Mercedes Warning Lights

There are various types of Mercedes warning lights. Here’s a short list of common warning lights and how they should be handled:

ABS Light

abs-warning-light | German Car Depot

Stands for Anti-Lock Brake System that is deactivated because of malfunction. This can continue to normally function without the interference of Electronic Stability Program, Electronic Brake-Force Distribution, Brake Assist, and Hill Start.

Airbag Light

airbag warning light | German Car Depot

Malfunction in the Supplemental Restraint System which can potentially affect an airbag to inescapably deploy during an accident. Hence, it’s recommended to bring the car to any repair facility that works on Mercedes.

Brake Light

brake-light-warning | German Car Depot

The parking brake is on or another brake problem could be occurring.


Coolant Light

water-temp-light | German Car Depot

Red coolant light can be seen when there’s too low coolant level or when the temperature of the coolant is over 200 degrees. Do not drive your car since the engine can be significantly damaged. Never open the coolant cap when engine is hot.

Engine Light image | German Car Depot

Check Engine Light function light could mean an error with a control module, sensor coil, ignition system, fuel system, exhaust system, or fuel injection system. Modern Mercedes have about 50 control modules with thousands of possible codes. The engine can go into limp home emergency mode and car will drive slowly or stop completely.

ESP or ESC Lightskid warning light | German Car Depot Electronic Stability Program or Electronic Stability Control is deactivated. It will not make the car stable once it begins to skid or if the wheels are spinning. Most cars have an ESC button and this appears within a yellow triangular shape, the ESC has intervened due to skidding risk.

Gas Light

Fuel is at low level or the pressure in fuel system is too low. Fuel-filler cap may not correctly close or there is leak in the fuel system.glow-plug-light | German Car Depot


Seat Belt Indicator

seat-belt-light | German Car Depot

The warning lamp for seat belt tells you to fasten your seat belt. Also, if you are driving over 15 mph, you will hear a warning alert.

Tire Pressure Light

low-tire-warning-light | German Car Depot

Insufficient pressure in the car tires or it has significantly dropped. The best thing to do is to stop and check your tires.

Traction Off Light

traction control light | German Car Depot

ESP or ESC system is deactivated. It won’t stabilize your car if it skids or the wheels start to spin. You can reactivate the ESC system or immediately bring it to auto service.

Battery Light

battery-light | German Car Depot

Battery isn’t charging which is possibly caused by a faulty alternator, vehicle electronics malfunction or a broken belt.

Brake Wear

brake-light-warning | German Car Depot

Brake pads have reached the wear limit making it necessary for replacement.


light-bulb-warning-light | German Car Depot

A light bulb which may also accompany a message seen on your dashboard which states the particular light that has failed.

Steering Wheel

steering-warning-light 50 × 41 | German Car Depot

Power steering support is broken down so you need to utilize more force in steering the vehicle. You may also hear an audible warning tone.

Glow Plug

glow-plug-light | German Car Depot

Diesel engines need heat within the cylinders in order to efficiently operate. Supplied by the glow plugs once the engine system is cold. This light illuminates when ignition is started while heating the plugs for quick engine start. The images you will see appear like loops or the coil is yellow or amber in color.

DEF / AdBlue

DEF light | German Car Depot

Diesel Exhaust Fluid which produces catalytic reaction which eliminates exhaust particles.

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