For two years I chased engine performance problems. $$$ at two different dealerships. Replaced several expensive parts & modules. The whole problem is that Jiffy Lube has been overfilling the oil container. The manual has a warning on engine oil "Do not overfill". Some engines are very sensative the SLK will have problems. the Capacity is 5.9 Quart. How much should I have in there? 4.5 Qt?
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Drain engine oil and tranny oil from engine, replace with correct amount of engine oil. Check on getting a Chilton or Haynes repair guide for your vehicle. This will help you better understand your vehicle.
I'm an owner who had this problem on / off for a year. Several returns to dealership proved hopeless. Service shop devulged that '03 Avalanches had a overall electric problem that could not be detected. I legally forced dealership's hand...They replaced the entire wiring harness at no cost. No problem since. George
Radio code is specific for each and every car. It is specific like anti theft code. You can get it by providing your VIN# and registration details in authorized dealership.Nobody else can provide you. If anybody can provide you that , then there is no meaning of security for your car.
Hello. All of the warning lights are activated by a sensor. In this case since the engine oil level checks out fine the cause of the engine oil warning light is a bad sensor. You should be under full warranty. Have the dealership change the sensor. Joe
Do NOT take it to Jiffy Lube or any non-Mercedes place (independent shops are fine) for oil changes -- yes, the $150 oil changes are killer, but you need them. Your car is meant to go 14,000 miles give or take between oil changes. The oil (Mobil 1) and filters (Mann/Mahle/OE Genuine) that MB uses on your car are meant to last that long. The Fram/Purolator and Pennzoil/Quaker State/generic that Jiffy Lube puts in will last 3000 miles -- and even at that are not of sufficient quality to lubricate your engine properly.
Find a good independent Mercedes shop, it sounds like you're getting scammed by the dealer.
Gearbox -> Synthetic automatic transmission fluid
Differential -> Either 90W engine oil or 85W90 gear lubricant
Engine oil -> Not really sure of the weather in Uganda but I take it it stays pretty warm all year long, probably 20W-40 or 15W-40 synthetic
Spark plugs -> Well there could be a long debate over that... if you're having engine performance/missing problems i'd try replacing them right away but with any gasoline ignition system i try to replace the plugs about once a year... plug wires about 5 years... regardless of condition. In my case, i don't usually go for expensive "platinum" or whatever kind of plug that costs about 10 times as much and usually don't do much of a difference... I'd rather buy reasonably priced spark plugs and replace them regularly, and get a much better result and more money in my pockets... because even if you did buy the expensive ones you usually end up replacing them at about the same time you would have the cheaper ones, with the same effect