Page 122 of 197

120Driving and operatingPress m; control indicator m in
instrument cluster illuminates white.
Activation Accelerate to the desired speed and
turn thumb wheel to SET/-, the
current speed is stored and
maintained. Control indicator m in
instrument cluster illuminates green. Set speed is indicated on the display.
Accelerator pedal can be released.
Vehicle speed can be increased by
depressing the accelerator pedal. When the accelerator pedal is
released, the previously stored speed is resumed.
Cruise control remains activated
while gearshifting.
Increase speed
With cruise control active, hold thumb
wheel turned to RES/+ or briefly turn
to RES/+ repeatedly: speed
increases continuously or in small
increments.
Alternatively accelerate to the desired speed and store by turning to SET/-.
Reduce speed
With cruise control active, hold thumb wheel turned to SET/- or briefly turn to
SET/- repeatedly: speed decreases
continuously or in small increments.
Deactivation Press y; control indicator m in
instrument cluster illuminates white.
Cruise control is deactivated. Last
stored speed remains in memory for
later speed resume.
Automatic deactivation:
● Vehicle speed is below approx. 15 mph.
● The brake pedal is depressed.
● The clutch pedal is depressed for
a few seconds.
● The selector lever is in N.
● Engine speed is in a very low range.
● The Traction Control system or Electronic Stability Control is
operating.
Resume stored speed
Turn thumb wheel to RES/+ at a
speed above 15 mph. The stored
speed will be obtained.
Switching off
Press m, control indicator m in
instrument cluster extinguishes. The
stored speed is deleted.
Pressing L to activate the speed
limiter or switching off the ignition also switches off cruise control and
deletes the stored speed.
Page 138 of 197

136Vehicle careBrakesIn the event of minimum thickness of
the brake lining, a squealing noise
sounds during braking.
Continued driving is possible but
have the brake lining replaced as
soon as possible.
Once new brake linings are installed,
do not brake unnecessarily hard for
the first few journeys.
Brake fluid9 Warning
Brake fluid is poisonous and
corrosive. Avoid contact with eyes, skin, fabrics and painted surfaces.
The brake fluid level must be betweenthe MIN and MAX marks.
If fluid level is below MIN seek the
assistance of a workshop.
Brake and clutch fluid 3 170.
Vehicle battery
The vehicle battery is maintenance-
free provided that the driving profile
allows sufficient charging of the
battery. Short-distance-driving and
frequent engine starts can discharge
the vehicle battery. Avoid the use of
unnecessary electrical consumers.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Laying up the vehicle for more than
four weeks can lead to vehicle battery
discharge. Disconnect the clamp from
the negative terminal of the vehicle
battery.
Ensure the ignition is switched off
before connecting or disconnecting
the vehicle battery.
The anti-theft alarm siren must be deactivated as follows: Switch theignition on then off, disconnect the
vehicle's battery within 15 seconds.
Battery discharge protection 3 93.
Page 173 of 197

Service and maintenance171Additional engine oil additives
The use of additional engine oil
additives could cause damage and
invalidate the warranty.
Engine oil viscosity grades
The SAE viscosity grade gives
information of the thickness of the oil.
Multigrade oil is indicated by two
figures, e.g. SAE 5W-30. The first
figure, followed by a W, indicates the
low temperature viscosity and the
second figure the high temperature viscosity.
Select the appropriate viscosity grade depending on the minimum ambient
temperature 3 174.
All of the recommended viscosity
grades are suitable for high ambient
temperatures.
Coolant and antifreeze
Use only silicate-free long life coolant (LLC) antifreeze approved for thevehicle. Consult a workshop.
The system is factory filled with
coolant designed for excellent
corrosion protection and frost
protection down to approx. -36 °C. Innorthern countries with very low
temperatures the factory filled coolant
provides frost protection down to
approx. -50 °C. This concentration
should be maintained all year round.
The use of additional coolant
additives that intend to give additional
corrosion protection or seal against
minor leaks can cause function
problems. Liability for consequences
resulting from the use of additional coolant additives will be rejected.
Brake and clutch fluidOver time, brake fluid absorbs
moisture which will reduce braking
effectiveness. The brake fluid should therefore be replaced at the specified interval.
Page 192 of 197

190IndexAAccessories and vehicle modifications .......................... 131
Adjustable air vents ...................100
Airbag and belt tensioners ...........68
Airbag deactivation ................42, 68
Airbag label................................... 37 Airbag system .............................. 37
Air conditioning regular operation ................................ 101
Air conditioning system ................ 95
Air intake .................................... 101
Air vents...................................... 100
Antilock brake system ................ 114
Antilock brake system (ABS) .......70
Anti-theft alarm system ................25
Appearance care ........................166
Ashtrays ....................................... 61
Autostop ..................................... 106
B Battery discharge protection ........93
Battery voltage ............................. 81
Belts.............................................. 35
Bonnet ....................................... 133
Bonnet open ................................. 72
Brake and clutch fluid .................170
Brake and clutch system .............69
Brake assist ............................... 115
Brake fluid .................................. 136Brakes ............................... 114, 136
Breakdown.................................. 165
Bulb replacement ....................... 138
C Capacities .................................. 181
Catalytic converter .....................110
Central locking system ................21
Centre console storage ...............50
Centre high-mounted brake light 143
Changing tyre and wheel size ...155
Charging system .......................... 69
Child locks ................................... 23
Child restraint installation locations ................................... 45
Child restraints.............................. 43
Child restraint systems ................43
Cigarette lighter ........................... 61
City mode ................................... 118
Climate control ............................. 15
Climate control systems ...............94
Clock ............................................ 59
Code ............................................. 79
Collision damage repair ..............185
Control indicators.......................... 65
Control of the vehicle .................103
Controls ........................................ 57
Coolant and antifreeze ...............170
Cornering lights ............................ 89
Cruise control ...................... 72, 119
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