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2006 Mercedes-Benz S350 Problems

Find the most common issues based on 2006 Mercedes-Benz S350 owner complaints.

Most Common 2006 Mercedes-Benz S350 Problems

On vehicles with airmatic suspension, the airmatic pump relay can stick, causing a dead battery, because the pump continues to operate when it should be shut off. Eventually, the pump will fail; th...
As brake fluid becomes dirty over time, it can cause a failure of the anti-lock brake system (ABS) modulator assembly. Our technicians recommend a complete brake system flush every two years to hel...
A vibration felt through the center floor of the vehicle can be caused by cracked and/or shredded driveshaft flex discs, resulting in excessive driveshaft movement. If not repaired, damage to the...
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2 Known 2006 Mercedes-Benz S350 Brakes Problems

As brake fluid becomes dirty over time, it can cause a failure of the anti-lock brake system (ABS) modulator assembly. Our technicians recommend a complete brake system flush every two years to hel...
The brakes may begin to squeak at about the 50 percent wear point. This is due to the size and material used for the brake pads and rotors. The brake rotor surfaces become uneven, causing a lip t...

4 Known 2006 Mercedes-Benz S350 Drive Train Problems

A vibration felt through the center floor of the vehicle can be caused by cracked and/or shredded driveshaft flex discs, resulting in excessive driveshaft movement. If not repaired, damage to the...
Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.
The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.

4 Known 2006 Mercedes-Benz S350 Electrical & Lights Problems

A door control module/actuator may fail. Our technicians recommend finding an expert to repair them. Taking the door trim panels off requires expert knowledge because they can break and the piece...
CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
Analog Tele Aid units are no longer supported and must be updated to digital, preferably at a dealership or a well-equipped independent shop. The update and all related factors should be completed ...

8 Known 2006 Mercedes-Benz S350 Engine Problems

The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.
An engine oil leak may develop from the oil level sensor. Replacement of the leaking sensor will commonly correct this concern.
The Mercedes Benz S350 may have engine oil seeping or leaking from the back of the cylinder heads. This is commonly misdiagnosed as leaking valve covers. On the back of the cylinder heads there ar...

0 Known 2006 Mercedes-Benz S350 Exhaust & Emissions Problems

2 Known 2006 Mercedes-Benz S350 Heating & Air Conditioning Problems

The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the a...
Due to wear of mechanical parts in the control head, the buttons on temperature control assemblies work erratically or not at all. These control heads need to be replaced for this concern or when...

0 Known 2006 Mercedes-Benz S350 Maintenance Problems

3 Known 2006 Mercedes-Benz S350 Miscellaneous Problems

The door for the vanity mirror (or the frame for the door) can break; due to a redesign, the mirror "cassette" will need replacement.
Cup holders break easily, especially if sticky liquids are spilled into the cup holder mechanism.
The center console armrest can break. Replacement is commonly the recommended repair.

3 Known 2006 Mercedes-Benz S350 Suspension & Steering Problems

On vehicles with airmatic suspension, the airmatic pump relay can stick, causing a dead battery, because the pump continues to operate when it should be shut off. Eventually, the pump will fail; th...
The active body control system can leak fluid from numerous areas, including the tandem pump, hydraulic lines, struts, and/or seals. If it is not repaired, the vehicle ride height could drop too lo...
Front thrust arm and control arm bushings can crack and sometimes tear completely. If this is not repaired quickly, damage to the front subframe unit will occur, which is very expensive to repair...

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Known 2006 Mercedes-Benz S350 Problems & Complaints

Vehicles equipped with a 7-speed automatic transmission may develop a rough shifting condition, most commonly going up from first to second gear and going down from third to second or second to f...
The Mercedes Benz S350 may have engine oil seeping or leaking from the back of the cylinder heads. This is commonly misdiagnosed as leaking valve covers. On the back of the cylinder heads there ar...
When starting the engine after sitting for several hours, a knocking sound may be heard for several seconds. This is a common issue with the 2005-2010 Mercedes Benz S350. There are three common pro...
The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the a...
The center console armrest can break. Replacement is commonly the recommended repair.
On vehicles with airmatic suspension, the airmatic pump relay can stick, causing a dead battery, because the pump continues to operate when it should be shut off. Eventually, the pump will fail; th...
Analog Tele Aid units are no longer supported and must be updated to digital, preferably at a dealership or a well-equipped independent shop. The update and all related factors should be completed ...
An engine oil leak may develop from the oil level sensor. Replacement of the leaking sensor will commonly correct this concern.
A door control module/actuator may fail. Our technicians recommend finding an expert to repair them. Taking the door trim panels off requires expert knowledge because they can break and the piece...
The door for the vanity mirror (or the frame for the door) can break; due to a redesign, the mirror "cassette" will need replacement.
Due to wear of mechanical parts in the control head, the buttons on temperature control assemblies work erratically or not at all. These control heads need to be replaced for this concern or when...
Get a Repair Estimate
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RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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