R129 SL500 (1990-2002) Technical Articles
 

I'm happy to introduce Pelican's newest tech articles series for the R129. As a fellow MB enthusiast these articles have proven invaluable in helping to get my SL back in working order over the last few months.

If you have any questions/suggestions please don't hesitate to add a comment at the end of an article- we're always looking for ways to improve and truly value the feedback!

Click here to view all R129 tech articles

Basics:

Engine Air Filter Removal & Replacement

Cabin Air Filter Replacement

Engine Oil and Filter Change

Jacking and Supporting the R129

Lower Engine Splash Shield Removal

Battery Removal

Drive Belt Removal & Replacement

Drive Belt Tensioner Removal

ABS Brake Sensor Removal

Engine:

Air Pump Removal

Crankshaft Position Sensor Removal

Camshaft Position Sensor Removal

Alternator Removal

Distributor Cap Rotor and Wires Removal

Valve Cover Gasket Removal

Intake Manifold Gaskets Replacement

Ignition Coil Removal

Spark Plug Removal

Lower Oil Pan Removal

Engine Compartment Covers Removal

Starter Replacement

Brakes:

Brake Bleeding

Brake Caliper Removal

Brake Lines Replacement

Brake Master Cylinder Removal

Brake Pad and Rotor Checking

Brake Pad Replacement

Brake Rotor Replacement

Parking Brake Adjusting

Parking Brake Shoes Replacement

Cooling System:

Mechanical Cooling Fan Removal

Thermostat Removal

Coolant Pump Removal

Radiator and Hoses Removal

Coolant Expansion Tank Removal

Suspension:

Differential Fluid Change

Front Coil Springs Replacement

Front Shock Absorber Removal

Tie Rod End Removal

Power Steering Fluid Reservoir Replacement

Power Steering Pump Removal

Front Sway Bar and Bushings Removal

Front Wheel Bearings Removal

Rear Shock Absorber Replacement

Center Link Replacement

Idler Arm Bushing Replacement

Lower Control Arm Replacement

Steering Dampener Replacement

Rear Forward Lower Link Replacement

Rear Forward Upper Link Replacement

Rear Lower Control Arm Replacement

Rear Rearward Upper Link Replacement

Rear Sway Bar Links Replacement

Rear Toe Adjustment Link Replacement

Rear Coil Springs Replacement

Fuel:

Fuel Pumps Removal

Fuel Filter Removal

Fuel Rail with Injectors Replacement

Electrical:

Steering Column Switches Removal

Windshield Wiper Motor Replacement

Transmission:

Transmission Fluid and Filter Change

Body & Interior:

Tail Light Assembly Replacement

Right Side Lower Dash Panel Removal

Steering Wheel Removal

Power Window Removal

Power Seat Removal

Headlight Switch Removal

Door Panel Removal

Side View Mirror Removal

Washer Fluid Reservoir Removal

Instrument Cluster Bulb Removal

no convertible top hydraulic pump rebuild article?? =P

Judging from the hydraulic fluid stain on my left knee I'd say that article might already be in the works! :/

Many tech articles are missing or don't work properly.

Specifics
 

Welcome to the forum sutliffe. It would help the moderators and contributors fix this situation if you would identify and list the specific article(s) that need to be corrected, or reinstalled. Thanks for pointing out the issue.

Whoops! We've been moving some of our tech articles around recently and I didn't update the links on my post above- they should all be working properly now. Sorry about that!

-Chris

POWER STEERING OIL ADDITION PORT?
 

THIS IS A VERY GOOD COVERAGE OF THE SL, BUT NOWHERE DOES IT SHOW THE PSTG
INPUT PORT, WHERE DEXTRON2 IS ADDED TO KEEP UP THE FLUID LEVEL. ON MOST CARS,
THIS IS AN OBVIOUS LOCATION NEAR THE POWER STEERING PUMP, BUT NOT ON THE SL

PLEASE ADD A DESCRIPTION OF THIS MAINTENANCE LOCATION TO TECH ARTICLES (I HAVE A 95 500SL)

R129 Power Seat Moves On It's Own:
 

Happily retired, and living in high altitude obscurity, and playing music full time, I occasionally help a few SoCal shops with very strange technical problems, mostly on Ferrari and Lamborghini...although I do not officially advertise these services.

Recently, I received a referral regarding a SoCal MBZ Independent for assistance on a 1995 SL600 that had been worked on by several area shops without success.

I decided to post the data from this repair in hopes it may help someone.

VEHICLE: 1995 SL600

SYMPTOMOLOGY: DRIVER'S POWER SEAT MOVES FORWARD/TILTS FORWARD ON ITS OWN WHEN IGNITION IS TURNED ON AND DOOR IS CLOSED AND DOES NOT STOP.

BACKGROUND: (5) DIFFERENT SOCAL MBZ SHOPS HAVE ATTEMPTED REPAIRS UNSUCCESSFULLY - DISCONNECTING POWER SEAT SWITCH HAS NO EFFECT.

REPAIR HISTORY: POWER SEAT SWITCH AND POWER SEAT CONTROL UNIT RECENTLY REPLACED WITH BRAND NEW MBZ COMPONENTS - NO CHANGE.

TECHNICIAN'S FINDINGS: REMOVE SEAT FOR TESTING. CONDUCT PIN-BY-PIN TESTING. DISCOVERED FAILED SEAT BACKREST RELAY MODULE (DRIVER'S SIDE) PART # 129 821 00 47.

ACTION TAKEN: REPLACED MODULE # A 129 821 00 47. SEAT NOW FUNCTIONS NORMALLY. ALL THREE MEMORY PRESETS CAN NOW BE PROGRAMMED.

TOTAL TIME CHARGED: 5 Hours

Is it possible to have an article that addresses how to access the Climate
Control Console diagnostic codes and what they mean. I have a 1998 SL 500. I believe that it is the same console used in many C-series and possibly
others. Thanks very much.

Ignition Switch Wiring R129 1995
 

Just bought a stolen recovered 1995 SL500. The ignition switch has been pulled out and I need to know where the pictured loose wires go on a new switch. Does anyone have any information on this?

I second this. This would have wide ranging effect as this climate control system was used in C and E class as well, for several years.


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i need a diagnostic scanner for a 94sl600 any suggestions. (38 pin)