Car Problems + Solutions

Wouldn't it be great to document and organize all car problems and solutions in one place? Now you can. Take a few minutes to File a Solution and tag it with the applicable vehicles to make it easy for car owners to find it.

Steering Wheel Shaking Problem

Steering wheel shakes when driving. This problem can be caused by various components the most common being warped rotors explained below. A shaking steering wheel can be an unnerving experience for a driver. Next, to the accelerator and brake, the steering wheel is how the driver controls the vehicle's direction. Feeling the steering wheel shake or vibrate while the car is in motion or while braking can be indicative of a larger problem that should be investigated as soon as possible.

Mercedes P0544 P0546 Code - Exhaust Temperature Sensor Solution

Mercedes-Benz vehicles such as GL, ML, R, Sprinter equipped with diesel engines (including Bluetec) may trigger the check engine light wich fault codes such as P0544, P0546, P2201 or P2031 pointing to a bad Exhaust Gas Temperature Sensor Circuit. If data is read from the sensor you may get an error sensor out of range and a code for B19, B19/9, B19/11 also known as TWC temperature sensor, error code 249 f . Even if you clear the code, it usually returns after a few days. In a few cases, the vehicle may go into limp mode when this fault code is triggered. 

Failed Mercedes-Benz Central Gateway Control Module

Mercedes-Benz Central Gateway Module (ZGS also referred to as CGW) may fail and cause various warning lights or systems to stop working. Mercedes Central Gateway module is the hub that allows communication between various modules. Mercedes ZGW Gateway control module stores data for Mercedes ASSIST  or ASSYST  plus.

Mercedes 722.9 Transmission Seal O Ring Leak

Mercedes-Benz cars equipped with 7-Speed automatic transmission may leak transmission fluid from the O rings fittings. Leaks typically develop where the transmission lines connect to the transmission cooler/radiator. The oil leak can develop to the point that all transmission fluid is lost. The first symptoms are transmission fluid leak, Mercedes-Benz goes into limp mode, transmission gets stuck in one gear.

Car has a thump clunk sound when letting off gas pedal

Submitted by EuroTech on Friday Mar 23, 2018

Some Mercedes-Benz cars with 4Matic such as ML, GL, R, S, E Class (or any car with 4wd) may develop a clunk, thump when you let go of the gas pedal. This can happen at slow and high speeds and even under normal acceleration.

At first, you may think that the issue is a bad engine mount. These symptoms are commonly experienced when the engine mount fails but engine mounts tend to show these symptoms under hard acceleration only. 

BMW alarm keeps going off randomly

Submitted by jeffm3 on Tuesday Feb 13, 2018

BMW alarm may go off randomly for no apparent reason. The alarm will often get triggered when the car is parked and there is no one in or by the car. This problem can affect BMW 1, 3, 5, 7, X1, X3, X5 and other series. If your BMW alarm keeps going off the problem is often caused by a stuck or defective BMW hood switch but it may also be caused by any of the following.