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How to change front wheel bearing on MERCEDES-BENZ SL (R107) – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ SL (R107) 300 SL (107.041), MERCEDES-BENZ SL (R107) 300 SL (107.041), MERCEDES-BENZ SL (R107) 420 SL (107.047), MERCEDES-BENZ SL (R107) 420 SL (107.047), MERCEDES-BENZ SL (R107) 500 SL (107.046), MERCEDES-BENZ SL (R107) 500 SL (107.046), MERCEDES-BENZ SL (R107) 560 SL (107.048) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ SL (R107) 300 SL (107.041), MERCEDES-BENZ SL (R107) 300 SL (107.041), MERCEDES-BENZ SL (R107) 420 SL (107.047), MERCEDES-BENZ SL (R107) 420 SL (107.047), MERCEDES-BENZ SL (R107) 500 SL (107.046), MERCEDES-BENZ SL (R107) 500 SL (107.046), MERCEDES-BENZ SL (R107) 560 SL (107.048) … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Wheel Bearing for SL (R107) and other MERCEDES-BENZ models
Wheel bearing kit
Alternative products

Wire brush
Nylon cleaning brush
WD-40 spray
All-purpose cleaning spray
Bearing grease
Ceramic grease
Torque wrench
Combination spanner #19
Combination spanner #22
Drive socket # 19
HEX bit no.H5
Wheel impact socket #17
Ratchet wrench
Tap wrench
Bush and bearing driver set
Universal puller
Hammer
Crow bar
Wheel chock
Replacement: wheel bearing – MERCEDES-BENZ SL (R107). Professionals recommend:
- Do not re-use the bearing assembly of your MERCEDES-BENZ SL (R107) car.
- The wheel hub bearing replacement procedure is identical for both wheels on the same axle.
- All work should be done with the engine stopped.
Replacement: wheel bearing – MERCEDES-BENZ SL (R107). Recommended sequence of steps:
- Step 1Open the bonnet.Step 2Unscrew the brake fluid reservoir cap.
- Step 3Secure the wheels with chocks.Step 4Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
- Step 5Raise the car.Replacement: wheel bearing – MERCEDES-BENZ SL (R107). AUTODOC recommends:If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.Step 6Unscrew the wheel bolts.AUTODOC recommends:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 7Remove the wheel.
- Step 8Spread the brake pads. Use a crowbar.
- Step 9Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
- Step 10Unscrew the brake caliper bracket fasteners. Use a combination spanner #19.
- Step 11Remove the fastening bolts.
- Step 12Remove the brake caliper together with its bracket.Replacement: wheel bearing – MERCEDES-BENZ SL (R107). AUTODOC experts recommend:Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
- Step 13Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
- Step 14Unscrew the brake disc fasteners. Use HEX No.H5. Use a ratchet wrench.
- Step 15Remove the fastening bolt.
- Step 16Remove the brake disc.
- Step 17Remove the hub bearing cap. Use a crowbar. Use a hammer.
- Step 18Remove the contact spring.
- Step 19Loosen the wheel hub fastening nut screw. Use HEX No.H5. Use a ratchet wrench.
- Step 20Unscrew the hub nut.
- Step 21Remove the wheel hub together with the bearing.
- Step 22Clean the wheel stub axle. Use all-purpose cleaning spray.
- Step 23Clean the ABS sensor. Use a nylon cleaning brush. Use all-purpose cleaning spray.
- Step 24Remove elements of the bearings from the wheel hub. Use a bush and bearing driver set.
- Step 25Dismantle the outer bearing races. Use a bush and bearing driver set. Use a universal puller.
- Step 26Clean the mounting seats of the wheel bearings. Use all-purpose cleaning spray.
- Step 27Install the outer rings of the new wheel bearings. Use a bush and bearing driver set.
- Step 28Treat the wheel bearings. Use bearing grease.
- Step 29Reinstall the elements of the bearings in the wheel hub.
- Step 30Install the wheel bearing oil seal. Use a bush and bearing driver set.
- Step 31Reinstall the hub together with the new bearings.
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