wheel bolt torque MERCEDES-BENZ A-CLASS HATCHBACK 2015 Owners Manual

LIM (variable SPEEDTRONIC) .........1
95
Overview .......................................... 31
PASSENGER AIR BAG ..................... .41
Reserve fuel .................................. .301
Seat belt ........................................ 292
Tyre pressure monitor ................... 304
Warning triangle ................................ 338
Washer fluid
Display message ............................ 290
Wheel and tyre combinations
Tyres .............................................. 374
Wheel bolt tightening torque ........... 372
Wheel chock ...................................... 369
Wheels
Changing a wheel .......................... 367
Changing/replacing ....................... 367
Checking ........................................ 359
Cleaning ......................................... 331
Emergency spare wheel ................. 389
Fitting a new wheel ........................ 371
General notes ................................ 372
Important safety notes .................. 358
Information on driving .................... 358
Removing a wheel .......................... 371
Storing .......................................... .368
Tightening torque ........................... 372
Wheel size/tyre size ..................... .372
Windowbag
Display message ............................ 268
Operation ......................................... 49
Windows
Cleaning ......................................... 331
see Side windows
Windscreen
Demisting ...................................... 144
Windscreen washer fluid
see Windscreen washer system
Windscreen washer system
Important safety notes .................. 403
Topping up ..................................... 327
Windscreen wipers
Display message ............................ 291
Problem (malfunction) ................... 134
Rear window wiper ........................ 130
Replacing the wiper blades ............ 130
Switching on/off ........................... 129
Winter driving
General notes ................................ 360 Winter operation
Slippery road surfaces ................... 191
Snow chains .................................. 361
Winter tyres
Limiting the speed (on-board com-
puter) ............................................. 251
M+S tyres ...................................... 360
Wiper blades
Cleaning ......................................... 332
Important safety notes .................. 130
Replacing (on the rear window) ..... 132
Replacing (windscreen) .................. 131
Wooden trim (cleaning instruc-
tions) ................................................. .335
Workshop
see Qualified specialist workshop Z
ZONE function Switching on/off ........................... 143 Index
21

X
Clean the wheel and wheel hub contact
surfaces.
X Place the new wheel on the wheel hub and
push it on.
X Tighten the wheel bolts until they are fin-
ger-tight.
Lowering the vehicle G
WARNING
The wheels could work loose if the wheel nuts and bolts are not tightened to the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
X Place the ratchet ring spanner onto the
hexagon nut of the jack so that the letters
AB are visible.
X Turn the ratchet ring spanner until the vehi-
cle is once again standing firmly on the
ground.
X Place the jack to one side. X
Tighten the wheel bolts evenly in a cross-
wise pattern in the sequence indicated ( :
to A). The specified tightening torque is
130 Nm .
X Turn the jack back to its initial position.
X Stow the jack and the rest of the vehicle
tools in the vehicle again.
X Mercedes-AMG vehicles and vehicles
with AMG equipment: insert the cover
into the outer sill.
X Check the air pressure of the newly fitted
wheel and adjust accordingly.
Observe the recommended tyre pressure
(Y page 362).
If you are driving with the emergency spare
wheel fitted, the tyre pressure loss warning
system or the tyre pressure monitor cannot
function reliably. Only restart the tyre pres-
sure loss warning system or tyre pressure
monitor when the defective wheel has been
replaced with a new wheel.
Vehicles with a tyre pressure monitor: all
fitted wheels must be equipped with func-
tioning sensors. Wheel and tyre combinations
General notes
! For safety reasons, Mercedes-Benz rec-
ommends that you only use tyres and
wheels which have been approved by
Mercedes-Benz specifically for your vehi-
cle.
These are specially adapted to the control
systems, such as ABS or ESP ®
and are
marked as follows:
R MO = Mercedes-Benz Original
R MOE = Mercedes-Benz Original Extended
(tyres featuring run-flat characteristics)
R MO1 = Mercedes-Benz Original (only cer-
tain AMG tyres)
Mercedes-Benz Original Extended tyres
may only be used on wheels that have been
specifically approved by Mercedes-Benz. 372
Wheel and tyre combinationsWheels and ty
res