Mercedes-Benz Parts Catalog Mercedes-Benz Accessories Catalog Mercedes-Benz Technical Articles Mercedes-Benz Tech Forums
 
Follow Pelican Parts on Facebook Follow Pelican Parts on Twitter Follow Pelican Parts on Instagram Follow Pelican Parts on YouTube Follow Pelican Parts on Pinterest Follow Pelican Parts on Tumblr
  Search our site:    
View Recent Cars  |   Cart  | Project List | Order Status | Help    
 >  >
Engine Air Filter Replacement
 
Bookmark and Share

Pelican Technical Article:

Engine Air Filter Replacement

Steve Vernon

Time:

30 minutes30 mins

Tab:

$20 to $60

Talent:

*

Tools:

T25 Torx driver, rags

Applicable Models:

Mercedes-Benz C350 (2008-15)
Mercedes-Benz GLK350 (2010-15)

Parts Required:

New air filters

Hot Tip:

Wipe down the inside of the airbox

Performance Gain:

If the old filter is really dirty, you'll pick up some power

Complementary Modification:

Change cabin air filter

Every 10,000 miles or so, you should change the two engine air filters in your Mercedes-Benz C350. The air filters protect the air intake system, valves, pistons, cylinder walls, and engine oil from dust and debris that can be sucked in under normal operation. Replacement is a snap and should take only 30 minutes or so.

There are two engine covers on the C350 along with two air ducts that you will need to remove to change the air filters. Removal is simple and easy. You only need a T25 Torx

With the hood open you can see the two engine covers: the front one (red arrow) that comes off for just about any job, and the rear one (yellow arrow) that also contains the air filters.
Figure 1

With the hood open you can see the two engine covers: the front one (red arrow) that comes off for just about any job, and the rear one (yellow arrow) that also contains the air filters. There are also two air ducts that you will need to remove (green arrows).

To remove the front cover simply grasp it at the front and lift it straight up (red arrow).
Figure 2

To remove the front cover simply grasp it at the front and lift it straight up (red arrow).

Figure 3

There are two plastic knobs on the front of the cover (red arrow)

There are two metal clips on the rear (red arrow).
Figure 4

There are two metal clips on the rear (red arrow). These clips can weaken over time and can easily be replaced just by pulling them off and pushing new ones on.

This photo illustrates where the front plastic knobs sit in the engine (red arrows) and where the rear clips attach to the rear cover (yellow arrows).
Figure 5

This photo illustrates where the front plastic knobs sit in the engine (red arrows) and where the rear clips attach to the rear cover (yellow arrows). The center rear clip is made of plastic. You can remove the two air ducts with the front cover in place if you need to (green arrows).

To remove the ducts compress the plastic duct towards the front of the car (red arrow) and slide it off the rear engine cover.
Figure 6

To remove the ducts compress the plastic duct towards the front of the car (red arrow) and slide it off the rear engine cover. These are just friction fits and do not have fasteners.

With the duct off the rear simply pull it off the plastic piece on the front (red arrow) and remove it from the engine.
Figure 7

With the duct off the rear simply pull it off the plastic piece on the front (red arrow) and remove it from the engine.

To remove the rear cover/air filter housing grasp it in the center and pull it straight up (red arrow).
Figure 8

To remove the rear cover/air filter housing grasp it in the center and pull it straight up (red arrow). You do not need to remove the vacuum line (yellow arrow) on the left side, as the cover will come off with it in place.

Separate the air hose on the front right side of the cover (red arrow) before completely removing the cover.
Figure 9

Separate the air hose on the front right side of the cover (red arrow) before completely removing the cover.

With the cover removed and turned upside down you can see the four clips (red arrows) that hold the cover/air filters in place.
Figure 10

With the cover removed and turned upside down you can see the four clips (red arrows) that hold the cover/air filters in place.

Place the cover upside down on your work bench with a couple of rags under it to protect it from getting scratched.
Figure 11

Place the cover upside down on your work bench with a couple of rags under it to protect it from getting scratched. The two air filters are located one on each side (red arrows).

Use a T25 Torx and remove the four Torx screws on each air filter housing (red arrows).
Figure 12

Use a T25 Torx and remove the four Torx screws on each air filter housing (red arrows). The screws will not unscrew all the way out from the housing lid.

Remove the old filters and be sure to clean out the air boxes.
Figure 13

Remove the old filters and be sure to clean out the air boxes. You do not want to put a clean air filter in a dirty air box. Installation is the reverse of removal


Bookmark and Share

  Search our site:    

View Cart & CheckOut | Project List | Order Status |  Help    

 

[Home] [Customer Service] [Shopping Cart] [Project/Wish List]
  [Privacy Statement]  [Contact Us] [About Us] [Shipping] [Careers]

Copyright © Pelican Parts Inc. -    DMCA Registered Agent Contact Page

Page last updated: Fri 12/9/2016 02:53:26 AM