2003 Mercedes-Benz CLK320 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Mercedes-Benz CLK320

Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
Get a Repair Estimate For Your 2003 Mercedes-Benz CLK320
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more

2003 Mercedes-Benz CLK320 Problems

Transmission May Leak Fluid and Damage Control Module

The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid could migrate through the wiring harness and damage the transmission control module. If that happens a new harness and control module may be necessary to correct the problem.

Check Engine Light On Due to Failed Mass Air Flow Sensor

The mass air flow sensor can fail, resulting in poor fuel economy and Check Engine Light illumination.

Instrument Cluster Displays May Lose Pixels

The instrument cluster display may lose pixels and need replacement. However, if the back lighting bulbs for the odometer display in the center of the cluster burn out, they can be replaced.

See More Problems (25)

2003 Mercedes-Benz CLK320 Questions

Where is fuel pump located and there are many to choose from which one do I use (1 answer)

whine from front of engine (1 answer)

not tensioner or idler pulley

How do you bleed the air out of the coolent/water system (1 answer)

My car is running rough & now it is slowly raising the temp. I think when I checked the water level I got air in the system or maybe it needs a new temperature gauge? Perhaps water pump?

See More Questions (23)

2003 Mercedes-Benz CLK320 Recalls

Incorrect Software Calibration May Cause Fuel Pump to Remain Powered in a Collision

There is a faulty software calibration that affects several areas including shutting off the fuel supply in a collision. This could cause a fire hazard during an accident. Dealers will reprogram this software. The Mercedes-Benz recall number is 2008 070001. This recall began during August, 2008.

See More Recalls (1)