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Troubleshooting

Mercedes EZS EIS Ignition Switch Problem, Cause, Solution

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Mercedes-Benz owners may face a problem when the key no longer turns in the ignition. This issue is often caused by a defective key, a bad shifter module, a failed Electronic Ignition Switch (EIS), the EIS-EZS, or a bad steering lock module (ESL). This problem can affect various Mercedes-Benz models, …

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Mercedes Seat Belt Locked after Accident, Fix

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After an accident, your Mercedes-Benz seat belt locks up and will no longer retract. This is due to a blown pre-tensioner. To fix this problem, you either need to replace the seat belt that has the blown pre-tensioner, which can be expensive, or another less expensive solution is to repair …

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Mercedes turn signal not working

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In this article, we will discuss the most common Mercedes turn signal problems and how to diagnose them yourself. If your left or right turn signals (side mirror, headlight, or tail light) have stopped working, the problem may be caused by a faulty SAM module, combination switch, blown fuse, or …

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Mercedes Fuel Pressure Test

mercedes fuel pressure check

The fuel pump plays a vital role in Mercedes-Benz cars. The fuel pump is located in the fuel tank. It pumps the gasoline from the fuel tank to the engine. While fuel pump failure isn’t very common in MB cars, we have seen several Mercedes cars, such as the ML320, …

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Navigation Can Not Be Activated Problem

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Navigation Can Not Be Activated The error message “Navigation Can Not be Activated” usually means that the Navigation system cannot start up (boot up), possibly due to several reasons. Common problems include a wrong DVD, issues with the navigation processor A40/3n2, or faults in CAN bus (controller area network) communication. …

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Mercedes Engine Misfire Problem

Engine misfires are one of the most common problems in many Mercedes-Benz cars. Honestly, it is not because MB cars are weak in this area but because most owners forget that spark plugs wear out over time and must be replaced at the recommended intervals. As soon as an engine …

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Mercedes Key Fob Not Working

mercedes key fob

Is your Mercedes-Benz key fob not working? The first thing you need to do is change the keyless remote battery. We assume you have already done that part by now. Is your Mercedes key fob not working after a battery change? This article will help you troubleshoot problems where the …

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