2014 MERCEDES-BENZ C-CLASS SALOON wheel bolt torque

Warnings
Stickers .......................................... .42
Washer fluid
Display message ............................ 349
Wheel and tyre combinations
see Tyres
Wheel bolt tightening torque ........... 443
Wheel chock ...................................... 439
Wheels
Changing a wheel .......................... 437
Changing/replacing ....................... 438
Checking ........................................ 429
Cleaning ......................................... 399
Emergency spare wheel ................. 461
Fitting a new wheel ........................ 442
Fitting a wheel .............................. .438
Important safety notes .................. 428
Removing a wheel .......................... 442
Storing .......................................... .438
Tightening torque ........................... 443
Wheel size/tyre size ..................... .444
Windowbag
Display message ............................ 326
Operation ......................................... 53
Windows
Cleaning ......................................... 399
see Side windows
Windscreen
Demisting ...................................... 163
Windscreen washer fluid
see Windscreen washer system
Windscreen washer system
Notes ............................................. 476
Topping up ..................................... 394
Windscreen wipers
Problem (malfunction) ................... 148
Replacing the wiper blades ............ 145
Switching on/off ........................... 145
Winter operation
Important safety notes .................. 430
Radiator cover ............................... 392
Slippery road surfaces ................... 215
Snow chains .................................. 431
Summer tyres ................................ 430
Winter tyres
Limiting the speed (on-board com-
puter) ............................................. 313
M+S tyres ...................................... 430 Wiper blades
Cleaning ......................................... 400
Important safety notes .................. 145
Replacing ....................................... 145
Replacing (windscreen) .................. 146
Wooden trim (cleaning instruc-
tions) ................................................. .403
Workshop
see Qualified specialist workshop Index
23

X
Put hub cap :in position and turn the
centre cover clockwise until you feel and
hear hub cap :engage.
X Make sure that hub cap :is fitted
securely. Light-alloy wheel with aluminium hub cap
Vehicles with aluminium hub cap:
X To remove: take socket;and wheel
wrench =from the vehicle tool kit
(Y page 407).
X Position socket ;on hub cap :.
X Attach wheel wrench =to socket ;and
loosen hub cap :anti-clockwise.
X Remove hub cap :.
X To fit: before fitting, check hub cap :and
the wheel area for soiling and clean if nec-
essary.
X Put hub cap :in position and turn until it is
in the right position.
X Position socket ;on hub cap :.
X Attach wheel wrench =to socket ;and
tighten hub cap :.
The tightening torque must be 25 Nm.
i Note
that the hub cap should be tight-
ened to the specified torque of 25 Nm.
Mercedes-Benz recommends that you have the hub cap fitted at a qualified specialist
workshop. X
Using wheel wrench =, loosen the bolts on
the wheel you wish to change by about one full turn. Do not unscrew the bolts com-
pletely. The jacking points are located just behind the
front wheel arches and just in front of the rear wheel arches (arrows).
Vehicles with AMG equipment: to protect
the vehicle body, the vehicle has covers fitted next to the jacking points on the outer sills. X
Vehicles with AMG equipment: fold
cover ?upwards. Changing a wheel
441Wheels and tyres Z

approved for Mercedes-Benz vehicles and the
respective wheel. X
Clean the wheel and wheel hub contact
surfaces.
X Slide the wheel to be mounted onto the
centring pin and push it on.
X Tighten the wheel bolts until they are fin-
ger-tight.
X Unscrew the centring pin.
X Tighten the last wheel bolt until it is finger-
tight.
X Vehicles with a collapsible emergency
spare wheel: inflate the collapsible emer-
gency spare wheel (Y page 462).
Only then lower the vehicle.
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.
! Vehicles with a collapsible emergency
spare wheel: Inflate the collapsible emer-
gency spare wheel using the tyre inflation
compressor before lowering the vehicle.
The rim could otherwise be damaged. X
Turn the crank of the jack anti-clockwise
until the vehicle 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 tyre-
change tool kit in the boot again.
X 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 432).
If you are driving with the collapsible emer-
gency spare wheel fitted, the tyre pressure
loss warning system or the tyre pressure
monitor cannot function reliably. Only restart
the tyre pressure loss warning system/tyre
pressure monitor when the defective wheel
has been replaced with a new wheel.
Vehicles with a tyre pressure control sys-
tem: all fitted wheels must be equipped with
functioning sensors.
If you are driving with the emergency spare
wheel fitted, the tyre pressure loss warning
system cannot function reliably. Only restart
the tyre pressure loss warning system when
the defective wheel has been replaced with a
new wheel. Changing a wheel
443Wheels and tyres Z