2006 Mercedes-Benz CL500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 Mercedes-Benz CL500

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2006 Mercedes-Benz CL500 Problems

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz CL500 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 are three, in total, plastic expansion plugs that plug access ports to the camshafts. These plugs are well known for seeping oil, and leaking if left unattended. The oil will run down the back of the engine and eventually make it to the ground. 

Replacement of these three plastic plugs is extremely simple, and should be done as regular maintenance. The recommended interval for replacement is every 60,000 miles.

Active Body Control System Can Leak Hydraulic Fluid

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 low and cause damage to the undercarriage.

Cracked Driveshaft Flex Discs May Cause Driveshaft Movement/Vibration

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 driveshaft center support bearing, transmission, or differential can occur.

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2006 Mercedes-Benz CL500 Questions

What is a reasonable cost to replace the "ABC" Pump? OEM or Rebuilt? Parts/Labor (1 answer)

Car has 79,000 miles. Is this normal?Seal is leaking Hydralic Fluid. Should it be driven? Hydralic Fluid level has been checked and it is within high/low range on dipstick. Car is parked inside garage until answers are received. Thanks.

steering (1 answer)

I have a noice that sounds like a a toy car is winding up what could it be?

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