CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

2005 CLK350 - Criticalness of services based on time

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Old Feb 4, 2025 | 11:53 PM
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Exclamation 2005 CLK350 - Criticalness of services based on time

Hello Everyone,

I am looking at purchasing a 2005 CLK350 (A209) PRIVATELY (no warranty).

The car has only had two owners and done just over 35,000km since new.

The service book stamps are as follows:
  • Mercedes Benz Dealership - 4 March 2009 - 13103km (B Service)
  • Mercedes Benz Dealership - 5 April 2012 - 17576km (A Service)
  • Mercedes Benz Dealership - 9 October 2015 - 20344km (A Service)
  • Mercedes Benz Dealership - 8 December 2021 - 28772km (B Service)
  • Mercedes Benz Dealership - 23 November 2023 - 31232km (A Service)
  • Mercedes Benz Dealership - 20 January 2025 - 35081km (B Service)
My question is how critical is the time between services if done at MB? The KM are low, but you can see large gaps in the timeframes. Car has been garaged since new, and everything checks out mechanically I have been told (by pre-purchase inspectors). From 2021 to 2025 services have been kept regular and MB have indicated no issues, but its the large gaps in the first 10 years that worries me. I don't want to buy a car that I am going to be throwing thousands into because of this. If there are issues, would MB have picked this up between 2021 and January 2025?

Opinions on take it or walk away?

Cheers Gurus!
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Old Feb 5, 2025 | 03:41 AM
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2015 S63 AMG Coupe, 2003 CLK500, 1986 TVR 280i
Some things to look into.

Well, I’ve seen a few of these cars and there are some common issues that happen regardless of mileage over time. All rubber parts like breather hoses and perhaps even radiator hoses should be closely inspected. If they are hard and there are any signs of cracking they should be replaced. Same is true with drive belt, control bushings. Inspection of the engine mount is another one (less prone to failure than the M113 engine.)
brake fluid should be replaced if it’s older than 2 years.

finally, I would make sure that the transmission has been serviced periodically. I have seen cars that have sat a long time develop tranny issue far more than cars that have been driven regularly.

sorry if this sounds like a lot. But rubber parts deteriorate over time. Heat cycling does accelerate the deterioration. But, you wait long enough almost all rubber pieces deteriorate without even driving the car. True for tires as well.

These are solid cars. But need periodic maintenance.
Good luck

Last edited by pomchal; Feb 5, 2025 at 03:44 AM.
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