure and characteristics
(definition) ..................................... 308
Summer tires ................................. 292
Temperature .................................. 305
TIN (Tire Identification Number)
(definition) ..................................... 310
Tire bead (definition) ......................310
Tire pressure (definition) ................ 310
Tire pressures (recommended) ...... 309
Tire size (data) ............................... 315
Tire size designation, load-bearing
capacity, speed rating .................... 305
Tire tread ....................................... 291
Tire tread (definition) ..................... 310
Total load limit (definition) ............. 310
Traction ......................................... 304
Traction (definition) ....................... 310
Tread wear..................................... 304
Uniform Tire Quality Grading
Standards ...................................... 304
Uniform Tire Quality Grading
Standards (definition) .................... 309
Wear indicator (definition) ............. 310
Wheel rim (definition) .................... 309
see Flat tire
Top Tether............................................ 57
Tow-starting
Emergency engine starting ............ 287
Important safety notes .................. 284
Installing the towing eye ................ 285
Removing the towing eye ............... 286
Towing
Permitted towing methods ............ 287
Towing a trailer
ESP®(Electronic Stability Pro-
gram) ............................................... 67
Towing away
Important safety guidelines ........... 284
Installing the towing eye ................ 285
Notes for 4MATIC vehicles ............ 287
Removing the towing eye ............... 286
Transporting the vehicle ................ 287
With both axles on the ground ....... 286
With the front axle raised ............... 286
Towing eye......................................... 274
Traffic reports
see also Digital Operator's Man-
ual .................................................. 231
Transmission
see Automatic transmission
Transmission position display
(DIRECT SELECT lever)...................... 131
Transporting the vehicle.................. 287
Trim pieces (cleaning instruc-
tions).................................................. 271
Trip computer (on-board com-
puter).................................................. 182
Trip odometer
Calling up ....................................... 182
Resetting (on-board computer) ...... 183
Trunk
Emergency release .......................... 82
Emergency release button ............... 82
Important safety notes .................... 78
Opening (automatically from out-
side) ................................................. 79
Opening (from outside the vehi-
cle, HANDS-FREE ACCESS) .............. 80
Opening automatically from
inside ............................................... 81
Opening/closing (manually from
outside) ............................................ 79
Trunk lid
Display message ............................ 217
see Tailgate
Turn signals
Display message ............................ 204
Replacing bulbs (front) ................... 107
Switching on/off........................... 102
Two-way radio
Frequencies ................................... 317
Installation ..................................... 317
Transmission output (maximum) .... 317
Type identification plate
see Vehicle identification plate
20Index

Protecting the environment
General notes
HEnvironmental note
Daimler's declared policy is one of compre-
hensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet to be used sparingly and in a manner
that takes the requirements of both nature
and humanity into account.
You too can help to protect the environment
by operating your vehicle in an environmen-
tally responsible manner.
Fuel consumption and the rate of engine,
transmission, brake and tire wear are affected
by these factors:
Roperating conditions of your vehicle
Ryour personal driving style
You can influence both factors. You should
bear the following in mind:
Operating conditions:
Ravoid short trips as these increase fuel con-
sumption.
Ralways make sure that the tire pressures
are correct.
Rdo not carry any unnecessary weight.
Rremove roof racks once you no longer need
them.
Ra regularly serviced vehicle will contribute
to environmental protection. You should
therefore adhere to the service intervals.
Ralways have service work carried out at a
qualified specialist workshop.
Personal driving style:
Rdo not depress the accelerator pedal when
starting the engine.
Rdo not warm up the engine when the vehicle
is stationary.
Rdrive carefully and maintain a safe distance
from the vehicle in front.
Ravoid frequent, sudden acceleration and
braking.
Rchange gear in good time and use each gear
only up to