2008 Mercedes Benz Clk350 Problems & Reliability

Hey there, fellow car enthusiasts! If you’re anything like me, you probably have a soft spot for the sleek and stylish rides that Mercedes-Benz has blessed us with over the years. Today, we’re diving into the world of the 2008 Mercedes-Benz CLK350—a car that, at first glance, seems to have it all: elegance, performance, and that unmistakable star on the grille. But, as with any vehicle, it’s not all sunshine and rainbows. In this post, we’ll explore some of the common problems that owners have faced with the CLK350, as well as its overall reliability. So, buckle up and let’s take a closer look at what makes this car tick (and sometimes, what makes it tick a little too loudly). Now, don’t get me wrong—the 2008 CLK350 is a beauty, and it has its fair share of fans. However, like any car that’s been around the block a few times, it’s not without its quirks. From electrical gremlins to pesky engine issues, we’ll cover the good, the bad, and the “why is this happening to me?” moments that some owners have experienced. But fear not! We’ll also discuss the car’s overall reliability and whether these issues are deal-breakers or just minor bumps in the road. Whether you’re considering buying one or just curious about how it holds up over time, this post is for you. Let’s get started!
Body Components

Parts Assessed:

Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.

Reported Problems:

  • Computer Control Modules (Seats, Doors, CD Changer, Brake Lamp Switch) May Fail

Analysis:

The 2008 Mercedes Benz CLK350 has some issues with its computer control modules, which can affect the seats, doors, CD changer, and brake lamp switch. These problems might lead to inconvenience and unexpected repairs, impacting the overall reliability of the vehicle. If you’re considering this model, it’s worth keeping an eye on these components to avoid any surprises.

Parts Assessed

Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).

Reported Problems:

  • Internal Component Failure May Cause Rough Shifting

Analysis:

The 2008 Mercedes Benz CLK350 is known for its stylish design and smooth ride, but some owners have reported issues with internal component failure leading to rough shifting. This problem can affect the overall driving experience and may require attention to maintain the car’s performance. While it’s a solid vehicle in many aspects, potential buyers should be aware of this issue when considering its reliability.

Parts Assessed

Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.

Reported Problems:

  • Camshaft Adjuster Solenoid Failure

Analysis:

The 2008 Mercedes Benz CLK350 is known to have some issues with the camshaft adjuster solenoid, which can lead to performance problems and engine warning lights. While this isnt a universal problem for all CLK350s, its something to keep an eye on if youre considering buying one or already own one. Overall, the car is generally reliable, but like any vehicle, it has its quirks that might require attention.

Parts Assessed

CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.

Reported Problems:

  • Going Over Bumps in Convertibles May Cause Roll Bar to Deploy

Analysis:

The 2008 Mercedes Benz CLK350 has a quirky issue where going over bumps might cause the roll bar to deploy unexpectedly. While this isn’t a common problem, it can be a bit of a surprise if you’re not prepared for it. Overall, the CLK350 is generally reliable, but it’s worth keeping this potential hiccup in mind if you’re considering one.

Parts Assessed

Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.

Reported Problems:

  • Mildew in Heater Box

Analysis:

The 2008 Mercedes Benz CLK350 has had some issues with mildew developing in the heater box, which can lead to unpleasant odors and potential respiratory concerns. While this isn’t a universal problem for all owners, it’s something to keep an eye on, especially if you notice any musty smells. Overall, aside from this issue, the CLK350 is generally considered a reliable vehicle, but regular maintenance is key to keeping it in top shape.

Parts Assessed

Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.

Reported Problems:

  • Balance shaft gear failure

Analysis:

The 2008 Mercedes Benz CLK350 has been known to experience balance shaft gear failure, which can be a significant issue for owners. This problem can lead to engine performance issues and costly repairs, affecting the overall reliability of the vehicle. While the CLK350 is generally a well-regarded car, this particular issue is something potential buyers should be aware of.

Parts Assessed

Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.

Reported Problems:

  • Worn Sway Bar Link Joints Causing Knocking Over Bumps

Analysis:

The 2008 Mercedes Benz CLK350 is generally a reliable car, but some owners have reported issues with worn sway bar link joints, which can cause a knocking noise over bumps. While this problem can be annoying, it’s typically not a major mechanical issue and can be fixed with a relatively simple repair. Overall, as long as regular maintenance is performed, the CLK350 tends to hold up well.

Parts Assessed

Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.

Reported Problems:

  • Soft Braking Components May Wear After 20,000 Miles

Analysis:

The 2008 Mercedes Benz CLK350 is generally a reliable car, but one issue to keep an eye on is the soft braking components, which may start to wear after 20,000 miles. This could lead to more frequent maintenance or replacements than you might expect. Overall, while the car performs well, it’s worth budgeting for potential brake-related expenses as part of your ownership experience.

Parts Assessed

Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.

Reported Problems:

  • Engine Performance Problems Due to Crankshaft Position Sensor Failure

Analysis:

The 2008 Mercedes Benz CLK350 has been known to experience engine performance issues due to crankshaft position sensor failure. This problem can lead to symptoms like stalling, rough idling, and difficulty starting the engine. While it’s a notable issue, addressing it promptly with a sensor replacement can help maintain the car’s overall reliability.

Flagship-One-Engine-Computer-In-Stock
Onboard Electronics

Parts Assessed

Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.

Reported Problems:

  • Ball joints may wear and cause tire wear

Analysis:

The 2008 Mercedes Benz CLK350 is generally a reliable car, but one issue to keep an eye on is the ball joints. Over time, these can wear out and lead to uneven tire wear, which might affect your driving experience. Regular maintenance and inspections can help catch this problem early and keep your ride smooth.

Parts Assessed

Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.

Reported Problems:

  • Oil Seepage on Back of the Cylinder Heads

Analysis:

The 2008 Mercedes Benz CLK350 is known to have some issues with oil seepage on the back of the cylinder heads. This problem can lead to oil leaks, which might cause engine performance issues if not addressed promptly. While it’s a common issue for this model year, regular maintenance and timely repairs can help maintain the car’s overall reliability.

Parts Assessed

Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.

Reported Problems:

  • Cup Holders in Dash May Break

Analysis:

No major problem has been reported

Parts Assessed

Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).

Reported Problems:

  • Crankshaft Bearing Clearance/Balance shaft/knock on startup

Analysis:

The 2008 Mercedes Benz CLK350 has some issues with crankshaft bearing clearance and balance shaft, which can lead to a noticeable knock on startup. These problems can affect the overall reliability of the engine, potentially leading to more significant repairs if not addressed promptly. While the CLK350 is generally a solid vehicle, it’s important to keep an eye on these specific issues to maintain its performance.

Parts Assessed

Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.

Reported Problems:

  • Torque Thrust Bushings May Crack and Leak Oil

Analysis:

The 2008 Mercedes Benz CLK350 has a known issue with its torque thrust bushings, which may crack and leak oil over time. This problem can lead to further complications if not addressed, affecting the overall reliability of the vehicle. While it’s a concern to keep an eye on, regular maintenance can help mitigate the impact of this issue.

Conclusion

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