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MAINTENANCE AND SERVICE
622•
Wash using a sponge, car washing detergent and plenty of lukewarm water.
• Clean the wiper blades with lukewarm soapsolution or car washing detergent.
• Dry the vehicle using a clean, soft chamois ora squeegee. Try not to let drops of water dryin strong sunlight. This could cause waterdrying stains that may need to be polishedout.
• In areas with heavy industrial emissions,more frequent washing of the vehicle's exte-rior is recommended.
• Tar spots from asphalt may remain even afterwashing. Use a tar remover to remove thesespots after washing the vehicle.
WARNING
Always entrust engine washing to a workshop. If the engine is hot, there is a risk of fire.
CAUTION
Dirty headlights do not work as well. Clean them regularly, e.g. when refueling. Do not use corrosive cleaners. Use water and a non-abrasive sponge.
NOTE
Exterior lighting such as headlights and tail- lights may develop temporary condensationon the inside of the lens. This is normal. Allexterior lighting is designed to resist this.Condensation is normally vented out of thelamp housing once the light has been lit forsome period of time.
CAUTION
• Make sure that the panoramic roof and sun shade are closed before washing thevehicle.
• Never use abrasive polishing agents onthe panoramic roof.
• Never use wax on the rubber sealsaround the panoramic roof.
CAUTION
Remember to remove dirt from the drain holes in the doors and sills after washing thevehicle.
Related information
• Cleaning the exterior (p. 620)
• Polishing and waxing (p. 621)
• Automatic car washes (p. 623)
• High-pressure washing (p. 624) •
Cleaning the wiper blades (p. 624)
• Cleaning exterior plastic, rubber and trim components (p. 625)
• Cleaning rims (p. 626)
• Corrosion protection (p. 626)
SPECIFICATIONS
* Option/accessory.
646
Fuel tank volume
The fuel tank's refillable volume is shown in the table below.
All models
Liter (approx.) 71
US gallons (approx.) 18.8
Related information
• Refueling (p. 442)
• Octane rating (p. 443)
Air conditioning specifications
The climate system in the vehicle uses a freon- free R134a refrigerant. For information regardingthe refrigerant, refer to the decal located on theinside of the hood.
The prescribed grades and volumes for fluids and lubricants in the air conditioning system areshown in the tables below.
A/C Decal
Decal for R134a
Refrigerant
Vehicles with R134a refrigerant
WeightPrescribed grade
750 g (1.65 lbs) 1000 g A
(2.20 lbs A
) R134a
A
Vehicles with A/C for the third row of seats *.
WARNING
The air conditioning system contains the refrigerant R134a under pressure. Serviceand repairs to the system should only be doneby an authorized workshop.
Compressor oil
VolumePrescribed grade
60 ml (2.03 fl. oz.) 80 ml A
(2.71 fl. oz. A
) PAG SP-A2
A
Vehicles with A/C for the third row of seats *.
Evaporator
CAUTION
The A/C system evaporator must never be repaired or replaced with a previously usedevaporator. The new evaporator must be certi-fied and labeled in accordance with SAEJ2842.
Related information
• Climate control system service (p. 586)
INDEX
661
tire sealing 550
Tread depth 549
tread wear indicator 531
winter tires 549
Tire sealing system 551
Tire tread 531
Tools 542Top tether anchors (child restraint sys- tems) 72
Total airing function 237, 255
Towbar 448 removable, attaching, installing, mount-
ing 448
removable, removing, detaching 448
Towing 453
Towing capacity and towball load 642
Towing eyelet 454
TPMS - Tire Pressure Monitoring System 537
Traction control 272
Traffic information 471
Trailer 451 driving with a trailer 449
Lamps 452
swaying 451
Trailer Stability Assist 451 trailer 451
Trailer stabilizer 272 Trailer towingtrailer hitch 448
Transmission 417 automatic 418
Transmission fluid grade 645
Travel Link 480 Fuel 483
Notifications 482
Sports 484
weather 481
Tread depth 531, 549
Tread wear indicator 531
Trip computer 89, 91
Trip odometer 89
Trip odometer resetting 92
Trip statistics 92 Troubleshooting Adaptive Cruise Control 305
Troubleshooting the camera sensor 330
TSA - Trailer Stability Assist 272, 451
Tunnel detection 157
Turn off engine 406
Turn signals 160Type approval radar system 328
U
Uniform Tire Quality Grading 534
Units 134
Unknown vehicle component 268Unlockingsettings 240
with key blade 249
USB socket for connecting media 492
V
Vehicle care 620, 621, 623, 624, 625, 626
leather upholstery 618
Vehicle Event Data 33 Vehicle functions in the center display 124
Vehicle key bat. low 242 Vehicle modem connecting vehicle to Internet 510
settings 511
Vehicle recovery 455
