Mercedes-Benz 2012 C-Class User Manual

Display messages Possible causes/consequences and M Solutions
b
AUTO
Lamp Function
Inoperative
The light sensor is defective.
X
Visit a qualified specialist workshop.
b
Switch Off Lights
The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to c or Ã.
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual
Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R
visibility is impaired due to heavy rain, snow or fog.
X
Clean the windshield.
If the system detects that the camera is fully functional again, the
Adaptive Highbeam Assist Now Available display message
is shown.
Adaptive Highbeam Assist is operational again.
Engine
Display messages Possible causes/consequences and M Solutions
+
Check Coolant
Level See
Operator's Manual
The coolant level is too low.
X
Add coolant, observing the warning notes when doing so
(Y page 280).
X
If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop.
G
WARNING
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn
if it comes into contact with hot engine parts. You could be seriously burned.
!
The
coolant level is too low. Avoid making long journeys with too little coolant in the cooling
system. The engine will otherwise be damaged.
The display messages and the corresponding symbol that indicate that the coolant level is
too low must not be ignored.
Display messages
225
On-board computer and displays
Z
Information Provided by:

Mercedes-Benz 2012 C-Class Specifications

General

Brand	Mercedes-Benz
Model	2012 C-Class
Category	Automobile
Language	English

Summary

At a glance

Cockpit

Instrument cluster

Details on gauges, displays, and controls within the driver's instrument cluster.

Safety

Occupant safety

Information on vehicle restraint systems like seat belts, airbags, and child restraints.

Children in the vehicle

Guidelines for safely securing infants and children using child restraint systems.

Seats, steering wheel and mirrors

Correct driver's seat position

Guidelines for adjusting the seat, head restraint, and steering wheel for optimal driving.

Seats

Lights and windshield wipers

Exterior lighting

Operation of headlights, fog lamps, daytime running lamps, and lighting abroad.

Climate control

Overview of climate control systems

Operating the climate control system

Activating, deactivating, and using climate control features like cooling and defrosting.

Driving and parking

Driving

Essential information for safe and efficient vehicle operation.

Automatic transmission

Operation, shift ranges, drive programs, and kickdown for automatic transmission.

Refueling

Safety notes, fuel grade, and procedures for refueling the vehicle.

Parking

Safety notes and procedures for parking the vehicle, including engaging the parking brake.

Driving systems

Details on Cruise Control, DISTRONIC PLUS, ESP, EBD, and other driving assistance systems.

On-board computer and displays

Important safety notes

Displays and operation

Explanation of instrument cluster displays, coolant temperature, tachometer, and outside temp.

Menus and submenus

Display messages

Information on various display messages, their causes, and solutions for safety systems.

Warning and indicator lamps in the instrument cluster

Explanations of various warning and indicator lamps in the instrument cluster.

Maintenance and care

Engine compartment

Instructions for opening the hood and safety notes related to engine components.

Maintenance

Information on service interval display, messages, and resetting.

Breakdown assistance

Flat tire

Instructions for handling a flat tire, including preparing the vehicle and changing a wheel.

Battery

Jump-starting

Step-by-step instructions and safety warnings for jump-starting the engine.

Towing and tow-starting

Wheels and tires

Important safety notes

Warnings regarding tire condition, inflation, and replacement.

Operation

Tire pressure

Procedures for checking and setting tire pressure, including warnings and the TPMS.

Loading the vehicle

Maximum load rating

Changing a wheel