Mercedes-Benz CLK500 Repair and Maintenance

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

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Mercedes-Benz CLK500
$
164
to $
453
Mercedes-Benz CLK500
$
438
to $
842
Mercedes-Benz CLK500
$
145
to $
313
Mercedes-Benz CLK500
$
876
to $
1,815
Mercedes-Benz CLK500
$
173
to $
307

Mercedes-Benz CLK500 Problems

Clicking Noise From Behind Center of 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.

Oil Seepage on Back of the Cylinder Heads

The Mercedes Benz CLK500 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.

Check Engine Light and Engine Misfire

Failed spark plug wires and/or ignition coils can cause intermittent misfires (rough running); the Check Engine Light may also illuminate. Diagnoses of the ignition system will be necessary to determine which components are at fault.

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Mercedes-Benz CLK500 Questions

Alternator or the battery (2 answers)

Battery light came on visit workstation. wouldnt crank 2 hrs later cranked, died while driving and lights went out and slowly car eventually stop driving at normal speed to a stop. Only occurred yesterday for the first time.

Cost to repair cracked rear wheel (1 answer)

How much to repair a cracked rear wheel

Whats the estimated cost to replace (front) blower motor? (1 answer)

no heat coming from vents

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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.

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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...

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