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Mercedes M Class W163 Dashboard Light Symbols

Dashboard warnings on your Mercedes M Class W163 depend on the Mercedes Problem. It could be an indicator light for ABS, airbag, engine light or something else. There are many reasons why the dashboard shows warning lights and below is a list of the lights on the dashboard. You might need to buy a scanner online which will show Mercedes trouble codes & reset the warning light for good! This information can also be found in the Mercedes W163 owners PDF manual.
If you need to reset a dashboard light or diagnose a fault on your Mercedes M Class we would recommend the i980 iCarsoft kit.

If you need a new sensor to fix your Mercedes M Class such as ABS sensor, MAF, camshaft & crankshaft, visit www.bavariandominator.co.uk.

Mercedes M Class W163 check engine warning light - the check engine symbol lamp will illuminate when there is a serious error in the engine system and needs to be diagnosed ASAP. You can diagnose the fault by using either the i980 iCarsoft kit diagnostic kit whch will allow you to find and clear faults fast. Generally, this could be illuminated because of a fault sensor such as camshaft, crankshaft, Mass airflow meter or ignition coil.

Mercedes M Class W163 SRS airbag warning light - this is the SRS airbag lamp symbol on the Mercedes M class and indicates that the airbag system has a fault. It could be something simple such as a loose connection, or faulty sensor, or it could be something more serious, like the airbag needing to be replaced after accident deployment. You can diagnose the fault location & clear the fault by using the following diagnostic tools. The handheld kit is the i980 iCarsoft kit. If your SRS light is illuminated for a UK MOT it will fail, so you should make steps to remove the light before test.

Mercedes M Class W163 ABS warning light - the ABS symbol lamp on this W163 will illuminate if there is a problem with the module, pump or ABS sensors. The most likely cause of this illuminating is a faulty ABS sensor which is cheap to replace. Worst case scenario is that you need to change the module or pump. You can diagnose your ABS system fault by using one of the following kits. The best handheld kit is the i980 iCarsoft kit. If you present your W163 for a UK MOT with the ABS light showing it will fail, so you need to fix this problem before you take it for test.

Mercedes M Class W163 steering wheel warning light - the steering wheel lock indicator lamp in the instrument cluster comes on with the key in steering lock position 2 and should go out with the engine running. If the indicator lamp does not go out after starting the engine, the adjustable steering column is not properly locked.

Mercedes M Class W163 seatbelt warning light - this symbol indicates that one or more passenger has not fastened their seatbelt. Ensure everybody has buckled up before you fire up.

Mercedes M Class W163 LOW RANGE warning light - the yellow LOW RANGE symbol lamp in the instrument cluster comes on with the key in steering lock position 2. With the LOW RANGE mode deactivated it should go out with the
engine running. With the LOW RANGE mode activated the LOW RANGE indicator lamp is illuminated continuously. If the indicator lamp blinks fast, one or more switching conditions were not observed, or the LOW RANGE mode is defective.

Mercedes M Class W163 FSS A warning light (flexible service system)

Mercedes M Class W163 FSS B warning light (flexible service system)

Mercedes M Class W163 ETS warning light - the ETS warning light symbol in the instrument cluster comes on with the key in steering lock position 2. It should go
out with the engine running. If the ETS malfunction indicator lamp remains illuminated with the engine running a malfunction has been detected.

Mercedes M Class W163 ESP triangle warning light ! - the yellow triangle ! warning lamp in the speedometer dial comes on with the key in steering lock position 2. It should go out with engine running.

Mercedes M Class W163 oil level warning light - the oil level symbol lamp With the key in steering lock position 2, the comes on and should go out when the engine is running. If the warning lamp does not go out after starting the engine, or comes on with the engine running and at operating temperature, the engine oil level has dropped to approximately the minimum mark on the dipstick.

When this occurs, the warning lamp will first come on intermittently and then stay on if the oil level drops further. If no oil leaks are noted, continue to drive to the nearest service station where the engine oil should be topped to the “full” mark on the dipstick with an approved oil. The low engine oil level warning light should not be ignored. Extended driving with the light illuminated could result in serious engine damage.

Mercedes M Class W163 coolant warning light - if the coolant level symbol lamp comes on while driving, then the coolant level has dropped below the required level, or the coolant temperature is in the red zone. If no leaks are noticeable and the engine temperature does not increase, continue to drive to the nearest service station and have coolant added to the coolant system. If the engine temperature reaches the red zone, move vehicle to an area which is in a safe distance
from the roadway and turn off the engine.  The low engine coolant level warning should not be ignored and can cause long term damage to your engine.

Mercedes M Class W163 BRAKE warning light - the BRAKE symbol lamp will illuminate while the engine is running, this means:

• there is insufficient brake fluid in the reservoir (engine running and parking brake released), or
• the parking brake is set (engine running)
• the electronic brake proportioning (EBP) system is malfunctioning.

Mercedes M Class W163 brake pad wear warning light - this brake pad symbol lamp will illuminate on your dashboard if the brake pads are worn close to the limit and need to be changed. You many also need to change the brake pad wear sensor. All parts for this repair are cheaply priced so nothing too much to worry about.

Mercedes M Class W163 battery warning light - should the battery symbol lamp fail to go out after starting or during operation, this indicates a malfunction which must be repaired. It could be a faulty alternator or battery.

Mercedes M Class W163 ESP BAS warning light symbol lamp - the ESP enhances directional control and reduces driving wheel spin of the vehicle under various driving conditions. Over-/understeering of the vehicle is counteracted by applying brakes to the appropriate wheel to create a countervailing vehicle movement. Engine torque is also
limited. The ESP warning lamp, located in the speedometer dial, starts to flash when ESP is in operation. You can diagnose this system by using the Mercedes iCarsoft i980.

Mercedes M Class W163 passenger airbag off warning light - this symbol lamp will illuminate when the front passenger airbag has been de-activated. You can de-activate the front passenger airbag in this Mercedes to enable a baby or child seat to be installed. You can also install baby or child seats in the back.
m class w163 dash
If you need to find or clear a trouble code or dashboard warning light you will need to plug a diagnostic tool into the vehicle diagnostic port. Our partner store UK Pro diagnostics have produced guides for every diagnostic port so you should find the Mercedes diagnostic port location with ease.
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