MercedesG5502020Overview/mercedes/g550/2020/base/

2020 Mercedes G550

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 G550.

The 2020 Mercedes G550 represents the continued evolution of the marque's defining SUV, combining its distinct body and platform with its designated engine to establish the vehicle's core identity. Standout specs within this iteration underscore the G550's unique balance of heritage design and modern engineering, differentiating it from its predecessors. Positioned within the model's broader reliability history, the 2020 model year occupies a significant place, meaning its underlying mechanical composition carries distinct implications for long-term ownership expectations and overall dependability.

Model year20202016

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque110 ft-lbsOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 1761800800. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Tire size275/55R19 111VOEM · verified
Wheel / rim8.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter1761800800
Engine air filter1770940104
Spark plug0001590500
Battery0019828208
Front wiper blades4638200407
Thermostat1772008801
Cabin air filter4638301102

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

Torque lug nuts to 110 ft-lbs.

Chassis torques

Lug Nuts110 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.51 lbs
Oil GroupPAG
Oil Type46
Oil Capacity2.80 oz

Brakes

Brake Caliper Bolt to Carrier TorqueFront: NS; Rear: 21.0 ft-lbs
Brake Caliper Carrier to Hub Bolt TorqueRear: 86.0 ft-lbs
ABS Sensor TorqueFront: 6.0; Rear: 6.0
Solid Rotor Minimum Thickness for ReplacementFront: .511"
Vented Rotor Minimum Thickness for ReplacementFront: 1.063; Rear: .551

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
144.0 inch lbs., Step 2: 22.0 ft. lbs., Step 3: 90°44 in
Engine Flywheel Bolts — tightening sequence 1 stages
115.0 ft. lbs., Step 2: 33.0 ft. lbs., Step 3: 90°15 ft. lbs
Main Bearings — tightening sequence 1 stages
1M8 x 35 Bolts15 ft. lbs
Oil Pump to Cylinder BLock Bolts/Studs — tightening sequence 1 stages
144.0 inch lbs., Step 2: 15.044 in

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

3
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

20V090000Power Train:Driveline:Differential UnitReported 14/02/2020

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 4MATIC and G63 AMG 4MATIC vehicles. An electrical resistor within the differential locking module may malfunction, interrupting communication between… Remedy: MBUSA will notify owners, and dealers will inspect the differential locking modules and replace them as necessary, free of charge. The recall began August 21, 2020. Owners may…

20V247000Latches/Locks/LinkagesReported 01/05/2020

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019-2020 G550 and G63 vehicles. The embossed lock symbol for the child safety lock on the rear doors may indicate the incorrect lock status of the child safety lock. Remedy: MBUSA will notify owners, and dealers will install a label on the rear doors with the correct operating direction, free of charge. The recall began June 26, 2020. Owners may…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific G550. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2020 G550 have open recalls?

NHTSA lists 3 recall campaign(s) for this model year. Check your specific vehicle by VIN.