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Mercedes-Benz 600SL Repair and Maintenance - Get an online auto repair estimate for your Mercedes-Benz 600SL

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Mercedes-Benz 600SL Repair and Maintenance

Image for Mercedes Benz 1993 Mercedes Benz 600 SL

Mercedes-Benz 600SL Model Years

Mercedes-Benz 600SL Car Reviews (1)

1993 Mercedes-Benz 600SL, rsolnick, Slidell, LA, January 13, 2010 19:40

Great performance on the engine side however, suspension i.e. hyd system and flat ride on failure in addition to cost to repair leave room for improvement. Known wiring harness problems can be a nightmare if left unchecked. Mercedes should step up to the plate and issue recall for effected models but refuses that's a shame. The car is a gem when at a 100% and is a timeless work of art . Down side cost more to maintain than any car of it's class given it's aforementioned issues.

Mercedes-Benz 600SL Problems

Brakes
  • Due to the size and materials of the brakes on these vehicles, the brakes start to squeak around the 50 percent wear point. The brake rotor surfaces become uneven, causing a lip to form at the outer edge of the rotor. Because of this, the rotors are usually replaced when the pads are worn (pad life varies depending on driving style and terrain).
  • Brake fluid should be flushed every two years to prevent premature anti-lock brake system (ABS) failure.
Engine
  • Oil leaks develop from the head gasket and timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix.
  • Radiators break due to degradation of the plastic tanks and fittings.
  • Older vehicles should have the cooling system serviced even if the mileage is low. The hoses can look good on the outside, but the rubber can degrade and erode on the inside. If not carefully checked, the hoses can burst at any time.
  • Oil leaks from the oil level sensor are common.
Exhaust & Emissions
  • A rough running motor or lack of power can be caused by the distributor cap and rotor.
  • A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.
Suspension & Steering
  • Irregular and premature tire wear can be caused by the lower control arm bushings cracking and causing excessive movement at the control arm pivot point. Ball joints can also wear out prematurely, causing similar tire wear symptoms.
  • The tie rod ends, drag link, and idler arm in the linkage of the steering system can wear out.
  • Internal leaks can cause problems with the load leveling suspension in the rear; the vehicle may ride harshly (no give in the suspension, like you are riding on a brick).
  • Some models have tandem hydraulic pumps—one section for power steering and the other for suspension adjustment. These pumps are prone to leakage from either section.
Drive Train
  • A vibration felt through the center floor of the vehicle can be caused by driveshaft flex discs, which crack and shred, causing excessive driveshaft movement. Not repairing these can cause damage to the driveshaft center support bearing, or, in the worst case scenario, damage to the transmission or differential.
  • High mileage vehicles can leak from the transmission oil seals.
  • High mileage or older vehicles develop leaks at the differential seals and cover; the whole unit needs to be resealed to repair the leaks.
  • The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.
Electrical & Lights
  • The insulation degrades on the engine wiring harnesses because the insulating material falls off of the wires and leaves the conductors exposed. This can cause many problems depending on which wires are exposed and what they touch.
  • Throttle valves can suffer electrical failure.
Heating & Air Conditioning
  • Other than a defective motor, a bad switch or blower motor resistor assembly can cause inoperative heater blower motors.
  • Leaks at the AC compressor, hose manifold for the compressor, or the evaporator core can cause poor AC performance.
  • The climate control system can fail or perform erratically due to internal wear in the climate control unit buttons.
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