Changing a wheel
CllJ Introduction
This chapter contains information on the following subjects:
Preparations for changing a wheel . . . . . . . . . 420
Wheel bolts . . . . . . . . . . . . . . . . . . . 421
Lifting the vehicle with the jack . . . . . . . . . . . . 423
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . . 424
After changing a wheel . . . . . . . . . . . . . 425
Some models are delivered without a factory-fitted jack or box spanner. If this is the case, the wheel should be changed by a qualified workshop.
The vehicle jack supplied with the vehicle is only designed for changing a wheel when one vehicle tyre is damaged and has to be replaced. Seek ex-pert assistance if both tyres on one side of the ve-hicle, both tyres on one axle, or all tyres are dam-aged.
Only change the wheel yourself when the car is parked in a safe place, you are familiar with the necessary steps and safety procedures and you have access to all the correct tools. Seek expert assistance if this is not the case.
Additional information and warnings:
• Exterior views =>page 5
• Vehicle key set =>page 36
• Tyre monitoring system =>page 318
• Wheels and tyres =>page 367
• In an emergency =>page 411
• Vehicle tool kit =>page 416
• Hubcaps =>page 417
Preparations for changing a wheel
1"1'11 First read and observe the introductory L-1o:.U information and safety warnings & on page 420.
Checklist
The following actions must always be carried out in the given order in preparation for changing the wheel=>&:
1. In the event of a flat tyre, park your vehicle on a firm and level surface at a safe dis-tance from the flow of traffic.
2. Apply the handbrake =>page 269.
420 I If and when
A wARNING
Changing a wheel can be dangerous, espe-cially when carried out at the side of a road. Please note the following steps in order to re-duce the risk of serious injuries:
• Stop the vehicle as soon as possible and when safe to do so. Park the vehicle at a safe distance from moving traffic in order to carry out the wheel change.
• All passengers and children in particular must be at a safe distance and away from your area of work during the wheel change.
• Switch on the hazard warning lights to warn other road users.
• Check that the surface the vehicle Is parked on Is level and firm. If necessary use a large, strong board or similar support for the vehicle jack.
• Only change the wheel yourself if you feel confident carrying out the procedure. If not, seek expert assistance.
• Always use suitable and undamaged tools to change the wheel.
• Always switch off the engine, apply the handbrake and move the selector lever to the position P or select a gear on a manual gear-box in order to reduce the risk of unintended vehicle movement.
• The wheel bolt tightening torque should be checked with a torque wrench immediately after changing a wheel.
4. Stop the engine and remove the key from the ignition =>page 257.
5. Manual gearbox: select a gear =>page 260.
6. Make sure all vehicle occupants exit the ve-hicle and move to safety, for instance be-hind the safety barrier.
7. Chock the wheel diagonally opposite the wheel being worked on with a stone or a similar object. ""
Contents of the breakdown set
Fig. 302 The breakdown set.
r--T'n First read and observe the introductory L-L::.U information and safety warnings & on page 425.
The breakdown set consists of the following com-ponents 302:
Preparation
r--T'n First read and observe the introductory L-L::.U information and safety warnings & on page 425.
The steps should only be carried out in the speci-fied order.
Checklist
The following actions must always be carried out in the given order in preparation for filling a tyre &:
1. If you get a flat tyre, park your vehicle on a firm and level surface at a safe distance from the flow of traffic.
2. Apply the handbrake firmly 269.
3. With a DSG® dual clutch gearbox, move the selector lever to position P 260.
4. Manual gearbox: select a gear 263.
5. Stop the engine and remove the key from the ignition 257.
6. Ensure that all vehicle occupants exit the vehicle and go straight to a safe place, e.g. behind the safety barrier.
1) Could also be integrated in the compressor.
CD Valve core extractor
® Sticker with the maximum permitted speed "max. 80 km/h" or "max. 50 mph"
@ Filler hose with plug
@ Air compressor
® Tyre filler hose
® Tyre pressure display 1 l
0 Air bleed screw2l
® On/off switch
® 12-volt plug
@ Tyre filler bottle with sealant1l
® Spare valve core
There is a slot on the lower end of the valve insert extractor CD for the valve insert. This is required for extracting and fitting the tyre valve. This also applies to the spare valve core @.
8. Check whether the puncture can be re-paired with the breakdown set 425.
9. When towing a trailer, unhitch the trailer from the vehicle and park it properly.
10. Remove any items of luggage from the lug-gage compartment.
11. Take the breakdown set out of the luggage compartment.
12. Take the sticker 302 ®from the breakdown set and stick it on the dash pan-el within the driver's field of vision.
13. Do not remove foreign objects (e.g. screws or nails) from the tyre.
A WARNING
Ignoring any of the items on this important safety checklist can lead to accidents and se-vere Injuries. ,..
2) This function may be carried out by a button in the compressor instead.
Practical tips 427
A WARNING (Continued)
• Never fit fuses that have a higher fuse pro-tection limit. Fuses must always be replaced by a new fuse with the same amp rating (same colour and markings) and size.
• Never repair a fuse.
• Never use a metal strip, paper clip or simi-lar objects to replace a fuse.
Fuse box in the dash panel
Fig. 303 At the bottom of the centre console: fuse box cover.
r-f"'n First read and observe the introductory information and safety warnings & on page 429.
Opening and closing the fuse box in the dash panel
• Grasp into the recess =>Fig. 303 (arrow), and carefully open the cover.
• Carefully pull the cover out of the mountings, and remove it.
• When fitting the cover. first insert it into the mountings and then engage it on the opposite side.
430 If and when
CD
• To avoid damage to the electrical system in the vehicle, switch the Ignition, the lights and all electrical consumers off and remove the ve-hicle key from the ignition before changing a fuse.
• You can damage another position In the electrical system by using a fuse with a higher amp rating.
• Fuse boxes must be protected from dirt and moisture when opened. Dirt and moisture In the fuse boxes can damage the electrical system. <1
CD
• Remove the covers for the fuse boxes care-fully and fit them again properly so as to avoid damage to the vehicle.
• Fuse boxes must be protected from dirt and moisture when opened. Dirt and moisture in the fuse boxes can damage the electrical system.
m This chapter does not refer to all the fuses in W the vehicle. These should be changed only by a qualified workshop. <1
Fig. 304 In the engine compartment: fuse box cover.
;-('n First read and observe the introductory L-Jc.IJ information and safety warnings & on page 429.
Opening the fuse box in the engine compartment
• Open the bonnet .1. =<>page 350.
• If necessary, remove the battery cover. Turn the quick release catches go• .1. =<>page 362.
Changing a blown fuse
Fig. 305 A blown fuse.
;-('n First read and observe the introductory L-Jc.IJ information and safety warnings & on page 429.
• Lift out the partition =<>Fig. 304 0).
• Turn both quick release catches go•.
• Hold the fuse cover@ at the front. and fold it upwards.
Closing the fuse box in the engine compartment
• Close the fuse cover and turn both quick re-lease catches.
• Insert partition. Make sure that the two grooves of the partition fit securely into the rib on the fuse cover and the rib on the vertical partition.
CD
• Remove the covers for the fuse boxes care-fully and fit them again properly so as to avoid damage to the vehicle.
• Fuse boxes must be protected from dirt and moisture when opened. Dirt and moisture in the fuse boxes can damage the electrical system.
m This chapter does not refer to all the fuses in L!J the vehicle. These should be changed only by a qualified workshop.
Preparation
• Switch off the ignition, the lights and all electri-cal consumers.
• Open the appropriate fuse box =<>page 430. .,..
Practical tips I 431
A WARNING
Changing the bulb incorrectly can cause ac-cidents and serious Injuries.
• When working In the engine compartment, always read and observe the safety warnings =>page 350. The engine compartment of any motor vehicle Is a dangerous area. Serious Injuries can be sustained here.
• Halogen bulbs are pressurised and could explode when they are being changed.
• Only change the defective bulb once it has had time to cool down completely.
• Never change a bulb unless you are famili-ar with the procedure. If you are uncertain of what to do, the work should be carried out by a qualified workshop.
Indicator lamp
r--f"n First read and observe the introductory L-.J,:.lJ Information and safety warnings & on page 432.
Lit up Possible cause
A bulb in the exterior lighting has failed.
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will go out after a few seconds.
A WARNING
Failure to observe illuminated warning lamps and text messages can lead to your vehicle breaking down In traffic, and can cause acci-dent and serious Injury.
• Never ignore any illuminated warning lamps or text messages.
Information on changing bulbs
r--f"n First read and observe the introductory L-.J,:.lJ Information and safety warnings & on page 432.
A WARNING (Continued)
• Do not touch the glass part of the bulb with unprotected fingers. When the light is switched on, heat will cause fingerprints to evaporate on the bulb, which In turn will cause the reflector to dim.
• There are sharp-edged parts In the head-light housing In the engine compartment and on the tall light cluster housing. Protect your hands when changing bulbs.
CD
Damage to the electrical system can be caused by water entering the system if the rubber cov-ers or plastic caps on the headlight housing are not properly mounted after a bulb has been changed.
If bulbs of the exterior lighting fail, an indicator lamp lights up in the instrument cluster.
Solution
Change the defective bulb.
A WARNING (Continued)
• Stop the vehicle as soon as possible and when safe to do so.
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Failure to observe Illuminated indicator lamps and text messages can lead to your vehicle be-ing damaged.
m if an individual light emitting diode (LED) in W the exterior lighting fails, no warning is given. If all LEDs fail, this is indicated by the indicator lamp*··
Checklist
Always carry out the following actions for changing a bulb in the given order => &:
1. Park the vehicle on a firm and level surface at a safe distance from the flow of traffic.
2. Apply the handbrake firmly =>page 269. .,..
Practical tips I 433
Checklist (Continued)
3. Turn the light switch to position o 106.
4. Shift the tu m signal lever to neutral 106.
5. With a DSG® dual clutch gearbox, move the selector lever to position P 260.
6. Manual gearbox: select a gear 263.
7. Stop the engine and remove the key from the ignition 257.
8. Switch off the orientation lighting 106.
9. Leave the defective bulbs to cool down.
10. Check to see if a fuse has blown 429.
11. Follow the instructions to change the affec-ted bulb Always use identical bulbs of the same type. The designation is inscribed on the bulb, either on the glass part or on the base.
12. Do not touch the glass part of the bulb with unprotected fingers. The heat of the bulb would cause the fingerprint to evaporate and condense on the renector. This will im-pair the brightness of the headlight.
LED lights on the vehicle
r--f'n First read and observe the introductory L-I=J.I information and safety warnings & on page 432.
Depending on the vehicle equipment, the following lights may be LED lights:
• Dipped beam, main beam, daytime running lights and side lights on vehicles with LED head-lights.
• Tail light, brake light and fog light on vehicles with LED tail lights.
• Number plate lights.
434 If and when
13. After changing the bulb, check to ensure that the bulb is working properly. If the bulb is not working properly, the bulb may not have been inserted properly or may have failed again, or the connector may have been inserted incorrectly.
14. Any time you change a bulb in the front of the vehicle, the headlight settings should be checked by a qualified workshop.
A WARNING
Ignoring any of the items on this important safety checklist can lead to accidents and se-vere Injuries.
• Always follow the instructions in the checklist and observe the general safety pro-cedures.
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Always take care when removing or fitting lights in order to prevent damage to the paint-work or to other vehicle parts. <1
Owners cannot replace the LEDs themselves. If some LEDs fail, this may be an indication that more elements are on the point of failure. If this happens, have the lights checked and replaced if necessary at a qualified workshop.
r'l11 First read and observe the Introductory L-J,:.,U Information and safety warnings & on page 443.
CD Vehicle with discharged battery that is being jump-started.
@ Vehicle with vehicle battery that is supplying power and jump-starting the other vehicle.
@ Suitable earth connection. A solid metal part that is firmly bolted to the engine block, or the engine block itself.
The discharged vehicle battery must be properly connected to the vehicle's electrical system.
The vehicles must not touch. Otherwise electricity could flow as soon as the positive terminals are connected.
Ensure that the battery clamps have good metal-to-metal contact with the battery terminals.
If the engine does not start immediately, switch off the starter after about 10 seconds and try again af-ter about half a minute.
The steps should only be carried out in the speci-fied order.
Attaching the jump leads
• Switch off the ignitions In both vehicles 257.
• If necessary, open the battery cover in the en-gine compartment 362.
• Connect one end of the red jump lead to the positive terminal 318 E) or 319 E) of the vehicle with the discharged battery CD &.
• Connect the other end of the red jump lead to the positive terminal E) In the vehicle providing as-sistance@.
• In vehicles without start/stop system: con-nect one end of the black jump lead to the negative terminal 0 in the vehicle providing assistance @ 318.
• In vehicles with start/stop system: connect one end of the black jump lead @to a suitable earth connection, to a solid metal part which is se-curely bolted onto the cylinder or to the cylinder block itself =:-Fig. 319.
• Connect the other end of the black jump lead @ to a solid metal component that is bolted firmly to the engine block of the vehicle with the flat bat-tery, to the engine block itself or, if necessary, to the screwed-in towing eye at the front. Do not con-nect it to a point near the battery CD &.
• Position the leads in such a way that they can-not come into contact with any moving parts in the engine compartment.
Starting the engine
• Start the engine of the vehicle which is provid-ing assistance and let it run at idle.
• Start the engine of the car with the discharged vehicle battery and wait two or three minutes until the engine is running "smoothly".
Removing the jump leads
• Before disconnecting the jump leads, switch off the dipped beam headlights If they are switched on.
• Turn on the heater blower and rear window heater in the vehicle battery with the discharged battery. This helps minimise the voltage peaks generated when the leads are disconnected.
• With the engines running, disconnect the jump leads in the exact reverse order to the instructions given above.
A WARNING
Jump starting the vehicle Incorrectly can cause the battery to explode, which can lead to serious injuries. Please note the following In order to reduce the risk of the battery ex-ploding:
• All work on the vehicle battery and the electrical system can cause serious chemical burns, fire or electric shocks. Always read the warnings and safety Information before carrying out any kind of work on the vehicle battery 362, Vehicle battery.
• Always wear suitable eye protection and never lean over the vehicle battery.
• Attach the connector cables In the correct order-the positive cable first, followed by the negative.
• Never connect the negative cable to parts of the fuel system or to the brake lines.
• The non-insulated parts of the battery clamps must not be allowed to touch. The jump lead attached to the positive vehicle battery terminal must not touch metal parts of the vehicle.
• Check the battery window using a torch If necessary. If the display Is light yellow or col-ourless, do not jump start the vehicle. Seek expert assistance.
• Avoid electrostatic discharge In the vicini-ty of the vehicle battery. The gas emitted from the vehicle battery could be Ignited by sparks.
• Do not use jump leads to start the engine If the vehicle battery Is damaged or if it is or has ever been frozen.
Tow-starting and towing
0::0 Introduction
This chapter contains information on the following subjects:
Notes on tow-starting . . . . . . . . . . . . . . . . . . . . 446
Notes on towing . . . . . . . . . . . . . . . . . . . . . . . . . 447
Fitting the towing eye at front . . . . . . . . . . . . 448 Notes on driving while towing . . . . . . . . . . . . . . 448
Observe any legal requirements when towing.
For technical reasons, vehicles with a dis-charged battery must not be tow-started.
Towing a vehicle when the engine is switched off and the ignition is switched on discharges the vehi-cle battery. Depending on the vehicle battery charge level, the drop in voltage can be large enough after just a few minutes that electrical con-sumers in the vehicle will no longer function, e.g. the hazard warning lights.
Additional information and warnings:
• Exterior views =>page 5
• Changing gear =>page 257
• Engine management system and exhaust puri-fication system =>page 407
• Jump starting =>page 443
A wARNING
Never tow a vehicle that has no power sup-ply.
• Never remove the key from the ignition. The steering lock may be activated and you will no longer be able to steer the vehicle. This can lead to a loss of control of the vehi-cle, accidents and serious injuries.
Notes on tow-starting
t""""("'n First read and observe the introductory L-.lc:.JJ information and safety warnings & on page 446.
Vehicles should not be tow-started wherever possible. Use jump leads to start the engine in· stead =>page 443.
For technical reasons, the following vehicles can-not be tow-started:
4461 If and when
A WARNING (Continued)
• If the power supply to the towed vehicle is disconnected, stop towing immediately and seek expert assistance.
A WARNING
If a vehicle is being towed, the vehicle han-dling and braking effect will change signifi-cantly. Please note the following in order to reduce the risk of an accident or serious inju-ries:
• Notes for the driver of the towed vehicle:
-You will need to depress the brake ped-al more vigorously than normal as the brake servo is not working. Always be careful not to drive Into the vehicle that is pulling your vehicle.
-You will need to turn the steering wheel more vigorously as the power-assisted steering function Is not working.
• Notes for the driver of the towing vehicle
-Accelerate carefully and gently.
-Avoid sudden braking and driving ma· noeuvres.
-Brake earlier than normal by pressing lightly on the brake pedal.
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• Remove and install the cover and the tow-ing eye carefully so as to avoid damage to the vehicle, e.g. the palntwork.
• Unburnt fuel can enter the catalytic convert· er and damage it while the vehicle Is being tow-ed.
• If the vehicle battery has discharged, the en-gine control units will not function properly.
However, if the vehicle still has to be tow-started (manual gearbox):
• Engage second or third gear.
• Keep the clutch pressed down.