Car Pump Air Compressor Suitable For M-Class W164 X-Class X164 A1643201204 A1643200304 A1643200504

Brand New Air compressor relay is included, old relay needs to be replaced prior installation new compressor. 

Overview
Car fitment and part number:
OEM No. Ref.
A1643200304, A1643200504, A1643200904, A1643201204, A 1643200304, A 1643200504, A 1643200904, A 1643201204 -
Car Fitment Model Year 
Mercedes-Benz 2005-2011 W164 ML / X164 GL 

Products Description:
This W164 / X164 Airmatic pump can be installed in the following vehicles:
Mercedes Benz M-Class W164 ML - 2005 ~ 2012, GL-Class X164 - 2006 ~ 2012

OE Numbers:
A1643200304 1643200304
A1643200504 1643200504
A1643200904 1643200904
A1643201204  1643201204

Specification:
Material: Steel + Aluminum+ Plastic
Product name: W164 X164 Airmatic Compressor Pump

When replacing the air compressor please keep in mind, that usually compressor failed when air system has leak. Too many turns on will cause compressor relay to stick together causing compressor to overrun. When installing new compressor included Brand New relay must be installed and air system checked for leaks.
Using vehicle with any present air leak will overheat the compressor causing it to fail.

Warranty Information:
1 Year/ Unlimited Kms

MERCEDES-BENZ GL-CLASS (X164) (06-12):

MERCEDES-BENZ M-CLASS (W164) (05-12):

Installation Instructions
Please read these installation instructions carefully before installing the compressor:

1. The main reason for compressor failure is air leakage from the air suspension system, causing the compressor to overwork and burn out.

Common causes of system leaks are:

- Air spring aging and leaking.

- Worn seals, O-rings and worn air hoses.

- Valve block leaking.

2. Compressor running too long and too frequently, too many turns on will cause the relay contacts to stick together. The result is that the relay no longer works, and the compressor continues to run uncontrollably until it burns out. The included relay must be replaced before the compressor is installed, even though it still seems to work.

3. The air intake hose filter element has been used for too long and has no effect of filtering and drying air. As a result, the compressor sucks in moisture, and the rust burns the pump. In this case, it is necessary to replace the intake hose and replace the air filter.

4. Otherwise, the compressor will be damaged very quickly, which will void the warranty.

In conclusion, all causes of compressor damage must be completely eliminated before installing a new compressor. And replace the relay, air filter if applicable, or the compressor warranty will be voided!

Tips:

1. Must be disassembled and installed in a professional service provider or repair shop.

2. Be sure to check the system for leaks after servicing, the easiest way is to stop the vehicle and record the height from the ground to the lower edge of the fender. Measure these heights again the next day and compare them to the previous heights. After the vehicle has been parked overnight, the compressor typically does not need to run for more than 20 to 30 seconds before the system starts.

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