Mercedes-Benz GL-Class 2013 Owners Manual - Manual (Page 22)

Tread wear ..................................... 416
TWR (permissible trailer drawbar
noseweight) (definition) ................. 423
Uniform Tire Quality Grading
Standards ...................................... 415
Uniform Tire Quality Grading
Standards (definition) .................... 421
Unladen weight (definition) ............ 422
Wear indicator (definition) ............. 423
Wheel rim (definition) .................... 421
see Flat tire
Top Tether ............................................ 63
Towing
Important safety guidelines ........... 393
Installing the towing eye ................ 394
Removing the towing eye ............... 395
Towing a trailer
Active Parking Assist ..................... 225
Axle load, permissible .................... 449
Cleaning the trailer tow hitch ......... 376
Coupling up a trailer ...................... 260
Decoupling a trailer ....................... 262
Driving tips .................................... 257
ESP ® (Electronic Stability Program) . 72
Important safety notes .................. 257
Installing the ball coupling ............. 259
Mounting dimensions .................... 448
Power supply ................................. 264
Pulling away with a trailer .............. 166
Removing the ball coupling ............ 263
Shift range ..................................... 172
Storing the ball coupling ................ 263
Trailer drive program ..................... 249
Trailer loads ................................... 449
Towing away
With both axles on the ground ....... 395
Tow-starting
Emergency engine starting ............ 396
Important safety notes .................. 393
Trailer coupling
see Towing a trailer
Trailer loads and drawbar
noseweights ...................................... 263
Trailer towing
Active Blind Spot Assist ................. 244
Active Lane Keeping Assist ............ 247
Blind Spot Assist ............................ 239
PARKTRONIC ................................. 220
Permissible trailer loads and
drawbar noseweights ..................... 263
Transfer case ..................................... 177
Transmission
see Automatic transmission
Transmission position display ......... 169
Transmission position display
(DIRECT SELECT lever) ...................... 169
Transporting the vehicle .................. 395
Traveling uphill
Brow of hill ..................................... 195
Driving downhill ............................. 195
Maximum gradient-climbing
capability ....................................... 195
Trim pieces (cleaning instructions) . 378
Trip computer (on-board computer) 271
Trip odometer
Calling up ....................................... 270
Resetting (on-board computer) ...... 272
see Trip odometer
Trunk
see Tailgate
Turn signals
Display message ............................ 299
Switching on/off ........................... 127
TWR (Tongue Weight Rating)
(definition) ......................................... 423
Type identification plate
see Vehicle identification plate
U
Unlocking
Emergency unlocking ....................... 86
From inside the vehicle (central
unlocking button) ............................. 85
V
Vanity mirror (in the sun visor) ........ 346
Vehicle
Correct use ...................................... 28
Data acquisition ............................... 29
Display message ............................ 316
Equipment ....................................... 24
Individual settings .......................... 278
Limited Warranty ............................. 29
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