Mercedes-Benz 560SEC Repair and Maintenance - Get an online auto repair estimate for your Mercedes-Benz 560SEC
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Mercedes-Benz 560SEC Repair and Maintenance
Mercedes-Benz 560SEC Model Years
Mercedes-Benz 560SEC Questions and Answers
jymestru, 1990 Mercedes-Benz 560SEC, Greenwich, CT
what type of oil and power stearing fluid do i need for 1989 560 sec.
thanks jymes
Walstream, 1991 Mercedes-Benz 560SEC, Oroville, CA
Anyone ever have a problem with removing the key from the ignition switch. The car is in "Park" the switch operates normally but I can't remove the key
560 sec when i start it up it runs at a very high speed and the abs light comes on at the same time when it decides to idle down the abs light will go off too i dont understand what the brake syste...
Anonymous, 1990 Mercedes-Benz 560SEC, Comstock Park, MI
No blower operation at any speed, blower motor is good. I need to locate the blower control module to test it and its wiring. Where is it located?
Mercedes-Benz 560SEC 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 |
- The timing chain and timing chain guides wear; they should be replaced every 100,000 miles.
- The rubber boot connecting the throttle body to the intake
manifold tends to crack. This can cause hard starting, rough or erratic
idle, and engine performance problems.
- If the idle air compensator gets stuck in one position, the engine idle speed (rpm) can seem too high or too low.
|
| Exhaust & Emissions |
|
| Suspension & Steering |
- The tie rod ends, drag link, and idler arm in the linkage of the steering system can wear out.
- There is a steering dampening shock that will leak fluid when it goes bad.
- Power steering hoses and components can develop leaks.
- On high mileage vehicles, rear spring wear may cause the rear end to sag.
- Internal leaks and a stuck level control valve can cause problems with the load leveling suspension in the rear; the vehicle may ride harshly.
|
| 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 fuel pump and fuel pump relay can fail, causing the car to crank (when starting), but not start.
- The instrument cluster, along with the turn signal and wiper combination switch, can fail.
|
| Heating & Air Conditioning |
- Other than a defective motor, a bad switch or blower motor resistor assembly can cause inoperative heater blower motors.
- The climate control system can fail or perform erratically due to internal wear in the climate control unit buttons.
- The AC coolant hoses may leak.
- The expansion valve can get stuck and is difficult to replace.
- Due to the vacuum actuators going bad, temperature blend doors in the HVAC system may stop working.
|
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