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Most reported Mercedes-Benz problems

 

Verified for the Mercedes-Benz ML320 BLUETEC

The rear bulb warning message may be displayed even if the rear bulbs appear to be functioning correctly. This can be caused by a poor connection between the bulb housing and the socket. Our technicians recommend to "hard wire" the socket to the housing, eliminating the contacts as an issue.

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Verified for the Mercedes-Benz R320 BLUETEC

The HVAC blower motor may fail. This is commonly caused by water entry through the cabin air filter areas during heavy rain or snow. Failed blower motors should be replaced. Our technicians tell us there is no special fix for this issue at this time.

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Reported by Jim Baldovin for the Mercedes-Benz ML350

replaced the battery. (kept the system on line with charger during replacement) The car will start, but will shut off in 3 seconds. If I hit the panic button and then start the car it will run. Once the car reaches 3 gear the system shuts down again.

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Reported by Ruth Giaimis for the Mercedes-Benz E350

I would like to know if anybody has a problem with the engine in a 2006 Mercedes E350. Mileage is 39000. My warranty has just expired.
Driving along I heard a loud sound like something was in my engine scrambling it up. We pulled the plastic pan and found oil and pieces of metal.

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Reported by CheesyID for the Mercedes-Benz S500

The rubber seal between the front door and the exterior mirror housing deteriorates with age. This may cause water to enter the door. These seals are about $9 each at the dealer and I replaced them myself with instructions I found by Googling the problem online. You will need Torx head screwdrivers to remove the mirror from the door and replace the seal.

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Reported by Eurocar for the Mercedes-Benz E320

Intermitent failure of turn signals,emergency flasher and intermitent wiper mode.(on same curcuit)
My fix.. Disconnect battery. Remove and clean terminals and boss on and all three ground wire bundles located on the right front shock tower (brown wires and battery ground) with emery cloth
Clean and coat with dielectric grease and re-install and tighten firmly. Re-connect battery.

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Reported by JonathanB1 for the Mercedes-Benz SL500

Xenon bulb was replaced but stopped working immediately. Replace control module (ignitor) for $625 (Mercedes part) + one hour labor.

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Reported by sb09 for the Mercedes-Benz C240 4MATIC

Tons of these cars are having antifreeze leak into there transmission. There is NO dip sticks for either the engine or transmission which is rediculous. The only way you will know that you have glycol in your tranny is when you feel it slipping and by then the damage has been done and your talking tons of transmission repair costs. This car is an absolute lemon.

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Reported by missrosewood for the Mercedes-Benz ML320

trunk do not open

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Reported by Beachers33 for the Mercedes-Benz C230

automatic transmission failure. Metal in filings in pan

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Reported by Metapieman for the Mercedes-Benz E320

Steering control arms are a fairly expensive replacement to have done - here in AZ all the rubber components perish before their expected time, causing erosion and damage that can only be fixed by full replacement. Next time you take your car in for routine maintenance, have them check over the front end to make sure that you're still in good shape

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Reported by ghanvass for the Mercedes-Benz SLK32 AMG

There are 5 hydraulic actuators in the SLK that operate the hardtop (2 open & close the trunk, 2 operate the top, 1 operates the latch which locks the top when it is up). The actuator in the headliner is known to fail and leak hydraulic fluid. If you continue to operate the top, the hydraulic reservoir in the trunk will get too low and the top will not operate at all. The fluid will sit in the headliner eventually causing it to wrinkle (and...

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Reported by AFAULK for the Mercedes-Benz CLK500

It makes the whoe car haywire. Sparatic Enginle light, Abs warning, Esp warning, loss of speedometer sometimes, Brake Wear warning, Abs light. They can go away and come back. The best part is when you have these lights, the car will stay stuck in park, if restarting doesn't clear, you need a pointess pencil and the manua release is located through a little whole in your middle console (behind the little slide out drawer). What a headache!

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Reported by gavinbr for the Mercedes-Benz CLK350

Mercedes M272/M273 [V6 and V8] intake manifold fault, flapper controlling arm breaks causing car to hesitate and malfunction. Throws numerous codes and check engine light

Mercedes dealer fix, replace the complete intake manifold. very expensive repair.

DIY fix replace the control arm only and not the complete intake manifold, available from alternate sources[non-Mercedes].

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Reported by SFDave for the Mercedes-Benz CLK320

At certain low speeds the car felt like it was jerking, as if it were constantly downshifting. At other times I felt a rumbling, as though I were driving over a rough rode. It turned out to be a bad torque converter, and I had to have the transmission rebuilt. I also replaced the radiator (Valeo) which are known to fail and leak coolant into the transmission, causing the torque converter to fail. Valeo radiators were used in early 2004 mod...

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