Mercedes-Benz CLK500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Mercedes-Benz CLK500

Mercedes-Benz CLK500 Problems

Broken Stepper Motor Actuating Arm May Cause Clicking Noise From Behind Dash

A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. The actuating arm controls the direction of air flow in the climate control system. Disassembly of the center console will be required to access and change the broken arm with the updated, reinforced part.

Engine Performance Problems Due to Crankshaft Position Sensor Failure

The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance. Communicating these specific symptoms to your technician can save diagnostic time.

Mildew in Heater Box

The heating, ventilation and AC (HVAC) heater box is susceptible to mildew buildup. This can result in a musty odor from the HVAC system, most noticeable when the system is first turned on.

See More Problems (20)

Mercedes-Benz CLK500 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.

One or More Seat Belts May Not Lock as Designed

Some seat belt buckles may have a burr on a metal component of the locking mechanism. This could prevent the seat belt from locking under certain conditions. In the event of a crash, the seat occupant may not be properly restrained, increasing the risk of injury. Dealers will replace the affected seat belts. This recall is expected to begin on December 22, 2003. The Mercedes-Benz recall number is 2003 120006.

See More Recalls (2)

Mercedes-Benz CLK500 Reviews

I bought my CLK 500 off a lease. It came Cerified with a one-year warranty. I had a problem with the cup holder. The interior piece cracked when I put a certain cup in it. I can still use it but it doesn't grip cups with a smaller circumference very well. Not a show stopper. The tranny has a quirk. After running for long periods at 45mph or better, there is a tendency for it to get stuck bet...
Wow, lots of bad reviews. I bought my car from a wholesaler, it had changed hands many times-not usually a good investment, but I was inexpensive. I have not had any of the problems listed here even with 124,000 miles on the clock. Now it has 154,000 and I've never touched a thing and it works great. Starting to get a little rust near the sunroof,but thats the price of living near the beach...
Bought this car 4 1/2 years ago and it had 50K miles, since then I have put another 80K on it. I love the way it drives and it still looks almost knew. Just polished it and it really pops! However...it is uncanny how I have had the same issues that have shown up on this site. Stepper motor arm is broken (5 clicks on start up every time for a few minutes), haven't repaired it yet. Head rest...

See More Reviews (9)