The warning and indicator lamps indicate various warnings , faults or certain functions. Some warning and indicator lamps light up when the ignition is switched on and should go out once the engine is running or the vehicle is in motion.
Depending on the vehicle equipment level, additional text messages can appear in the instrument cluster display to provide further information or to prompt you to perform certain tasks .
Depending on the vehicle equipment level, symbols may be displayed in the instrument cluster instead of warning lamps.
Acoustic warning signals sound when some warning or indicator lamps light up.
Symbol | Meaning | See |
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![]() When this mesage appears, the door(s), tailgate or bonnet are open or not closed properly. |
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Central warning lamp: observe the additional information in the instrument cluster display. | – |
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![]() Electronic parking brake switched on. |
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![]() Brake fluid level too low or fault in the brake system. |
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![]() Coolant level too low, coolant temperature too high or coolant level system faulty. |
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![]() Engine oil pressure too low.a) |
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Flashing: ![]() |
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Lit up: electromechanical steering not functioning. | ||
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Brake or take avoiding action! Collision warning from the area monitoring system (Front Assist).a) | |
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Driver or front passenger seat belt not fastened. | |
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Depress the brake pedal. | Changing
gear ACC |
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Alternator fault.a) | |
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Central warning lamp. Observe the additional information in the instrument cluster display. | – |
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Brake pads worn. |
Infotainment system Brakes |
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Lighting up: fault in ESC or switched off by the system. OR: the vehicle battery has been reconnected. |
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Flashing: ESC/TCS is taking corrective action. | ||
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TCS switched off manually. OR: TCS and ESC switched off manually. |
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ABS faulty or not functioning. | |
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Electronic parking brake fault.a) | |
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The rear fog light is switched on. | |
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Partial or complete fault in the vehicle lightingb), excluding bend lighting. a) | |
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Fault in catalytic converter. |
Starting the engine engine management system, exhaust gas purification |
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Lit up: glow period for a diesel engine. | |
Flashing: fault in engine management system. | ||
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Fault in engine management system. | |
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Diesel particulate filter has become saturated with soot.a) | |
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Fault in steering system. | |
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Tyre pressure too low or tyre monitoring system fault. | |
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Windscreen washer fluid level too low.a) | |
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Fuel tank almost empty. | |
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Flashing: engine oil system fault.a) | |
Lit up: engine oil level too low.a) | ||
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Fault in airbag and belt tensioner system. | |
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Front passenger front airbag switched off (PASSENGER
AIR BAG ![]() ![]() ![]() ![]() |
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Front passenger front airbag switched on (PASSENGER
AIR BAG ![]() ![]() ![]() |
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The tank cap is not closed properly.a) | |
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Lane departure warning system (Lane Assist) switched on, not active. | |
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Adaptive Cruise Control (ACC) currently not available.a) | |
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Gearbox fault.a) | |
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Turn signal left or right. | |
Hazard warning lights switched on. | ||
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Trailer turn signals | |
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Lit up: depress the brake pedal. |
Starting engine , Changing gear Brakes . |
Flashing: the lock button in the selector lever is not engaged. | ||
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The vehicle is being held by the brake system. | Brakes
, Pull-away assist systems |
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Lit up: the cruise control system (CCS) is switched on. | |
Lit up: the Adaptive Cruise Control (ACC) is active. | ||
Lit up: the speed limiter is switched on, active. | ||
Flashing: the set speed of the speed limiter has been exceeded. | ||
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Lane departure warning system (Lane Assist) is switched on and active. | |
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Main beam is switched on or the headlight flasher is being operated. | |
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ACC is active. No vehicle has been detected ahead. | |
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When displayed in white: ACC active. Vehicle detected ahead. | |
When displayed in grey: ACC not active. System switched on, does not regulate: | ||
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Main beam assist switched on. | |
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Service reminder / service due. | |
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Mobile telephone battery charge level. Only if activated for factory-fitted provision for mobile telephone. | ⇒ BookletNavigation
system, or ⇒ BookletRadio, navigation system, |
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Black ice warning. The outside temperature is below +4°C (+39°F). | |
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The start/stop system is available. The engine is switched off automatically. | |
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The start/stop system is not available. OR: the engine has been started automatically. |
WARNING
NOTICE
a) Displayed in colour on an instrument cluster with colour display.
b) A separate display appears in the instrument cluster if there is a bend lighting fault.
Removing and installing A-pillar gap cover
Note
Removal and installation are described for the left
vehicle side. Follow same instructions for the right side as
appropriate.
Special tools and workshop equipment
required
...
Relay carrier, fuse carrier in dash panel/A-pillar, LHD vehicles
1 -
Bracket
For parking aid control unit -J446-/park assist steering control
unit -J791-
Removing and installing
→ Chapter
2 -
Bracket
For onboard supply control unit -J519-
...
Assembly overview - FS III front brake
Note
After every brake pad change, depress brake pedal firmly several
times with vehicle stationary, so that brake pads are properly seated in
their normal operating position.
Use the brake filling and bleeding equipment -VAS 5234- to draw off
brake ...